Aluminium ores and concentrates

1. Scope and Applicability

This PCR covers aluminium-bearing ores and physically beneficiated concentrates at a declared mine or processing gate, with bauxite as the representative material. Include actual development, topsoil/overburden removal, extraction, handling, crushing, sizing and optional washing/dewatering through that gate. Distinguish integrated mining from standalone processing receiving burden-bearing ore. Not all bauxite is washed. Other aluminium minerals require their actual mineralogy, extraction and beneficiation evidence and distinct flow identities; they cannot inherit bauxite washing quantities. Exclude Bayer digestion/alumina refining, aluminium smelting, calcined refractory products, finished abrasives and downstream customer processing. iai-bauxite-mining-2026, ifc-mining-2007

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.ores-and-minerals-electricity-gas-and-water.metal-ores.aluminium-ores-and-concentrates
classification_refs	CPC 3.0:14230
covered_products	Aluminium-bearing raw ores and physically upgraded ore/concentrate; one mineral, grade and moisture state per dataset
excluded_products	Alumina chemicals/refining; aluminium metal; calcined refractory bauxite; finished abrasives; customer conversion
representative_product	Washed bauxite representative product
production_route	Mine development and rehabilitation; Ore extraction and haulage; Crushing and sizing; Washing and dewatering; Stockpiling, loading and site controls
market_state	One actual ore grade and measured as-received moisture at the mine/processing loading gate

3. Reference Flow

Field	Value
What	Supply 1 kg of specified aluminium ore or physical concentrate; no equivalence to 1 kg aluminium or alumina
How much	1 kg
How well	site/year; mineralogy; mining method; integrated/standalone start; raw/crushed/washed state; particle size; as-received moisture; dry-basis total and available alumina and reactive silica where relevant; gate; yield and rejects; water basin; waste fate; allocation; development and closure basis; representative UUID applies only to washed bauxite, with a distinct identity required for unwashed or other aluminium minerals
How long or cycle	One gate supply within a declared production period
reference_flow_link	final_product

Field	Value
Reference amount	1
Reference product flow	Washed Bauxite bd0c6203-d2b3-4e7f-8602-027aa93e87df
Reference flow property	Mass 93a60a56-a3c8-11da-a746-0800200b9a66
Reference unit group	Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66
Reference unit	kg
Required qualifiers	site/year; mineralogy; mining method; integrated/standalone start; raw/crushed/washed state; particle size; as-received moisture; dry-basis total and available alumina and reactive silica where relevant; gate; yield and rejects; water basin; waste fate; allocation; development and closure basis; representative UUID applies only to washed bauxite, with a distinct identity required for unwashed or other aluminium minerals

Declare all qualifiers in dataset metadata or reference-flow comments. The representative identity is usable only for its confirmed product state, geography and property; resolve a distinct flow for incompatible variants. It does not impose a default product composition.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_basis	final_product	Mass	kg	D is the positive accepted net gate-output total in kg. Exclude packaging and cancelled internal transfers. cp_output records D; every card uses per 1 kg reference flow.
conversion	utility and material rows	Declared row property	kg; m3; MJ	Retain raw readings. Electricity: 1 kWh = 3.6 MJ. Mass/volume conversion requires measured density, temperature and applicable pressure; retain water content and active chemical fraction.
category_balance	production	Mass	kg	D is positive accepted net as-received product mass in kg at the selected gate, excluding packaging and rejects. Record each stream moisture w and dry-solids mass m_dry = m_wet × (1 − w); assay grades on their stated basis. Contained-alumina mass is dry-solids mass times the matching dry-basis Al2O3 fraction, not the reference denominator. Reconcile dry ore, product, waste rock, wash fines, losses, stock changes and transferred water. Separate circulated wash water, new intake and measured return; no universal recovery, grade or density.

