| | Journal (article/letter/editorial) | Distribution, and Mineralizationof the Murgul Copper Deposit, NortheasternTurkey H.-J. SCHNEIDER, N....island-arcvolcanism.The deposit is linked to a 250-m-thick felsic pyroclasticmember of Senonianage. The Murgul depositconsistsof...depositconsistsof (1) a widespreaddisseminatedore with varying Cu contents ranging from 0.2 to 0.7 percent, (2) a stockworklikeore...1.0 and 2.5 percent, and (3) small ore lodeswith Cu contentsfrom 5.0 to 10.0 percent. The mineralization...alter- MURGULis one of the principal copper depositsof Turkey and hasbeen the object of numerousstudies | | | Report (issue) | AND GRADE-TONNAGE INFORMATION ON VOLCANIC-HOSTED COPPER-ZINC-LEAD MASSIVE SULFIDE DEPOSITS By D.L. Mosier...great surge in the number of papers on stratabound Cu-Zn-Pb massive sulfide deposits associated with volcanic...models for this deposit type and sub-types. In order to be included in this report, a deposit had to be closely...first 54 deposits are listed with the headings of deposit name, country, latitude, longitude, tonnage of...third page, and discovery dates, deposit age, deposit area, deposit dimensions, ore types, and references | | | Journal (article/letter/editorial) | have very contrasting Clarke values MA (like Fe, Cu and Au) can be compared on geochemical basis, with...dominated by gold and copper (278 and 268 entries), followed by Mo (166), Ag (119) and Pb (90).This metal selection...been able to find a single case where a giant deposit would be a unique, one-of-akind product. In all...loose pieces of metals like gold, meteoric iron and copper at the surface, goes back mere 9000 years in human...soon progressed to shallow depth, resulting in a mine. The numbers of mines and intensity of ACCEPTED | | | Report (volume) | Mineral Deposit • • u.s. . ' Models ' GEOLOGICA'L 'SURVEY BULLETIN 1693 I AVAILABILITY OF...Federal Buildmg, Twelfth Ave. 101 • Mineral Deposit Models DENNIS P. COX and DON.ALD A. SINGER, Editors...Congress Cataloging-in-Publication Data Mineral deposit models (U.S. Geological Survey Bulletin 1693} Bibliography...Geological Survey on the synthesis of mineral deposit models (as contrasted with a long line of descriptive...Erickson ( 1982) of 48 models. The 85 descriptive deposit models and 60 grade-tonnage models presented here | | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | 2 Geologic framework of Colombia 5 Selected deposit types (classification number in Appendices A and...and B) 48 Podiform chromite (1.1) 7 Porphyry copper molybdenum-rich; gold-rich (2.1, 2.2) 9 Molybdenum...climax type; low fluorine type (2.3, 2.4) 12 Copper skarn (2.6) 14 Lead-zinc skarn (2.7) 14 Massive...rocks (3.2) 18 Redbed-greenbed copper (4.1) 20 Volcanic native copper (4.2) 22 Sandstone (sedimentary)...Appendix A: Ore deposit models Dennis P. Cox, editor (86 pages) Appendix B: Mineral deposit grade-tonnage |
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