NTS Map Sheets: 82J/16,11,07,02; 82G/15,10,07,02
View IC2018-06 for more information on the East Kootenay Coalfields
In southeastern British Columbia, coal deposits are in the Elk River, Crowsnest and Flathead coalfields, which extend from the Canada-USA border to the northwest for 175 km along the Rocky Mountains. Economic coal seams are hosted by the Mist Mountain Formation of the Jura-Cretaceous Kootenay Group. The formation contains 4 to over 30 seams, depending on location. Cumulative coal thickness ranges up to over 70 metres.
Coal seams are typically medium-volatile bituminous in rank, with some high volatile bituminous coals near the top of the section. Locally, low-volatile bituminous coals occur in basal portions of the section. Hard coking coal (HCC) is the predominant product mined at the four active mines. Mist Mountain Formation coking coals are known for good to excellent coal strength (CSR) values, low coke oven pressure, high coke stability, low to moderate base/acid ratios, and excellent blending characteristics, despite having low Giesler plasticity and dilatation. Coals that lack coking quality are marketed as PCI (pulverized coal injection) or thermal coal products. Southeastern British Columbia coals are characterized by low total sulphur contents.
Since 1898, more than 830,000 million tonnes, most of it coking coal, has been produced from the Crowsnest and Elk River coalfields.
Provincial legislation enacted in 2011 prohibits subsurface resource exploration and development in the Flathead River watershed, so parts of the Flathead and Crowsnest coalfields are excluded from coal mining activity.