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Ore in the geological deposit for integrated mining, or purchased ore for standalone physical processing
starting_condition_role	Resource or supplied feed; declare which
product_classification_scope	Aluminium-bearing raw ores and physically upgraded ore/concentrate; one mineral, grade and moisture state per dataset
recursive_input_rule	Purchased same-category material carries a distinct supplier dataset; internal recycling is a balance observation, not a new external input or credit.
upstream_dataset_requirement	Link feed, electricity, fuels, chemicals, infrastructure and waste-management burdens; disclose any missing coverage.
disclosure	site/year; mineralogy; mining method; integrated/standalone start; raw/crushed/washed state; particle size; as-received moisture; dry-basis total and available alumina and reactive silica where relevant; gate; yield and rejects; water basin; waste fate; allocation; development and closure basis; representative UUID applies only to washed bauxite, with a distinct identity required for unwashed or other aluminium minerals

rule_id	Applies to	Rule	source_ids
boundary_operations	site	This PCR covers aluminium-bearing ores and physically beneficiated concentrates at a declared mine or processing gate, with bauxite as the representative material. Include actual development, topsoil/overburden removal, extraction, handling, crushing, sizing and optional washing/dewatering through that gate. Distinguish integrated mining from standalone processing receiving burden-bearing ore. Not all bauxite is washed. Other aluminium minerals require their actual mineralogy, extraction and beneficiation evidence and distinct flow identities; they cannot inherit bauxite washing quantities. Exclude Bayer digestion/alumina refining, aluminium smelting, calcined refractory products, finished abrasives and downstream customer processing.	iai-bauxite-mining-2026, ifc-mining-2007
boundary_partition	all exchanges	Include actual conditioning, storage, handling and pollution controls through the declared gate. Account for attributable construction and closure with a disclosed lifetime-output basis or justified exclusion and sensitivity. Separate purchased fuel supply from foreground combustion and purchased treatment from site releases.
boundary_completeness	inventory	Cards define individual likely exchanges and route conditions, not an exhaustive site audit. Add each actual absent chemical, waste, resource, land transformation and pollutant as its own row. Absence, measured zero and unknown must be distinguished.

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
development	Mine development and rehabilitation	conditional	Integrated mine and attributable closure	Foreground production	per 1 kg reference flow
extraction	Ore extraction and haulage	conditional	Integrated mining	Foreground production	per 1 kg reference flow
preparation	Crushing and sizing	conditional	Actual physical preparation or supplied ore	Foreground production	per 1 kg reference flow
washing	Washing and dewatering	conditional	Actual wet-beneficiation route only	Foreground production	per 1 kg reference flow
dispatch	Stockpiling, loading and site controls	required	All declared sites	Foreground production	per 1 kg reference flow

Process: Mine development and rehabilitation (development)

Inputs

Product flows

Mine-development diesel (development_diesel)

Actual stripping/rehabilitation equipment, allocated once by disclosed lifetime output.

• Selected flow: Diesel fuel 9d258d75-6792-4f1c-9856-81602ed8f816
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_development_diesel; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_development_diesel
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Outputs

Waste flows

Overburden sent to mine management (overburden)

Actual removed overburden; topsoil storage and reuse remain a separate land/stock record.

• Selected flow: Overburden sent to mine management
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_overburden; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_overburden
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Process: Ore extraction and haulage (extraction)

Inputs

Product flows

Extraction and haulage diesel (mining_diesel)

Actual equipment, haul distances and load cycles; exclude supplier fuel combustion.

• Selected flow: Diesel fuel 9d258d75-6792-4f1c-9856-81602ed8f816
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_mining_diesel; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_mining_diesel
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Ammonium-nitrate/fuel-oil explosive (anfo_explosive)

Only actual ANFO blasting; record formulation and charge. Nonblasted extraction excludes this row; each other explosive needs its own card.

• Selected flow: Ammonium-nitrate/fuel-oil explosive
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_anfo_explosive; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_anfo_explosive
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Elementary flows

Bauxite ore extracted from the deposit (bauxite_resource)

Only primary bauxite extraction; measure ore mass, mineralogy and moisture, separately from overburden. Other aluminium minerals need their own resource identity.

• Selected flow: Bauxite ore extracted from the deposit
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_bauxite_resource; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_bauxite_resource
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Outputs

Waste flows

Mine waste rock (waste_rock)

Actual barren/rejected rock sent to defined management; measure dry solids and leaching potential.

• Selected flow: Mine waste rock
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_waste_rock; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_waste_rock
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Process: Crushing and sizing (preparation)

Inputs

Product flows

Supplied bauxite ore (purchased_ore)

Only standalone bauxite processing; supplier carries extraction and agreed transport, without also counting direct mine resource.

