coalMeasure

P77077
predicate

Indicates that something is a geological coal-bearing stratum or formation within the coal measures sequence.

Observed surface forms (1)

Surface form Occurrences
coalSeam 1

Sample triples (3)

Subject Object
Raniganj coalfield Raniganj Formation
Raniganj coalfield Barakar Formation
Powder River Basin Wyodak coal seam via predicate surface "coalSeam" NERFINISHED