coalRank
P120400
predicate
Indicates the classification of coal based on its degree of metamorphism, quality, and carbon content.
Sample triples (11)
| Subject | Object |
|---|---|
| Barakar Formation | generally high-volatile bituminous ⓘ |
| Bituminous coal fields of Pennsylvania | bituminous ⓘ |
| Godavari Valley coalfields | bituminous coal ⓘ |
| Interior Coal Province | high-volatile bituminous ⓘ |
| North Alabama coal field | bituminous ⓘ |
| Pocahontas coalfield | bituminous ⓘ |
| Powder River Basin | sub-bituminous ⓘ |
| Sohagpur coalfield | bituminous to sub-bituminous ⓘ |
| Sokolov Basin | lignite ⓘ |
| Wardha Valley Coalfield | bituminous to sub-bituminous ⓘ |
| Western Coal Field | high-volatile bituminous ⓘ |