 | | Journal (issue) | | Number 67 BRITISH GEOLOGICAL SURVEY Number 67 The El Oro metamorphic complex, Ecuador: geology and economic...rejerence Aspen,JA, Bonilla, W, and Duque, P. 1995. The El Oro metamorphic complex, Ecuador: geology and economic...Sub-province I 6 Tahuin semi-pelitic division 6 El Tigre unit 6 La Victoria unit 6 Depositional age of...La Bocana unit 10 La Florida unit 13 Marcabeli and El Prado plutons 13 Age of La Bocana unit and Marcabelf...Palenque melange division 32 Rio Panupali unit 32 El Toro unit and unnamed serpentinites 36 Strncture |  | Litherland, M., Annells, R. N., Appleton, J. D., Berrangé, J. P., Bloomfield, K., Burton, C. C. J., Darbyshire, D. P. F., Fletcher, C. J. N., Hawkins, M. P., Klinck, B. A., Llanos, A., Mitchell, W. I., O'Connor, E. A., Pitfield, P. E. J., Power, G., Webb, B. C. (1986) The geology and mineral resources of the Bolivian Precambrian shield. Overseas Memoir 9. British Geological Survey | Report (volume) | | Litherland, R. N.Annells, ]. D. Appleton, J.P. Berrange, K. Bloomfield, C. C.J. Burton, D. P. F. Darbyshire,...Suro., No. 9. Authors M. LtTHERLANO, BERRANCE, K. R. N. ANNELLS,J. BLOOMFIELD, D. P. F. D. APPLETON...and post-orogenic rock units 71 The Rincon del Tigre Igneous Complex 71 Granitoids 72 Mi gmacites 73...Santiago groups 92 The El Prado Formation 92 Mesozoic 93 92 84 IV The El Port6n Group 93 The Velasco...131 Magnesite 132 Mica 132 Nepheline syenite and feldspar 132 Phosphate 132 Quartz 133 Semi-precious stones |  | | Report (issue) | | Hu1nan aspect 3 Access 3 Previous geological work 3 Mining history 4 Project operations 5 Reports and maps...and skarns 33 Alao terrane 36 Alao-Paute unit 36 El Pan unit 38 Maguazo unit 39 Guamote terrane • 41...associated structures 62 Tectonics and K-A r resetting 62 Seven Geology of the El Oro metamorphic belt 64 Palaeozoic...Palaeozoic and Triassic rocks 64 El Tigre unit 64 La Victoria unit 66 Moromoro granites 66 Piedras arnphibolites...Jurassic-Lower Cretaceous rocks 69 Palenque unit 69 El Oro ophiolitic co1nplex 69 Tecconometarnorphic events |  | | Report (issue) | | Gavilanes Tungsten District El Antimonio District Magdalena District Cananea District Preliminary Deposit-Type...or to a group of closely-spaced deposits. Two district records have been included (MX00018 and MX02161)...or names of individual orebodies. DISTRICT/AREA Informal district name used in the literature. Names...economic interest. MINOR: Coproducts or byproducts of mining. POTEN: Commodities that have not been exploited...geologic inferences only ("inferred ore"). The mining industry terms "proven", "probable", and "possible" |  | Riel, N., Guillot, S., Jaillard, E., Martelat, J.-E., Paquette, J.-L., Schwartz, S., Goncalves, P., Duclaux, G., Thebaud, N., Lanari, P., Janots, E., Yuquilema, J. (2013) Metamorphic and geochronogical study of the Triassic El Oro metamorphic complex, Ecuador: Implications for high-temperature metamorphism in a forearc zone. Lithos, 156. 41-68 doi:10.1016/j.lithos.2012.10.005 | Journal (article/letter/editorial) | | Metamorphic and geochronogical study of the Triassic El Oro metamorphic complex, Ecuador: Implications for...the Andean active margin in southwest Ecuador, the El Oro metamorphic complex exhibits a well exposed tilted...constrain the pressure–temperature (P–T) evolution of the El Oro metamorphic complex during Triassic times. Our...region of the Andean margin of southwest Ecuador, the El Oro metamorphic complex (Fig. 1) exhibits a continental...continental sequence composed of metasediments (El Tigre and La Victoria units), partially molten metasediments |  | | Report (volume) | | Canada and for carbonate-hosted zinc in east Tennessee. As the older ideas have been replaced, additional...rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...