Nothiger; Standard Prospect, Hyder District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
Site probably originally staked in about 1923. Some reports also include references to the Standard claims, staked in 1931(?), that probably include the Nothiger prospect.
Location: The Nothiger prospect is in the northeast corner of Section 24 at an elevation of about 2500 feet . It is on the steep west wall of the valley just below the foot of Casey Glacier (Elliott and Koch, 1981, p. 15, loc. 53). The location is probably accurate within a quarter of a mile. Also see Additional Comments field, below.
Geology: The country rock in the area of this prospect is Triassic Texas Creek Granodiorite, which regionally underlies and locally intrudes pelitic metasedimentary and subordinate andesitic metavolcanic strata of the Jurassic or older Mesozoic Hazelton Group (Smith, 1977; Koch, 1996). The deposit (Buddington, 1929, p. 94) comprises an extensive shear zone 20-40 feet thick in granodiorite that contains a quartz vein and many quartz stringers. The main vein is 2.5-6 feet thick and contains a little galena and pyrite. The deposit was explored by a 12-foot crosscut adit driven through the main vein into the granodiorite footwall.
Workings: The deposit was explored in the 1920's by a 12-foot crosscut adit driven through the main vein into the granodiorite footwall.
Commodities (Major) - Pb
Development Status: None
Deposit Model: Polymetallic veins
ReferencesBuddington, A.F., 1929, Geology of Hyder and vicinity, southeastern Alaska, with a reconnaissance of Chickamin River: U.S. Geological Survey Bulletin 807, 124 p. Elliott, R.L., and Koch, R.D., 1981, Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 81-728-B, 23 p., 1 sheet, scales 1:250,000 and 1:63,360. Koch, R.D., 1996 [In press), Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report, 1 sheet, scale 1:250,000. Smith, J.G., 1977, Geology of the Ketchikan D-1 and Bradfield Canal A-1 quadrangles, Alaska: U.S. Geological Survey Bulletin 1425, 49 p., 1 plate.
| Galena|| Pyrite|| Quartz|
3 entries listed. 3 valid minerals.
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Locality Updated: Longwood Range peridotite outcrops, Southland, South Island, New ZealandFrom Judy Rowe, 5th Dec 2013 00:19:36