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Studies of stope-scale seismicity in a hard-rock mine. Part 2. Characterization of blast and rock burst aftershock sequences.

Authors
Kranz-RL; Coughlin-JP; Billington-S
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9578, 1995 Jan; :1-67
Link
NIOSHTIC No.
10005880
Abstract
This is the second report on studies of stope-scale seismicity that the U.S. Bureau of Mines (USBM) has conducted using data gathered at a hard-rock mine in northern Idaho as part of its mine safety program. The second report describes and discusses characteristics of a particularly prominent group of microseismic events: the aftershocks that immediately follow the larger events and production or destress blasts.
Keywords
Seismicity; Stress-analysis; Rock-mechanics; Mechanical-properties; Mine-bursts; Stresses; Stope-mining; Mines-Excavations; Spatial-variations; Temporal-variations; Rock-bursts; Blast-effects; Microseisms; Aftershock
Publication Date
19950101
Document Type
Report of Investigations
Fiscal Year
1995
NTIS Accession No.
PB96-131347
NTIS Price
A04
Identifying No.
RI-9578
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9578
State
PA
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