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Silver Granites Mine, Hatches Creek Wolfram Field, Hatches Creek, Barkly Region, Northern Territory, Australia

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Latitude & Longitude (WGS84): 20° 55' 39'' South , 135° 11' 6'' East
Latitude & Longitude (decimal): -20.92754506, 135.185085267


The Silver Granites mine is in the southern section of the Hatches Creek wolfram field, and 500 metres east south-east of the Hit or Miss mine. To reach head south along a track opposite the Pioneer mine on Kurundi Road (Binns Track). After about 5 kilometres the Hatches Creek itself is reached, the track proceeding south in part along the sandy creek bed (possibly boggy). At the second gully, head along a track westwards, past the Hen and Chickens, then White Diamond mines, both bordering the north side of the track. The third track branches off to the Silver Granites mine, a distance of a few hundred metres.Some building ruins can be seen, and extensive shafts and shallow open cuts extending in south-west to north-east lines either side of the gully.

The workings appear more extensive than that noted in Ryan. He names Sultan's Reef, dipping east, 6-13 inches wide, marked by Sultan's Shaft. The reef contains small rich patches of wolfram at the intersection of a cross-reef. This reef intersects the Silver Granites Lode and Copper Lode at its eastern end.

Located in a wide shear, are two further lodes, 80 feet apart at the eastern end, but converge slowly to the west. One is called the Copper Lode, which splits, the southern reef crosses the Silver Granites Lode, while the northern reef runs parallel with the Silver Granites Lode. The Silver Granites Lode dips steeply north. Shafts have been sunk where the two lodes cross. To the west the lodes become irregular, and die out in sheared volcanic rock.

The main Silver Granites Lode contains four shafts, down to 62 feet. Both the Silver Granites and Copper lodes carry malachite, bornite, chalcocite, molybdenite, native bismuth, and wolframite. Mica is common. The reefs in the lodes contain high grade ore. Ryan also states 'spotted dog' is common. It is assumed he is referring to a rock type, rather than the later sometimes criticised resource estimate system, but as to what type of rock is open to speculation.

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5 valid minerals.

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References

Ryan, G.R. (1961), The Geology and Mineral Resources of the Hatches Creek Wolfram Field. Northern Territory, Department of National Development/Bureau of Mineral Resources Geology and Geophysics, Commonwealth Government, Bulletin No. 6, 1961

Stephenson, P.R., Allman, A., Carville, D.P., Stoker, P.T., Mokos, P., Tyrell, J., Burrow, T. (2006), Mineral Resource Classification- its time to shoot the 'spotted dog'!, 6th International Mine Geology Conference, Darwin, August 2006

Coalfields Geology Council of N.S.W./Qld Resources Council (2014), Australian Guidelines for the Estimation and Classification of Coal Resources, Guidelines Review Committee, 2014

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