DIAMOND MINING IN AUSTRALIA, BORNEO, CHINA,
GUIANA, RUSSIA, AND THE UNITED STATES,
AND DIAMONDS FOUND IN
METEORITES
I
N the middle
eighties, a Mr. Gilkes, while prospecting for gold in the interior of
British Guiana, found a diamond. At that time the enormous development
of the diamond mines of Africa from the chance finding of a single
stone, had already attracted universal attention and prospectors were
not slow to follow any similar lead. The gold prospector at once became
a diamond seeker, and in a short time obtained quite a number of small
stones. No large stone or great quantity was obtained, and probably
for that reason systematic digging with the assistance of capital was
not begun until early in 1900, when " the British Guiana Diamond
Syndicate " obtained a concession of 2000 acres and commenced
operations on the Putareng Creek, a tributary of the Maza-runi river.
Later the Mazaruni Company obtained a concession of 5,858 acres in the
district and is still in operation. Since then, a number of small
companies, one of them American, operating on Nimbo Para creek,
Mazaruni river, have been formed for the purpose of digging for
diamonds in that district. There were 27 companies working in these fields in 1903, only 14 of whom reported over 100 stones.
The fields lie north of the Cordilleras of Parima, which
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