• Selected flow: Supplied bauxite ore
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_purchased_ore; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_purchased_ore
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Crushing and sizing electricity (crusher_power)

This purchased electricity exchange requires independently confirmed actual supplier, consumption or production interface, geography, voltage, generation attributes and energy property/unit; its UUID remains unresolved until a compatible direct-read identity is confirmed. A waste-incineration generation flow must not represent arbitrary site power.

Actual crushers/screens/conveyors, excluding washing and dispatch meter duplication.

• Selected flow: Electricity
• Flow property / unit: Net calorific value / MJ
• Amount rule: Collect the attributable reporting-period quantity under cp_crusher_power; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_crusher_power
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Outputs

Waste flows

Rejected ore from sizing (sizing_reject)

Only rejected fraction leaving productive route; assay moisture and aluminium/silica content.

• Selected flow: Rejected ore from sizing
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_sizing_reject; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_sizing_reject
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Process: Washing and dewatering (washing)

Inputs

Product flows

Supplied wash make-up water (supplied_wash_water)

Only purchased new make-up; internal circulating wash water is a balance observation.

• Selected flow: Process Water 94a04f7e-2d5c-41f0-b182-d54a3b373a02
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_supplied_wash_water; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_supplied_wash_water
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Wash and dewatering electricity (wash_power)

This purchased electricity exchange requires independently confirmed actual supplier, consumption or production interface, geography, voltage, generation attributes and energy property/unit; its UUID remains unresolved until a compatible direct-read identity is confirmed. A waste-incineration generation flow must not represent arbitrary site power.

Actual scrubbers, pumps, screens and dewatering units only.

• Selected flow: Electricity
• Flow property / unit: Net calorific value / MJ
• Amount rule: Collect the attributable reporting-period quantity under cp_wash_power; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_wash_power
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Elementary flows

River-water withdrawal (river_water)

Only direct abstraction; measure basin and intake separately from purchased water.

• Selected flow: river water 805a7346-1664-4483-afe3-4b224be5e361
• Flow property / unit: Volume / m3
• Amount rule: Collect the attributable reporting-period quantity under cp_river_water; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_river_water
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Outputs

Waste flows

Clay-rich bauxite wash fines (clay_fines)

Only actual wet tailings sent to management; measure water, dry solids and residual aluminium and prevent duplicate internal recycling.

• Selected flow: Clay-rich bauxite wash fines
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_clay_fines; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_clay_fines
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Wash-water purge transferred for treatment (wash_effluent)

Only actual treatment transfer; direct discharge needs separate species/compartment and return-volume observations.

• Selected flow: Wash-water purge transferred for treatment
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_wash_effluent; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_wash_effluent
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Process: Stockpiling, loading and site controls (dispatch)

Inputs

Product flows

Loading diesel (loading_diesel)

Actual stockpile/loading equipment only, separate from mining haulage.

• Selected flow: Diesel fuel 9d258d75-6792-4f1c-9856-81602ed8f816
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_loading_diesel; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_loading_diesel
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Site-control electricity (site_power)

This purchased electricity exchange requires independently confirmed actual supplier, consumption or production interface, geography, voltage, generation attributes and energy property/unit; its UUID remains unresolved until a compatible direct-read identity is confirmed. A waste-incineration generation flow must not represent arbitrary site power.

Actual drainage, dust-control and tailings auxiliaries; shared meters allocated once.

• Selected flow: Electricity
• Flow property / unit: Net calorific value / MJ
• Amount rule: Collect the attributable reporting-period quantity under cp_site_power; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_site_power
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Outputs

Product flows

Washed bauxite representative product (final_product)

The confirmed representative UUID applies only to washed bauxite at its compatible state; raw/unwashed ore and other aluminium minerals require distinct actual product identities at the same declared mass reference.

• Selected flow: Washed Bauxite bd0c6203-d2b3-4e7f-8602-027aa93e87df
• Flow property / unit: Mass / kg
• Amount rule: 1 kg
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_output
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Elementary flows

Fossil carbon dioxide to outdoor air (co2_air)

Only foreground diesel and other actual fossil combustion; record fuel/carbon balance and factor provenance, no generic mine intensity.

