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Effects of clastic dikes on roof-rock stability in central Pennsylvania coal mine.

Authors
Hill-JL III
Source
Am Assoc Petrol Geol Bull 1984 Dec; 68(12):1
NIOSHTIC No.
10004353
Abstract
Clastic dikes are common in coalbeds of the Appalachian Basin. Their presence often causes delays in mine production and poses safety hazards to mine personnel. The U.S. Bureau of Mines is conducting research on the occurrence and origin of clastic dikes and associated roof-rock instability, to gain a better understanding of the effect clastic dikes have on ground pressure around mine openings. Geologic mapping and pressure monitoring of clastic dikes at the Greenwich Collieries North Mine, Indiana County, PA, have provided insights to this problem.
Keywords
Mining-industry; Coal-mining
CODEN
AABUD2
Publication Date
19841201
Document Type
OP; Journal Article
Fiscal Year
1985
NTIS Accession No.
NTIS Price
Identifying No.
OP 10-85
Issue of Publication
12
ISSN
0149-1423
NIOSH Division
PRC
Source Name
AAPG Bulletin
State
IN; PA
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