A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...
A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...
A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...
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THE GEOLOGICAL OCCURRENCE OF ANTIMONY ORES. 57<br />
INDIA.<br />
Antimony ore has been found in the following localities:—<br />
Tenasserim, Shigri, Jhelum district.<br />
AUSTRALIA.<br />
New South Wales,—At a mine near Armidale, the vein varies in<br />
width from 10 inches to 15 inches. The ore has also been found at<br />
Hargrave's Falls and in the vicinity of Aberfoil. In the Macleay<br />
district the veins have been successfully worked. In the Bathurst<br />
district the ore occurs in blocks without any well-defined lode. On<br />
the Munga Creek, the ore is found to be enclosed in a quartzose<br />
matrix. (A.) East of Broken Hill, in the Barrier Range, the ore is<br />
argentiferous. A vein occurring in the crystalline schists of this<br />
region carries, wherever it cuts amphibolitic intrusions, rich silverantimony<br />
ores, dysqrasite (Ag?iSbm), stromeyerite (CuAgS), and<br />
antimonious silver chloride, the gangue being calcite and ironspar.<br />
(B.)<br />
Victoria.—At Costerfield, antimonial reef is found. At Whroo,<br />
concretions of antimony ore are found in many veins. In this<br />
remarkable instance the sulphide is enclosed in successive concentric<br />
layers of oxide, with here and there scattered grains of gold. Stibnite<br />
is also found at Munster Gully, Dunolly, and at Donovan's Creek;<br />
the lode of the latter locality consists of nearly pure stibnite, attaining<br />
to a width varying from 1 foot 6 inches to 2 feet. At S anbury, there<br />
occurs a vein having an irregular course approaching to the strike<br />
of the Silurian strata. This vein, 3 inches to 8 inches in thickness,<br />
carries about 2 oz. of gold per ton. (B.) Auriferous antimonial veins<br />
are said to occur 17 miles from Melbourne.<br />
Australasia.—Antimony ores are also found in Queensland, New<br />
Zealand, and New Caledonia.<br />
SOUTH AFRICA.<br />
Antimony ore is said to have been found in the Murchison Eange<br />
in the Transvaal.