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California Journal of Mines and Geology; January 1946, Vol. 42

  • Kartonierter Einband
  • 590 Seiten
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Excerpt from California Journal of Mines and Geology; January 1946, Vol. 42: Quarterly Chapter of State Mineralogists Report XLII... Weiterlesen
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Excerpt from California Journal of Mines and Geology; January 1946, Vol. 42: Quarterly Chapter of State Mineralogists Report XLII

The only mine in the area is the Old Friday nickel mine, and the only other openings are a few shallow prospect pits and trenches, and five short diamond-drill holes. The original Friday shaft, sunk on an outcrop of gossan containing a few dollars per ton in gold, was abandoned and now is covered by dump material, but a later shaft, south Of the Old one, was accessible in 1944. Partly oxidized sulfide minerals were found on the 132-foot level and more massive sulfides on the 180-foot level, which is the lowest in the mine.

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Produktinformationen

Titel: California Journal of Mines and Geology; January 1946, Vol. 42
Untertitel: Quarterly Chapter of State Mineralogists Report XLII (Classic Reprint)
Autor:
EAN: 9780364619827
ISBN: 0364619821
Format: Kartonierter Einband
Anzahl Seiten: 590
Gewicht: 780g
Größe: H229mm x B152mm x T31mm
Jahr: 2018

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