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Database: 189759 (19 Oct 2025)
DZ/T 0002.4-1997 English PDF
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Standard Title (Description)
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DZ/T 0002.4-1997
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Description standard of coalbearing strata borehole core - coaly facies part
Obsolete
DZ/T 0002.4-1997
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Basic data
Standard ID
DZ/T 0002.4-1997 (DZ/T0002.4-1997)
Description (Translated English)
Description standard of coalbearing strata borehole core - coaly facies part
Sector / Industry
Geological Industry Standard (Recommended)
Classification of Chinese Standard
A44
Classification of International Standard
7.06
Word Count Estimation
29,240
Date of Issue
2/23/1998
Date of Implementation
7/20/1998
Quoted Standard
GB 9649-1988; GB/T 12937-1995; MT 263-1991
Summary
This standard specifies the drilling bituminous coal, macroscopic description of the methods and content type soft lignite coal cores, preliminary division, the term encoding, rock coal coal coal preparation phase of the phase histogram format and legend. This standard applies to drilling bituminous coal, lignite soft macroscopic description. Hard lignite, macroscopic description anthracite coal seam outcrop and trenches can also refer to the use.