• Selected flow: carbon dioxide (fossil) 08a91e70-3ddc-11dd-923d-0050c2490048
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_co2_air; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_co2_air
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

Mineral PM10 to outdoor air (pm10_air)

Only measured/reconciled extraction, crushing, handling or haul-road fugitive dust; other particle fractions have separate identities and quantities.

• Selected flow: Mineral PM10 to outdoor air
• Flow property / unit: Mass / kg
• Amount rule: Collect the attributable reporting-period quantity under cp_pm10_air; divide by D after stock, transfer and allocation reconciliation.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg reference flow
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_pm10_air
• Sources: iai-bauxite-mining-2026, ifc-mining-2007

7. Allocation and Co-product Handling

rule_id	Applies to	Rule	source_ids
allocation_hierarchy	joint production	Prefer process subdivision or defensible system expansion; otherwise use demonstrated physical causality. Use economic allocation only with consistent period, price, currency and sensitivity when physical causality is unavailable. Retain the unallocated inventory.	ef-allocation-2021
allocation_product	reference and co-products	Subdivide extraction, crushing, washing and grade-sorting activities where measured. Assign development/closure using disclosed attributable lifetime saleable output; do not charge the full development once to each annual dataset. Retain unallocated inventory for genuine co-products; sorting grades are not automatically distinct co-products. Clay fines or waste rock are not burden-free products merely because sold or reused.
allocation_waste	waste and recycling	Classify each output by physical state and actual fate. A sale does not automatically make a residue a co-product; internal recycling receives no avoided-product credit. Apply treatment burdens once.

8. Foreground Data Collection, Calculation, and Quality Rules

Data Collection Protocols

protocol_id	process_id	flow_role	record_type	raw_fields	collection_method	unit	frequency	temporal_coverage	site_scope	aggregation_rule	quality_evidence
cp_development_diesel	development	development_diesel	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_overburden	development	overburden	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Collect matched survey/weighbridge or slurry-flow records, representative moisture and solids assays, mineral composition and management fate. Reconcile internal returns; record allocated lifetime basis for development rather than a full repeated annual charge.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_bauxite_resource	extraction	bauxite_resource	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_mining_diesel	extraction	mining_diesel	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_anfo_explosive	extraction	anfo_explosive	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_waste_rock	extraction	waste_rock	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Collect matched survey/weighbridge or slurry-flow records, representative moisture and solids assays, mineral composition and management fate. Reconcile internal returns; record allocated lifetime basis for development rather than a full repeated annual charge.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_purchased_ore	preparation	purchased_ore	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_crusher_power	preparation	crusher_power	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	MJ	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_sizing_reject	preparation	sizing_reject	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Collect matched survey/weighbridge or slurry-flow records, representative moisture and solids assays, mineral composition and management fate. Reconcile internal returns; record allocated lifetime basis for development rather than a full repeated annual charge.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_supplied_wash_water	washing	supplied_wash_water	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_river_water	washing	river_water	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	m3	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_wash_power	washing	wash_power	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	MJ	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_clay_fines	washing	clay_fines	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Collect matched survey/weighbridge or slurry-flow records, representative moisture and solids assays, mineral composition and management fate. Reconcile internal returns; record allocated lifetime basis for development rather than a full repeated annual charge.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_wash_effluent	washing	wash_effluent	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_loading_diesel	dispatch	loading_diesel	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_site_power	dispatch	site_power	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	MJ	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_co2_air	dispatch	co2_air	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_pm10_air	dispatch	pm10_air	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Calibrated weighing, metering or traceable transfer records; reconcile period, opening/closing stock, actual grade and boundary.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty
cp_output	dispatch	final_product	measurement_record	period; site; amount; original unit; uncertainty; stock changes; route condition; allocation; D; product qualifiers	Use calibrated net loading weights and inventory/transfer reconciliation to independently record positive accepted as-received kg D. Sample each representative lot for moisture, mineralogy, total/available alumina and reactive silica where relevant. Match the chosen raw/washed state and retain dry-basis assays separately from the wet-mass reference.	kg	Each meter interval or shipment; monthly reconciliation	Complete year or justified representative production campaign	One actual ore grade and measured as-received moisture at the mine/processing loading gate	per 1 kg reference flow	Calibration; original records; assay; balance residuals; uncertainty

