 | | Report (issue) | | Black Hills and a laboratory mineralogist with X-ray, spectrographic, wet-chemical, and petrographic facilities...doubtful or discredited species) NATIVE ELEMENTS Gold Silver Copper Iron Bismuth Selenium Tetradymite...prospects in the lower Ludlow lignites. Harding County: 1. Abemathyite has been identified as a component...Soluble In hydrochloric acid, yielding Custer County: 1. Allanite has been reported to occur as small...the Needles area. Runner (7) p 453. Pennington County: 1. Allanite occurs as microscopic inclusions in |  | | Report (issue) | | Deposits of the Mountain Pass District San Bernardino County California GEOLOGICAL SURVEY PROFESSIONAL PAPER...Deposits of the Mountain Pass District San Bernardino County California By J. C. OLSON, D. R. SHAWE, L. C. PRAY...HEWETT The region near Mountain Pass, San Bernardino County, Calif., has been the scene of at least three cycles...following the decline in discovery and production of gold along the western slope the Sierra Nevada. In 1854...discovered and explored on the north slope of Clark Mountain, 10 miles north of Mountain Pass. During the |  | | Report (issue) | | Montana ................. . Ravalli County, Montan81- Lemhi County, Idaho .. Magnet Cove and Potash Sulfur...Bearpaw Morntains, Mont.; (5) Ravalli County, Mont., and Lemhi County, Idaho; and (6) Magnet Cove-Potash...disseminated deposits, and (4) stream placers of North and South Carolina. This report is a sequel to that report...massive carbonatites, and stream placers in North and South Carolina was submitted to the Department of Energy...Idaho. Resources of stream placers in North and South Carolina have been previously reported (Staatz |  | | Report (issue) | | investigation. It has already proven of value in Fannin County and will, it is anticipated, prove equally useful...complicated geologic history and mineral deposits of north-central Georgia. Very respectfully yours, GARLAND...mainly in Fannin County, Georgia, but includes part of Cherokee County, North Carolina, and part of the...An anticlinorium of comparable size lies to the north west. The main folds in the Copperhill area are...Axial plane flow cleavage is well developed to the north west, weak toward the southeast; bedding-plane foliation |  | | Report (issue) | | Geological Survey (USGS) editorial standards or with the North American Stratigraphic Code. Any use of trade, product........ . . ............ 10 Pike National Forest County of El Paso (Black Forest) Land Exchange Offer ...Exchange Offer Fig. 1. Geologic map of part of the Gold Hill quadrangle (Gable, 1980) ....................Exchange Offer Fig. 1. Principal mineral prospects, North Laramie Mountains (Spencer, 1916) ................comprise an unspecified number of acres in Weld County, Colorado. Sincerely yours, Anna B. Wilson, Geologist |  | | Report (volume) | | County___________ McLeod prospect Mobley prospect_______ Cochran prospect ____ M. A. Aldridge prospect _ K. D. Aldridge...Aldridge prospect _ Matlock mine_________ Story mine ____ Independence County____ Jackson prospect____ Woodyard...Woodyard prospect. -^ Ball mine_____________________________ _Milligan prospect ________ Eliza Patterson...Patterson prospect _ 103 103 103 103 103 104 104 105 306 107 107 107 108 110 110 Milligan-Perrin prospe...Wilson mine____________________________ M. W. Reves prospect ____________ ___ G. D. Reves tract___________________________ |  | | Book (edition) | | field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his final results...Tanganyika. b. In generally unaltered rocks: Ravalli County, Montana, and Verity, British Columbia. Similar...1Udd-]seq UIYINOS ‘OMISIG ‘NBI feyBA oddeyey | “gold oo1ey-1sod eMyIyD ‘soliag osodn}10g ISeq eld ...carbonatitic complexes are aligned in a generally north-south belt (Fig. 13-1), and some of the 30°E...accurately described in dimensional terms. Third is North America (Canada greatly exceeding the U.S.A.), followed |
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