subarkose

subarkose

[səb′är‚kōs]
(geology)
Sandstone that is intermediate in composition between arkose and pure quartz sandstone; it contains less feldspar than arkose.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
I: quartzarenite; II: subarkose; III: sublitharenite; IV: arkose; V: lithic arkose; VI: feldspathic litharenite; VII: litharenite.
In its type area near Guysborough, the Middle Devonian Glenkeen Formation consists mainly of conglomerate, with minor subarkose, siltstone, tuffaceous sandstone, turf, and basaltic flows.