coal measures definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- coal beds or strata
- sedimentary Carboniferous rocks that include coal-bearing strata
coal measures definition by American Heritage Dictionary
plural noun Geology
- Coal Measures A stratigraphic unit equivalent to the Pennsylvanian or Upper Carboniferous Periods.
- Strata of the Carboniferous Period usually containing coal deposits.