Coal

The primary use for coal is as a fuel to produce electricity and heat.

Coking coal, or metallurgical coal, is used in the manufacturing of steel and other iron products. This type of coal needs to be low in ash, sulfur and phosphorus to prevent contamination of the metal.

Commodity	Associated Localities	Total Localities	% Association (commodity)	% Association (Coal)
Uranium	36	8,613	0.42% of all Uranium deposits have Coal.	0.25% of all Coal deposits have Uranium.
Molybdenum	26	1,814	1.43% of all Molybdenum deposits have Coal.	0.18% of all Coal deposits have Molybdenum.
Zinc	20	7,317	0.27% of all Zinc deposits have Coal.	0.14% of all Coal deposits have Zinc.
Lead	17	11,510	0.15% of all Lead deposits have Coal.	0.12% of all Coal deposits have Lead.
Clay	12	2,788	0.43% of all Clay deposits have Coal.	0.08% of all Coal deposits have Clay.
Sand and Gravel	11	472	2.33% of all Sand and Gravel deposits have Coal.	0.08% of all Coal deposits have Sand and Gravel.
Manganese	10	2,875	0.35% of all Manganese deposits have Coal.	0.07% of all Coal deposits have Manganese.
Gold	10	28,745	0.03% of all Gold deposits have Coal.	0.07% of all Coal deposits have Gold.

* in exploitable quantities, based on associations listed on mindat.org

The use of coal as an energy source is known to be a major factor in increased carbon dioxide levels worldwide and its subsequent impact on global climate.