 | | Journal (article/letter/editorial) | | manganese carbonate ore deposits: Examples from Molango, Mexico, and TaoJiang, China P a t r i c k M . O k...manganese carbonate ore deposits: Examples from Molango, Mexico, and TaoJiang, China. In: P.A. Meyers, L.M...139-164. Carbonate and sulfide minerals from the Molango, Mexico, and TaoJiang, China, Mn deposits display similar...rhodochrosite. In contrast, calcite from below, within and above Mn-carbonate zones at Molango has ~3C~0% 0 (PDB)...and mineralogic characteristics from both the Molango and TaoJiang deposits, widely separated in geologic |  | | Journal (article/letter/editorial) | | at Molango (Hidalgo State, Mexico) is exclusively manganese carbonate (rhodochroaite, Mn-calcite, kutnahorite)...Stable isotope studies of the carbonates from Molango provide critical new information relevant to the...values for carbonates from mineralized zones at Molango are stro@y correlated with manganese content both...similar sepamtion of Sg3C values: 6°C values from calcite range from - 1.1 to +0.7% (PDB), whereas values...values from kutnahorite or Mn-calcite are intermediate between calcite and rhodochrosite. 13Cdata are |  | | Journal (article/letter/editorial) | | ManganeseCarbonateMineralizationin the MolangoDistrict, Mexico PATRICK m. OKITA* U.S. Geological Survey,NationalCenter...s upwardto background levels(i.e., traceMn in calcite). Chemical and mineralogicalstudiesindicate that...zone,to mixedcarbonates (Mn calcite,kutnohorite, +_rhodochrosite), to Mn calcite. Severalgeologicandgeochemicalprocesses...hydrothermalactivityassociated with the rifting of the Gulf of Mexico. Introduction MANGANESE minesof the Molangodistrictarelocated...Molangodistrictarelocated in northeastern HidalgoState,Mexico,onthe crestof the SierraMadreOriental.Theseminesarecurrently |  | | Journal (article/letter/editorial) | | nesesolubilityand locallyoccuralongtheseinter- depositat Molango, Mexico (Jurassic).Carbonate faces. Where a water column...zone) (DeGrey Member) Nikopol (carbonatezone) Molango GrooteEylandt (carbonatezone) Moanda ? Chamberlain...manganese-barite ties are alsonotedin this study(Molango,Nikopol, Batesville).We considerthese ties to other...-• • •u - o_ OXFORDmAN i!iii•iii• ! Molango, Mexico .::•i;•.•!•.•:.•ii•i•;•i, ..,' CALLOVIAN...from any basin margin where it is available. at Tetzintla, where the thickness of the ore is as The layer |  | | Book (volume) | | ECONOMIC GEOLOGY, MEXICO The Geology of North America O r > W 4^ *1^ ^ ^ \ \ f ax4 u \ \...of North America Volume P-3 Economic Geology^ Mexico Edited by Guillermo P. Salas Geologo Consultor...Centro Minero Nacional Carretera Mexico-Pachuca Pachuca, Hgo., Mexico, D.F. 1991 EXPLORATION LIBRARY...reserved. Geologia economica de Mexico. English. Economic geology, Mexico / edited by Guillermo P. Salas...; v. P-3) Translation of Geologia economica de Mexico. Includes bibliography references and index. ISBN |  | | Journal (article/letter/editorial) | | Ukraine, Georgia Groote Eylandt, Australia Molango, Mexico Xialei, China + Atasu, Kazakhstan Usinsk, Siberia...Kutnohorite (cluster) Kutnohorite (Hotazel) Mn-calcite Rhodochrosite 2.1. Sample acquisition and preparation...samples were acquired from South Africa, Brazil, Mexico, and the Japan Sea, and their depositional environments...sea core Japan Sea Pliocene-Miocene (11 Ma) Molango Mexico Upper Jurassic deposit (155 Ma) Santa Cruz...siderite, manganoan calcite/ kutnohorite, calcian rhodochrosite Rhodochrosite, manganoan calcite Continental |  | | Book | | anc MINERALS OF MEXICO 7 | : = Pras #0 AaprTTARE ; | MINERALS OF MEXICO William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogy— Collectors and collecting— Mexico. 2. Mines and...and mineral resources— Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This book...Jalisco; D. Santiago Ramirez’s La Riqueza Minera de Mexico, and his translation of Dana’s Tratado de Mineralogia...a. ie = Maes Lie Auadado = ae MINERALS OF MEXICO Vv | Oona tA. IMPORTANT MINING DISTRICTS | | | Book | | "'<' ~/ BOUNDARIES U A Mo<'« u~ o V :¾ MEXICO r - ·•-.. ·-··-··-··-·· < •• ....... V S TATES...org/details/mineralsofmexico0000panc MINERALS OF MEXICO • ERALS OF ~XICO M ______ William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogy-Collectors and collecting-Mexico. 2. Mines and mineral...mineral resources-Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This boo i...i.. is deJicated tu the people of Mexico and to the three people who directly affected me and this project |  | | Book | | come not merely from one district but from a single mine. Thus the physical properties of many rocks and...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source...from Ireland to the US Gulf Coast, gypsum from Mexico to California, and feldspar from Finland to Malaysia... Examples range from Greece to Czechoslovakia, Mexico to Canada, South Africa to Jordan, and Australia...chrysotile. One of these bodies is worked at the Advocate Mine near Baie Verte. The canoe-shaped body is contained |  | | Report (issue) | | holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence...and economic variables on viability of individual mine properties (17-18). Nonproducing deposits Producing |
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