IDs, Names, Geography, Main, Size, Age, Details, Reference, Ownership, End Users, Methane
| Category | Field | Code Name | Type | Required | Allowed Values | Regex |
|---|---|---|---|---|---|---|
| IDs | GEM Mine ID | gem_mine_id |
text/structured | Yes | ^M\d+$ |
|
| IDs | MSHA ID | msha_id |
numeric/ | |
||
| Geography | Country / Area | country_area |
text/categorical | Yes | |
|
| Names | Mine Name | mine_name |
text/unstructured | Yes | |
|
| Names | Mine Name AKAs | mine_name_akas |
text/unstructured | |
||
| Names | Mine Name (Non-ENG) | mine_name_non_eng |
text/unstructured | |
||
| Names | Complex Name | complex_name |
text/unstructured | |
||
| Reference | GEM Wiki Page (ENG) | gem_wiki_page_eng |
text/structured | ^https://www.gem.wiki/.* |
||
| Reference | GEM Wiki Page (Non-ENG) | gem_wiki_page_non_eng |
text/structured | ^https://www.gem.wiki/.* |
||
| Main | Status | status |
text/categorical | Yes | Cancelled, Operating, Shelved, Proposed, Mothballed, Closed | |
| Main | Status Detail | status_detail |
text/ordinal | Announced, Exploration, Pre-Permit, Permitted, Construction, Test Operation, Car | |
|
| Main | Project Type | project_type |
text/categorical | Expansion, New, Extension, Recommission | |
|
| Main | Project Phase | project_phase |
text/unstructured | |
||
| Ownership | Owners | owners |
text/structured | |
||
| Ownership | Owners GEM Entity ID | owners_gem_entity_id |
text/structured | |
||
| Ownership | Owners (Non-ENG) | owners_non_eng |
text/structured | |
||
| Ownership | Parent Company | parent_company |
text/unstructured | |
||
| Ownership | Company HQs | company_hqs |
text/structured | |
||
| Size | Capacity (Mtpa) | capacity_mtpa |
numeric/measurement | |
||
| Size | Production (Mtpa) | production_mtpa |
numeric/measurement | |
||
| Size | Year of Production | year_of_production |
datetime/year | |
||
| Size | Coal Output (Annual, Mst) | coal_output_annual_mst |
numeric/measurement | |
||
| Main | Mine Type | mine_type |
text/categorical | Surface, Underground, Underground & Surface | |
|
| Main | Mining Method | mining_method |
text/categorical | Strip, Board and Pillar, Mixed, Longwall, Open Pit, Mountaintop Removal | |
|
| Size | Mine Size (Km2) | mine_size_km2 |
numeric/measurement | |
||
| Size | Mine Depth (m) | mine_depth_m |
numeric/measurement | |
||
| Size | Depth Accuracy | depth_accuracy |
text/accuracy | Exact, Estimate | |
|
| Size | Workforce Size | workforce_size |
numeric/measurement | |
||
| Size | Workforce Accuracy | workforce_accuracy |
text/accuracy | Exact, Estimate | |
|
| Details | Coal Type | coal_type |
text/categorical | Bituminous, Subbituminous, Anthracite, Lignite | |
|
| Details | Coal Grade | coal_grade |
text/categorical | Yes | Thermal, Met | |
| Details | Percentage of Met Coal | percentage_of_met_coal |
numeric/percent | |
||
| Details | Percentage of Thermal Coal | percentage_of_thermal_coal |
numeric/percent | |
||
| Details | Accuracy Rating | accuracy_rating |
text/accuracy | Estimated, Reported | |
|
| Details | Reported Year of Percentage Split | reported_year_of_percentage_split |
datetime/year | |
||
| Size | Total Reserves (Proven and Probable, Mt) | total_reserves_proven_and_probable_mt |
numeric/measurement | |
||
| Size | Year of Total Reserves Recorded | year_of_total_reserves_recorded |
datetime/year | |
