Prospectors Handbook No 1
Prospectors Handbook No 1
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Collins and dated Aug. 2, 1889.
13 uranium lode as follows: 'The uranium lode is 2 to 4 feet wide, and there is a more or less continuous leader of valu- able ore, varying from a mere knife-edge up to a foot or more in thickness. The workings have now reached a depth of 30 fathoms below the adit level, and only pitch- blende is now found in the lode, so that it is easy by hand* selection to separate the high-grade ore, while the remainder can readily be dressed in the ordinary way (by crushing ...and wet concentration). The 30-fathom level has now been driven for a total length of nearly 80 fathoms, and the ground thus opened up between this and the 20-fathom level is certainly not likely to yield less ore for equal length than that already yielded between the 20 and the 10, or between the 10 and the adit. ' "As illustrating the value of the ore ground, it would appear that up to the present about 1000 fathoms of ore ground have been stoped away above the 20-fathom level and 500 tons of ore sold for approximately 20, 000, while there is probably at least 5, 000 more recoverable from the dumps.
What to read after Prospectors Handbook No 1?
You can find similar books in the "Read Also" column, or choose other free books by Geological Survey of Canada to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Collins and dated Aug. 2, 1889.
13 uranium lode as follows: 'The uranium lode is 2 to 4 feet wide, and there is a more or less continuous leader of valu- able ore, varying from a mere knife-edge up to a foot or more in thickness. The workings have now reached a depth of 30 fathoms below the adit level, and only pitch- blende is now found in the lode, so that it is easy by hand* selection to separate the high-grade ore, while the remainder can readily be dressed in the ordinary way (by crushing ...and wet concentration). The 30-fathom level has now been driven for a total length of nearly 80 fathoms, and the ground thus opened up between this and the 20-fathom level is certainly not likely to yield less ore for equal length than that already yielded between the 20 and the 10, or between the 10 and the adit. ' "As illustrating the value of the ore ground, it would appear that up to the present about 1000 fathoms of ore ground have been stoped away above the 20-fathom level and 500 tons of ore sold for approximately 20, 000, while there is probably at least 5, 000 more recoverable from the dumps.
What to read after Prospectors Handbook No 1?
You can find similar books in the "Read Also" column, or choose other free books by Geological Survey of Canada to read onlineMoreLess
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