학술논문
Megascopic Description of Coal Drill Cores
Document Type
stp-paper
Author
Source
Field Description of Coal, Jan 1978, Vol. 1978, No. 661, pp. 50-57.
Subject
Language
English
Abstract
The U.S. Steel Research Laboratory employs a system of logging and describing coal drill-core samples which provides a permanent record of the lithologic variations in a coal bed. This paper outlines the procedure used for the megascopic description of coal drill-core sample.