-----------(34b) Regionally metamorphosed rocks K. Derived mainly from eugeosynclinal rocks Low-sulfide |  | 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) | | complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in...the Eastern Cordillera at the California-Vetas District (Domain 23) (Sillitoe and others, 1982). Undiscovered...their dense quartz stockwork, stable potassium feldspar in altered rocks, and yellow ferrimolybdite stains...each of which contains minor copper deposits. The El Rincon deposit, in undivided Mesozoic red beds, consists...successful in exploration of the Viburnum Zn-Pb district of southeast Missouri, U.S.A. (Pratt, 1981). Electromagnetic |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...who differ only in the major element present: Ca, K, Mg, Na, or Sr. Older references are unaware of the...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could |  | | Book (edition) | | structures .694 ListJ Metamorphic rocks.696 List K Sedimentary structures .697 List L Minerals .699 ListM...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they |  | Izaguirre, Aldo, Iriondo, Alexander, Kunk, Michael J., McAleer, Ryan J., Atkinson, William W., Martínez-Torres, Luis M. (2017) Tectonic Framework for Late Cretaceous to Eocene Quartz-Gold Vein Mineralization from the Caborca Orogenic Gold Belt in Northwestern Mexico*. Economic Geology, 112 (6) 1509-1529 doi:10.5382/econgeo.2017.4519 | Journal (article/letter/editorial) | | 20192, USA of Geological Sciences, University of Colorado at Boulder, Boulder 80309, Colorado, USA of Geology...Colorado School of Mines, Golden 80401, Colorado, USA 6 Departamento de Geodinámica, Universidad del...production (e.g., La Herradura, San Francisco-Llano, El Chanate, Soledad-Dipolos, and Noche Buena) that,...Tajitos 30° ja Age ~68–64 Ma Hillsboro lif Ca El Boludo San Manuel New Mexico Red Mountain orn...San Judas Cumobabi ia La Colorada Tres Piedras El Arco a Piedras Verdes o f Batopilas C o La |  | Moquet, Jean-Sébastien, Crave, Alain, Viers, Jérôme, Seyler, Patrick, Armijos, Elisa, Bourrel, Luc, Chavarri, Eduardo, Lagane, Christelle, Laraque, Alain, Casimiro, Waldo Sven Lavado, Pombosa, Rodrigo, Noriega, Luis, Vera, Andrea, Guyot, Jean-Loup (2011) Chemical weathering and atmospheric/soil CO2 uptake in the Andean and Foreland Amazon basins. Chemical Geology, 287 (1) 1-26 doi:10.1016/j.chemgeo.2011.01.005 | Journal (article/letter/editorial) | | Marañon tributaries include the Pastaza, Santiago, El Tigre and Huallaga Rivers. The Pastaza and Santiago...Cordillera and join the Marañon River on the north. The El Tigre River drains the northern Foreland area and joins...Aguarico Napo Santiago Marañón Pastaza Huallaga El Tigre Marañón Ucayali Ucayali Amazonas Solimoes Beni...method. Major element concentrations (Ca, Mg, Na, K, Cl, SO4, HCO3, and Si) were determined in the La...nephelometry, Ca2+ and 4 Mg2+ by atomic absorption, Na+ and K+ by flame spectrometry and Si 5 by ammonium molybdate |  | | Book | | of the] FM-TGMS-MSA Wulfenite Symposium (chairman: K. Wenrich) 21:98100 Abstracts of the FM-TGMS-MSA Symposium...(chairman: K. Wenrich) 22:65-69 [Abstracts of the] FM-TGMS-MSA Symposium on Garnet (chairman: K. J. Wenrich)...