Ore controlPROXIMAL TO CONTACT BETWEEN VOLCANICS OR LIMESTONE AND INTRUSIVE BODIES; SHEAR ZONE
Geology
StructureAREA STRUCTURALLY COMPLEX, WITH DOMINANTLY NW TO W - NW TRENDING HIGH ANGLE FAULTS, DOWN TO THE NORTH. IN THE WESTERN PART OF THE DISTRICT, FAULTS APPEAR ANTI-THETIC, HAVING THEIR UPTHROWN SIDES TO THE SOUTH
AlterationADVANCED ARGILLIC TYPE WITH VEINS OF ALUNITE AND QTZ., LIMONITE, AND KAOLINITE REPLACING WALL ROCK MINERALS PREDOMINATES IN THE VICINITY OF GOLDEN PEN AND LONE STAR CLAIMS. AT THE NEV. RAND AREA, ALTERATION IS SERICITIC OR PHYLLIC IN NATURE. INTERMEDIATE LAVAS FROM BOTH AREAS SHOW PROPYLITIC ALTERATION.
Economic & production
Development statusPast Producer
First production1910
Discovery year1908
Identification
Deposit ID60001708
MRDS IDW016417
RegionNA
Data scoreD
Coordinates38.79992, -118.40096
References
NUMEROUS UNPUBLISHED REPORTS ON SPECIFIC MINES ON FILE AT NEV. BUREAU OF MINES, RENO, NV.1937 RECON USBM, INFO. CIRCULAR - MINERAL CO.1961 RECON USBM, BULLETIN 581228 RECON W. F. FOSHAG (UNPUB.)