face sampling

face sampling

[′fās ‚sam·pliŋ]
(mining engineering)
Taking random samples of ore and rock from exposed faces of ore and waste.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The deposit has been delineated in the upper levels by face sampling of development drives, underground diamond drilling and surface diamond drilling and minor RC drilling.
The estimate is based on good quality surface RC, surface and underground diamond drilling and face sampling data.