float coal

float coal

[′flōt ‚kōl]
(geology)
Small, irregularly shaped, isolated deposits of coal embedded in sandstone or in siltstone. Also known as raft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
Some works (Honaker 1996, Barraza & Pineres 2005) obtained float coal fractions having high concentration of vitrinite maceral using a flotation process in basic conditions.