Eye assay | Article about eye assay by The Free Dictionary
eye assay[′ī ′as‚ā]
An estimate of the valuable mineral content of a core or ore sample as based on visual inspection. Also known as eyeball assay.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
In the cited papers, there was no, however, made evaluation of enzyme activity by a camera because a naked eye assay
and another type of substrate were preferred.
There were about a hundred souls assembled, and Jeffrey's seasoned eye assayed
the political temper of the throng.