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298 |  | | Book (edition) | | List J NiptaiOLOLike SOCKS. : aay 23 Wales List K Sedimentary structureS..............0-seee sees 497...The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names....term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...North America from the broader terms of Hanover County. There is no reciprocal entry for each broader |  | Litherland, M., Annells, R.N., Darbyshire, D.P.F., Fletcher, C.J.N., Hawkins, M.P., Klinck, B.A., Mitchell, W.I., O'Connor, E.A., Pitfield, P.E.J., Power, G., Webb, B.C. (1989) The proterozoic of Eastern Bolivia and its relationship to the Andean mobile belt. Precambrian Research, 43 (3) 157-174 doi:10.1016/0301-9268(89)90054-5 | Journal (article/letter/editorial) | | C.J.N. F L E T C H E R ~, M.P. H A W K I N S 1, B.A. K L I N C K 1, W.I. M I T C H E L L 4, E.A. O'CONNOR'...non-hypersthenic granoblastic rocks such as major belts of K-feldspar and plagioclase leptites with lesser basic/calc... I I I 87Sr/86Sr 0.860 -- _ J o ~ "/" c~\/ £&k~ ~t,¢,7 • Basicand enderbitic Hypersthenegranulites...the metamorphic basement (Fig. 3) and the regional K-Ar geochronology 163 i i i /// i i 87Sr/86Sr...i 4 6 8 10 12 (f) Orobayaya Granite (e) El Tigre Alkaline C o m p l e x i /// 0.750 v i 87Sr/86Sr |  | | Conference Proceedings (Volume) | | copper mine in the very north of Sweden. Mining operations started in 1968 and the current mining depth.................. 937 Jens C. Ø. Andersen, Gavyn K. Rollinson & Duncan Pirrie The Ioko-Dovyren layered...the Bathtub intrusion (Duluth Complex, Minnesota, USA) .. ...............................................Kawishiwi intrusion, Duluth Complex, Minnesota, USA . . ...............................................analysis Dora Kavecsanszki, Kathryn R. Moore, Gavyn K. Rollinson, Frances Wall & Paul A.J. Lusty Platinum |  | | Book (volume) | | Cover Photo: Chapter 20. 10 La Caridad Copper Mine, I. Salas, Guillermo P. 90-28579 ■ Sonora. 98765432...and mineral deposits of the El Boleo copper mine, Santa Rosalia district, Baja California Sur . Ivan...Topia Mining District . H. Monje H. 215 23. Geology of the Tayoltita Mine, San Dimas District, Durango...26. Economic geology of the Santa Eulalia Mining District, Chihuahua . D. Maldonado E. 241 24. Economic...Economic geology of the San Martin Mining District P. Olivares R. Contents V 27. Geology and mineralization |  | | Report (issue) | | University of Pittsburgh Pittsburgh, Pennsylvania 15260 USA Jonathan A. Nourse Department of Geological Sciences...91768 USA James W. McKee Department of Geology University of Wisconsin Oshkosh, Wisconsin 54901 USA Maureen...Geophysics University of Wyoming Laramie, Wyoming 82071 USA ae THE GEOLOGICAL SOCIETY, OF AMERICA Special Paper...Place, PO. Box 9140 ® Boulder, Colorado 80301-9140 USA 2005 Copyright © 2005, The Geological Society...Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA. Copyright is not claimed on any material prepared |  | | Journal (article/letter/editorial) | | California Institute of Technology, Pasadena, CA 91125, USA. *Email: chi@gps.caltech.edu Nanomineralogy is the...Pacific M. L. MACHESKY *, D. J. WESOLOWSKI , M. K. RIDLEY3, M. P#EDOTA4, Z. ZHANG5, P. A. FENTER5 6...Illinois, Illinois State Water Survey, Champaign IL, USA, (*correspondence: machesky@illinois.edu ) 2 Oak...Ridge, TN, USA (dqw@ornl.gov) 3 Texas Tech Univ., Dept. of Geosciences, Lubbock, TX, USA, (moira.ridley@ttu...Argonne National Laboratory, Argonne, IL 60439, USA (zhanzhang@anl.gov, Fenter@anl.gov) 6 The Pennsylvania |  | | Journal (article/letter/editorial) | | San Felipe; 6, San Quintín; 7, El Mármol; 8, Sierra Calamajué; 9, El Rosario; 10, Santa Rosaliita; 11...11, Nuevo Rosarito; 12, Guerrero Negro; 13, El Arco; 14, San Andrés volcanic–plutonic complex; LP, La...study area. Abbreviations: RO, Rosarito pluton; SA, El Sacrificio pluton; RO + SA, Nuevo Rosarito plutonic...al. (1999a); K(2003), Kimbrough and Moore (2003); K(2010), Kohel and Kimbrough (2010); K(2014), Kimbrough...extending from the Agua Blanca fault at ~31.5° to the El Arco region at ~28°N (Figure 1a). It consists mainly |  | | Report (issue) | | Regional Surveys in the Southern Uplands, the Lake District, East Anglia and the Worcester Basin. Here, aspects...options, as only such a survey can do, such that UK mining cornpanies can concentrate their interests on the...Provincial Geological Surveys concerned only with district geological surveying, but additionally a 'Federal...(London) until accommodation is built at Keyworth. District Offices in Belfast, Aberystwyth, Exeter and Newcastle-upon-Tyne...postings), in Edinburgh of about 250, and in the District Of fices and Observatories of about 50. Such |  | | Book | | (UK) John I lowc (UK) ick Robins (U K ) J in1 G ri rfi ths (U K ) Phil Lear (UK) Jonathan Turner (UK)...(UK) Societ) Books Advisors Mike Brown (USA) Jon Gluyas (UK) Randell Stephenson (Ne Lherlands) Reto Giere...\t ,'-.\ ) \\,I, ,,, 1hk,t 11, ' l II,, 1 , , , ,k,1 n,llh'n.tl ,,,,,,],, '1,.1I ,,,,·,,t, nth,•,,,,...'ltll,-l 111,· , ,,,'\\'\\ ' dh' l h l,l\11'11,d k II l\'d ,l 1-l I' ''"'''h' 1, ,,,, 1,·1, ,,, ,,,1...1k111 l 11r,,,,. k. I un)p{· \., ,I,, , , ,1,·1,'I\ ' ,· 1,,\\,1\11' ,•,1,I,·, ,'llh1,k 1'1-· l h l ,, |  | | Report (issue) | | Place, P.O. Box 9140 Boulder, Colorado 80301-9140 USA 2007 Copyright © 2007, The Geological Society...Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA. Copyright is not claimed on any material prepared...Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA www.geosociety.org Printed in U.S.A. GSA Books Science...epithermal deposits of México, examples of which have a mining history going back to pre-Columbian times. The...Yale University, New Haven, Connecticut 06520-8109, USA ABSTRACT The Sierra Madre Occidental is the result |  | | Book | | Sciences, University of Florida, Gainesville, FL, USA Barry P. Kohn School of Earth Sciences, University...Department, University of Michigan, Ann Arbor, MI, USA Kyoungwon Min Department of Geological Sciences,... University of Florida, Gainesville, FL, USA Santiago Noriega Universidad Nacional de Colombia, Facultad...Sciences, University of Florida, Gainesville, FL, USA Pedro A. Restrepo-Pace Oilsearch Limited, Sydney...year Large Ion Lithophile Elements xxi xxii LOI K-(feld)spar Ka km m mm mg/kg Ma m.y. M MALI MMT MORB |  | | Report (issue) | | INSTITUTE OF MINING, METALLURGY AND PETROLEUM COPYRIGHT © 2002 CANADIAN INSTITUTE OF MINING, METALLURGY...Elements. Edited by L.J. Cabri. Canadian Institute of Mining, Metallurgy and Petroleum, Special Volume 54, p...relationships at the currently operating Lac de Iles mine (Ontario), the Marathon deposit in the Coldwell...(Ontario), and the formerly producing Salt Chuck mine (Alaska). They, thus, cover a range of deposit types...mineralization models. They also review the history of mining in the area and PGE production, reserves and resources |  | | Report (issue) | | Northern Lesser Antilles, Caribbean 14-08-0001-19744 K. H. Jacob, and W. R. McCann Lamont-Doherty Geological...can begin during the next reporting period. W. H. K. Lee and J. N. Taggart discussed events list data...earthquakes with ML >^ 5 that will be relocated by W. H. K. Lee. 3. Lee has made preliminary HYP079 relocations...after 1900: AREA DATE MAGNITUDE Imax San Diego County 24 February 1892 6.7 VIII-IX Santa Barbara...7.1 VIII Los Angeles County 8 December 1812 6.9 VII Los Angeles County 9 February 1857 7.9 IX+ |
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