possible ore

possible ore

[′päs·ə·bəl ¦ȯr]
(mining engineering)
A class of ore whose existence is a reasonable possibility, based upon geologic-mineralogic relationships and the extent of ore bodies already developed. Also known as extension ore.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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That adds significantly to the 50 million tons of mineralized rock in the main deposit at Red Dog and the estimated 9.6 million tons of possible ore at the nearby Hilltop Deposit.
The company has also reported that there is a block of 13,200 t of possible ore grading just over 9 g/t; another block contains 127,000 t of inferred ore of probably similar grade.
There are about five years of proven, probable and possible ore reserves remaining at the operation.
Present reserves at the A-J include 63.6 million tons of proven and probable ore with a grade of 0.052 ounces per ton, and 42.1 million tons of possible ore, grading 0.051 ounces per ton.

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