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Remote Mining Using Water for Ground Support.

Authors
Schmidt-RL; Savanick-GA
Source
Proc 5th Conf on Ground Control in Min Morgantown West Virginia, 6/11- 13/86 PP 89-106 :89-106
Link
NIOSHTIC No.
10005396
Abstract
This paper examines the role of water as a ground support medium as demonstrated by Bureau of Mines research on borehole mining of phosphate in St. Johns County, Florida. A borehole mining tool incorporating a water jet nozzle and slurry eductor in a single downhole tool, and lowered through a borehole into the ore zone, eroded an underground cavity by the action of the water jet, simultaneously pumping the slurry to the surface. In addition to phosphate mining, the system has been successfully used in mining coal, oil sand, and uranium.
Publication Date
19860101
Document Type
OP;
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
OP 145-86
NIOSH Division
TCRC;
Source Name
Proc. 5th Conf. on Ground Control in Min., Morgantown, West Virginia, 6/11- 13/86, PP. 89-106
State
FL; WV;
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