||
| Size | Total Resource (Inferred, Indicated, Measured) | total_resource_inferred_indicated_measured |
numeric/measurement | |
||
| Size | Reserve to Production Ratio (R/P) | reserve_to_production_ratio_r_p |
numeric/ | |
||
| Age | Opening Year | opening_year |
datetime/year | |
||
| Age | Closing Year | closing_year |
datetime/year | |
||
| Age | Reported Life of Mine | reported_life_of_mine |
numeric/measurement | |
||
| Age | Reported Year of Mine Life | reported_year_of_mine_life |
datetime/year | |
||
| Geography | Coalfield | coalfield |
text/unstructured | |
||
| Geography | Latitude | latitude |
numeric/ | Yes | |
|
| Geography | Longitude | longitude |
numeric/ | Yes | |
|
| Geography | Location Accuracy | location_accuracy |
text/accuracy | Yes | Exact, Approximate | |
| End Users | Primary Consumer, Destination | primary_consumer_destination |
text/unstructured | |
||
| End Users | Primary Consumer, Destination Name | primary_consumer_destination_name |
text/unstructured | |
||
| End Users | Primary Consumer, Destination GEM Wiki | primary_consumer_destination_gem_wiki |
text/structured | ^https://www.gem.wiki/.* |
||
| Methane | Gas-level Rating | gas-level_rating |
text/ordinal | Low-gas, Outburst, High-gas | |
|
| Methane | Gas-level Rating Appraisal Year | gas-level_rating_appraisal_year |
datetime/year | |
||
| Methane | Reported Coal Mine Methane Emissions (thousand tonnes CH4) | reported_coal_mine_methane_emissions_thousand_tonnes_ch4 |
numeric/measurement | |
||
| Methane | Reported Coal Mine Methane Emissions (thousand tonnes CO2 equivalent) | reported_coal_mine_methane_emissions_thousand_tonnes_co2_equivalent |
numeric/measurement | |
||
| Methane | Year of Reported Coal Mine Methane Emissions | year_of_reported_coal_mine_methane_emissions |
datetime/year | |
||
| Methane | Source ID | source_id |
text/unstructured | |
||
| Methane | Has associated plume data | has_associated_plume_data |
text/categorical | Yes, Yes* | |
|
| Methane | Has associated CMM mitigation data | has_associated_cmm_mitigation_data |
boolean/ | |
||
| Methane | GEM Coal Mine Methane Emissions Estimate (MCM/yr) | gem_coal_mine_methane_emissions_estimate_mcm_yr |
numeric/measurement | Yes | |
|
| Methane | GEM Coal Mine Methane Emissions Estimate (M tonnes/yr) | gem_coal_mine_methane_emissions_estimate_m_tonnes_yr |
numeric/measurement | |
||
| Methane | CMM Emissions (CO2e 20 years) | cmm_emissions_co2e_20_years |
numeric/measurement | Yes | |
|
| Methane | CMM Emissions (CO2e 100 years) | cmm_emissions_co2e_100_years |
numeric/measurement | Yes | |
|
| Ownership | Parent GEM Entity ID | parent_gem_entity_id |
text/structured | |
||
| Geography | Location (Non-ENG) | location_non_eng |
text/unstructured | |
||
| Reference | Reference Type | reference_type |
text/categorical | |
||
| Methane | Methane Emissions Factor | methane_emissions_factor |
numeric/measurement | |
||
| Methane | Methane Gas Content (m^3/tonne) | methane_gas_content_m_3_tonne |
numeric/measurement | |
||
| Methane | Mine boundary and methane emissions sources data available? | mine_boundary_and_methane_emissions_sources_data_available_ |
text/categorical | Y, N | |
|
| Methane | Has mine boundary and methane emissions sources data? | has_mine_boundary_and_methane_emissions_sources_data_ |
text/categorical | Y, N | |