large samples of geologic material: U.S. Geo <strong>Marble</strong> Institute of America, 1960, <strong>Marble</strong> logical <strong>Survey</strong> Circular 561, 4 p. Engineering Handbook: American Institute of Architects, File 8B-1,122 p. Wells, J. H., 1969, Placer evaluation: U.S. Bureau of Land Management Technical Bulletin Sharps, T. I., 1963, Dimension Stone in Color 4, 209 p. ado: <strong>Colorado</strong> School of Mines Minerals Industry Bulletin, v. 6, no. 1, 12 p. Dimension Stone Bain, G. W., 1938, Mining marble: American Institute of Mining Metallurgical and Petroleum Engineers Transactions, v. 129, p. 99-114. , 1941, <strong>Geological</strong>, chemical and physical problems in the marble industry: American Institute of Mining Metallurgical and Petroleum Engineers Transactions, v. 144, p. 320-337. currently produced marbles: U.S. Department of Commerce National Bureau of Standards Circular LC1010, 13 p. Kessler, D. W, 1919, Physical and chemical tests on the commercial marbles of United States: U.S. Department of Commerce National Bureau of Standards Technical Paper 123, 54 p. . , 1931, Bibliography on weathering of natural stones: American Society for Testing Materials, Proceedings, v. 31, pt. 2, p. 804- 813. Lakes, Arthur, 1910, Some remarkably fine marble quarries in <strong>Colorado</strong>: Mining World, v. 32, p. 609-611. Loomis, T. H. W, 1970, Report on building stone: U.S. Bureau of Land Management, Division of Standards and Technology, Denver Service Center, 41 p. U.S. Bureau of Mines, 1968, A dictionary of mining, mineral, and related terms: 1269 p. <strong>Marble</strong> - Dimension Stone Barton, W. R., 1968, Dimension Stone: U.S. Bureau of Mines Information Circular 8391. 147 p. Bowles, O., 1916, The technology of marble quarrying: U.S. Bureau of Mines Information Circular B 106.174 p. Dietrich, R. V., and Skinner, B. J., 1979, Rocks and Rock Minerals: New York, John Wiley, __, 1940, Onyx, marble, and travertine: U.S. 305 p. Bureau of Mines Information Circular 6751R. lip. Hockman, Arthur, 1953, Physical properties of _, 1958, <strong>Marble</strong>: U.S. Bureau of Mines Information Circular 7829. 31 p. Bowles, O. and Davidson, F, 1938, Verde antique: U.S. Bureau of Mines Information Circular 7008.10 p. Brown, C. E., 1978, Reconnaissance investigation of high-calcium marble in the Beaver Creek area, St. Lawrence County, New York: U.S. <strong>Geological</strong> <strong>Survey</strong> Circular C-0774,10 p. Currier, L. W, 1960, Geologic appraisal of dimension-stone deposits: U.S. <strong>Geological</strong> <strong>Survey</strong> Bulletin 1109, 78 p. Dale, T. N., 1912, The commercial marbles of western Vermont: U.S. <strong>Geological</strong> <strong>Survey</strong> Bulletin 521,170 p. _, 1915, The calcite marble and dolomite of eastern Vermont: U.S. <strong>Geological</strong> <strong>Survey</strong> Bulletin 589, 67 p. 77
Riley, H. L., and Schroeder, H. J., 1962; Methods for Producing Dimension Stone, Crab Orchard Stone Co., Inc., Cumberland county, Tenn: U.S.Bureau of Mines Information Circular 8135. 18 p. Mineral Evaluation / Economics Bise, C. J., 1986, Mining Engineering Analysis: 78 Littleton, <strong>Colorado</strong>, Society of Mining Engineers Incorporated. Hughes, R. V., 1978, Oil Property Valuation: Huntington, New York, Robert E. Krieger Publishing Company, 331 p. Parks, R. D., 1957, Examination and Valuat of Mineral Property: Reading, Massachusetts, Addison-Wesley Publishing Co., 507 p. Sassone, P. G. and Schaffer, W. A., 1978, Benefit Analysis—A Handbook: New York, Academic Press, 182 p.
- Page 1 and 2:
CGS LII Open-File Report 90-2 Geolo
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EXECUTIVE SUMMARY *. .....1 INTRODU
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The Colorado Geological Survey (CGS
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night can be more pronounced in win
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GEOLOGIC CHARACTERIZATION INVESTIGA
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content. A Geometries GS 101A scint
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ock unit known as the Molas Formati
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contain galena, sphalerite, and cha
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6? J® •—y "iff i &-m*--&-.~s I
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EXPLANATION Upper Tertiary volcanic
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closing of the Midnight Mine near R
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o o o o o o o o a. o» o o CO o> o
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o o o o o o © o OS OS o o 00 OS o
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the greatest potential for gold. Th
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The economic evaluation for the Col
- Page 32 and 33: Country of Origin Italy Spain Greec
- Page 34 and 35: quarries, may be nothing more than
- Page 36 and 37: White Marble (Pbwm) White marble is
- Page 38 and 39: Textbook, Economic Evaluation and I
- Page 40 and 41: the end of the year taken. The prod
- Page 42 and 43: increase back support costs. A 20 f
- Page 44 and 45: The CGS has determined that the occ
- Page 46 and 47: Barton, W. R., 1968, Dimension Ston
- Page 48 and 49: APPENDIX A Description of Rock Samp
- Page 50 and 51: contains inclusions of dark gray cl
- Page 52 and 53: dote, is tightly cemented by silica
- Page 54 and 55: (67) Quartzite, dark greenish gray
- Page 56 and 57: INDIANA DEPARTMENT OF NATURAL RESOU
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- Page 60 and 61: SKYLINE LABS, INC. SPECIALISTS - EX
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- Page 66 and 67: Designers Tile and Marble, 1928 Eas
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- Page 70 and 71: Title: Four months production Proje
- Page 72 and 73: Title: Five month production with T
- Page 74 and 75: (Title: Five months production Proj
- Page 76 and 77: Title: Six months production with T
- Page 78 and 79: Production Calculations Cubic Feet
- Page 80 and 81: Tile Blocks Assume: 1) from broken