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
normalization	all cards	Exchange = attributable period quantity / D. Reconcile inventories and cancel internal transfers before aggregation.	cp_output; row-specific cp records	per 1 kg reference flow
physical_balance	production	D is positive accepted net as-received product mass in kg at the selected gate, excluding packaging and rejects. Record each stream moisture w and dry-solids mass m_dry = m_wet × (1 − w); assay grades on their stated basis. Contained-alumina mass is dry-solids mass times the matching dry-basis Al2O3 fraction, not the reference denominator. Reconcile dry ore, product, waste rock, wash fines, losses, stock changes and transferred water. Separate circulated wash water, new intake and measured return; no universal recovery, grade or density.	Matched mass, volume, composition and stock measurements	Balance residual and uncertainty

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
representativeness	dataset	Use matching production and exchange periods, actual technology, geography and supplier state. Record startup, shutdown, seasonal variation and substitutions.	collection records
identity_and_ranges	all cards	Unresolved identities and missing independent range evidence remain explicit. Do not replace measurement by a guessed industry range or by missing-as-zero.	manifest review metadata

9. Validation Rules

rule_id	Applies to	Rule	source_ids
validate_reference	final_product	Verify 1 kg, positive D, product state, property/unit and every required qualifier. Each dataset fixes one product and route.
validate_balance	site	D is positive accepted net as-received product mass in kg at the selected gate, excluding packaging and rejects. Record each stream moisture w and dry-solids mass m_dry = m_wet × (1 − w); assay grades on their stated basis. Contained-alumina mass is dry-solids mass times the matching dry-basis Al2O3 fraction, not the reference denominator. Reconcile dry ore, product, waste rock, wash fines, losses, stock changes and transferred water. Separate circulated wash water, new intake and measured return; no universal recovery, grade or density.
validate_coverage	handoff	Verify each applicable exchange, its provider or environmental compartment and final waste fate; identify skipped checks, unresolved identities, missing measurements and upstream gaps. Errors or unassessed mandatory coverage cannot be labelled complete.

10. Published Dataset Profile

Field	Value
dataset_role	foreground_dataset
downstream_use	secondary_dataset; background_dataset
allowed_use	Supply 1 kg of specified aluminium ore or physical concentrate; no equivalence to 1 kg aluminium or alumina
excluded_use	Alumina chemicals/refining; aluminium metal; calcined refractory bauxite; finished abrasives; customer conversion
required_metadata	site/year; mineralogy; mining method; integrated/standalone start; raw/crushed/washed state; particle size; as-received moisture; dry-basis total and available alumina and reactive silica where relevant; gate; yield and rejects; water basin; waste fate; allocation; development and closure basis; representative UUID applies only to washed bauxite, with a distinct identity required for unwashed or other aluminium minerals
required_quality_disclosure	Identity and measurement gaps; boundary coverage; uncertainty; allocation; temporal and geographical representativeness
update_trigger	Changed product, route, yield, supply, waste fate, site or representative period

11. Data Sources

Source id	Type	Reference	Used for
iai-bauxite-mining-2026	extension_guidance	International Aluminium Institute, The Aluminium Story, Mining: Process, web snapshot 1 October 2026, Mining: The process. https://alustory.international-aluminium.org/mining-refining/process-mining/	Surface extraction, topsoil/overburden separation, optional crushing/washing and refinery handover; no universal grade or consumption.
ifc-mining-2007	official_guidance	IFC, Environmental Health and Safety Guidelines for Mining, 10 December 2007, sections 1.1 and Annex A. https://www.ifc.org/content/dam/ifc/doc/2000/2007-mining-ehs-guidelines-en.pdf	Mining water, wastes, emissions, development and closure; no product-specific default factors.
cpc3-notes-2025	official_guidance	UNSD, CPC Version 3.0 Explanatory Notes, 30 June 2025. https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Exp_Notes_30Jun2025.pdf	Classification scope only; no process quantities.
ef-allocation-2021	official_guidance	Commission Recommendation (EU) 2021/2279, Annex I section 4.5, consolidated 30 December 2021. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02021H2279-20211230	Multifunctionality hierarchy; not a claim of complete PEF conformity.