 | Miekeley, N., Coutinho de Jesus, H., Porto da Silveira, C.L., Degueldre, C. (1992) Chemical and physical characterization of suspended particles and colloids in waters from the Osamu Utsumi mine and Morro do Ferro analogue study sites, Poços de Caldas, Brazil. Journal of Geochemical Exploration, 45 (1) 409-437 doi:10.1016/0375-6742(92)90133-s | Journal (article/letter/editorial) | | Osamu Utsumi mine and Morro do Ferro analogue study sites, Pogos de Caldas, Brazil N. M i e k e l e y a...a, H . C o u t i n h o de Jesus% C.L. P o r t o d a S i l v e i r a ~ a n d C. D e g u e l d r e b "Department...Pontifical Catholic University, 22453, Rio de Janeiro, Brazil bPaul Scherrer Institute, CH-5232 Villigen...revision 7 May 1992) ABSTRACT Miekeley, N., Coutinho de Jesus, H,, Porto da Silveira, C.L. and Degueldre...Osamu Utsumi mine and Morro do Ferro analogue study sites, Poqos de Caldas, Brazil. In: N.A. Chapman, I |  | | Book (edition) | | Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara, Brazil, H Rhodocbrosite, polished, 50 mm, Capillitas,... China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia...Ethiopia, G Page 12: Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California..."Dana's System of Mineralogy•· ( 1944, I 951, 1962). de Fourestier (1999) and Strunz and Nickel (2001). Mi11eral...ASG -Archives de Science Geneve BM - Bulletin de la Societe fram;aise de mineralogie et de cristallographie |  | | Book | | of Iron-Formation Supergene Iron Ores of Minas Gerais, Brazil ELSEVIER PUBLISHING COMPANY-Carbonate Rocks...455-462 (1964-1965) Supergene Iron Ores of Minas Gerais, Brazil (abstract) Econ. Geol., 59(7), 1204 (1963)...is made difficult by the fact that similar rocks do not appear to be forming today. Introduction Almost...the materials. It appears that volcanic solutions do indeed locally cause some iron enrichment in ...minéraux de la France. Les minerais de fer oolithique de la France, Fasc. II: Minerais de fer secondaire: |  | | Book (edition) | | International Symposium on Carbonatites in Pocos de Caldas, Brazil for which this writer was keynote speaker... Pakistan, Quebec, Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites...Quebec and Araxa, Brazil) and important sources of P, Ti, Cu and CaCO; (Jacupiranga, Brazil). In addition...Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa India...Survey and H. S. de Schmid (1912) Figure 12-4 : Canadian Geological Survey and H. S. de Schmid (1912) Figure |  | | Book | | present level of exposure. Even when veins 1008 do occur within or in the proximity of a "granite",... because most postmagmatic hydrothermal deposits do occur in the proximity, in the aureole of igneous...Paredes J.) in Bellido and de Montreuil (1972). Abbreviations: CP=Cerro de Pasco; M=Morococha; Ml=Mala...around the Andean Batholith of Peru (Bellido and de Montreuil, 1972; Putzer, 1976; Hollister, 1978) is...major Pb,Zn,Ag replacements and veins (e.g. Cerro de Pasco, Casapalca; Chapter 26), all marked by intensive |  | | Journal (article/letter/editorial) | | Psilomelane Pumpellyite Pyrargyrite Pyrite Pyrochlore Pyrolusite Pyromorphite Pyrophyllite Pyroxmangite Pyrrhotite...orientation of individual veins is often seen, they do not show up in platform sediments far off the uplifted...control on the aerial extension of these veins which do not reach very deep into the host rock underneath...which sometimes are enriched in inorganic compounds do not directly fit in this differentiation scheme and...classification scheme like this, these man-made raw materials do not fit in, even if they are primarily derived from | | | Journal (article/letter/editorial) | | Psilomelane Pumpellyite Pyrargyrite Pyrite Pyrochlore Pyrolusite Pyromorphite Pyrophyllite Pyroxmangite Pyrrhotite...orientation of individual veins is often seen, they do not show up in platform sediments far off the uplifted...control on the aerial extension of these veins which do not reach very deep into the host rock underneath...which sometimes are enriched in inorganic compounds do not directly fit in this differentiation scheme and...classification scheme like this, these man-made raw materials do not fit in, even if they are primarily derived from |  | | Book | | production, reserves, and utilization of met allic mineral de posits throughout the world bas changed materially...they will be referred to collectively as mineral de posits. Since the history of the origin and accumulation...such a manne r that o pe nings favorable for ore de pos iti o n occur (Fig. 2-6) , w he reas incompete...tend to yield plastically or by fl owage and thu s do no t prov ide openings favorable for o re d eposition...of values or occurrence of shoots in metalliferous de posits , Econ . G eology, vol. 3, pp. 143- 145. 34 |  | | Book | | A. F. Corey, M. S. Corey, R. 'l\T. Deane, A. P. De Carvalho, L. F. Dellwig, M. Deul, S. B. Dickinson... . . . . . . . . . . . . . . . . . . . . . . . Brazil . . . . . . . . . . . . . . . . . . . . . . . ......... . ..... . ........ . ................ . Brazil ...... . .... .... ............... .. ....... ...all com.ets are turned from the, sun. I do not knoiv why they do this, whether it is etiquette among thern...oxides, hydroxides, oxygen salts, and silicates. They do not occur naturally as native elements, sul:6des |  | | Book (edition) | | es: CW DB DE DG DJ DK DM DO DP DS EB EO EE FM GD GG GH GM Arnold Hampson David Baker Ben De Witt William... All faces or other surfaces on a given mineral do not necessarily exhibit the same luster. Some minerals...more references where all references are inadequate, do not contain good bibliographies, or are in conflict...CLASS: 4/mmm SPACE GROUP: P4/ncc; P4/nmm(Pseudo) Ve De LATTICE CONSTANTS: Ga tae 9908 3 STRONGEST DIFFRACTION...in a calcite matrix Mendoza, Argentina. at Cerro de Cacheuta, SELECTED REFERENCE: Deer, Howie, and Zussman | | | Book (edition) | | Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens from the collection of Eugene and...figure caption code. Arnold Hampson David Baker Ben De Witt William Larson Carlos Barbosa Cal and Kerith...Mines cw Charles and Marcelle Weber DB Dan Behnke DE Demetrios Pohl DG Richard Graeme DJ D. K. Jones Douglas...Douglas K. Miller DK Arizona-Sonora Desert DM Museum DO = "Donald Olson Delma Perry DP DS David Shannon EB...forth. All faces or other surfaces on a given mineral do not necessarily exhibit the same Juster. Some minerals |  | | Book | | present level of exposure. Even when veins 1008 do occur within or in the proximity of a "granite",... because most postmagmatic hydrothermal deposits do occur in the proximity, in the aureole of igneous...Paredes J.) in Bellido and de Montreuil (1972). Abbreviations: CP=Cerro de Pasco; M=Morococha; Ml=Mala...around the Andean Batholith of Peru (Bellido and de Montreuil, 1972; Putzer, 1976; Hollister, 1978) is...major Pb,Zn,Ag replacements and veins (e.g. Cerro de Pasco, Casapalca; Chapter 26), all marked by intensive |  | | Book | | perspective of the modeling specialty, and some that do are so terse and technical as to discourage the average...Géologique at Ecole Nationale Supérieure des Mines de Paris in Fontainebleau, France. I began writing...(eetince iNivaw the Senne 270 ae ’ i cee eaean de lai : : JOT- i : aie, Pidtcade sae Pee HT...equivalent to the equilibrium constant approach, and do not discuss them as a separate group. 6 GEOCHEMICAL...thermodynamic basis for the equations I derive, but do not attempt a complete development of the field of |  | | Book (edition) | | etc. All faces or other surfaces on a given mineral do not necessarily exhibit the sa1ne luster. Mode of...references where all references are inadequate or do not contajn good bibliographies or are in conflict...text. Our procedure was changed, in part, because we do not want to represent this book as the best reference...another matter: I do not quite know how my love for the microscope began, but I do know about the 1ninerals...intergrown with clausthalite in a calcite matrix at Cerro de Cacheu ta, Mendoza, Argentina. BEST REF. IN ENGLISH: |  | | Report (issue) | | -----------------------------Mineral potential: 1Nhere do 1Ne stand? --------Lo1N-grade ores and the environment...civilization and standard of living? (2) how much of it do we have and to what extent is it economically and...our supply of any minerals unlimited? Of which ones do we have very little, or are we likely to run out...question to which the volume is directed : Where do we stand with regard to resources of each commodity...research along many lines. MINERAL POTENTIAL: WHERE DO WE STAND? Each chapter of the volume has its own |  | | Book (edition) | | Cheney, F. W. Christiansen, W. J. Christiansen, G. de V. Klein, E. Erickson , M. P. Erickson, R. R. Shrock...industrial way of life. Mineral resources have much to do with man, and man with mineral resources. It is startling...mineral resources, such as ,Russia, Australia, and Brazil. It is no accident that great industrial centers...had difficulties in the Industrial Revolution. Brazil has much iron ore but little coal. India has much...expressed with the knowledge that simple solutions do not solve complex problems. Energy There will be |  | | Report (issue) | | fields of competence for other Federal agencies that do not have the required specialized staffs or scientific...Mississippian and probable Devonian 28 age in the Sangre de Cristo Mountains-----28 Geology of parts of Nebraska...Diamond deposits in Bahia, Brazil._______________ 53 Uranium in the Serra de Jacobina, Bahia, Brazil____...and zinc deposits near Philipsburg, Montana Pyrolusite, cryptomelane, todorokite, chalcophanite, hetaerolite...stilbite-like zeolite, manganese oxides (cryptomelane, pyrolusite, and manganite), hematite, and limonite. The |  | | Report (issue) | | countriesiron-ore deposits, Minas Gerias, Brazil ____________ Lead-zinc deposits, Bahia, Brazil _________________...York Subsurface stratigraphic studies by Wallace de Witt, Jr., show that the Genesee, Sonyea, West Falls...and the gravel is removed only during floods that do not run off underground. Surface-water studies in...originally shale, sandy shale, and calcareous shale, and do not contain the large amount of greenstone and conglomeratic...pumping. Unpumped areas cover nearly as much land as do pumped areas and represent sites of possible new |  | | Report (issue) | | Bolivia, ____________________ __ ___________ 178 Brazil- -___--____----------__-__-__-_--- _ 178 Colombia...one flake per sample. Thus, the sampled formations do not seem to contain concentrations of gold of economic...Antimony (elemental) _____ _ ___.. thousand short tons _ do Arsenic (As203) ______ _ _ Asbestos __ .- _ -________...___ do Beryllium (equivalent beryl) _ _ _ _ _ .thousand long tons Bismuth--.. ----__ _ _ ___ do Borates...short tons Bentonite.---. _ -________--_-___ -. -do __ Fuller's earth,. ... ________ ___.____--__-__---_do--__ |
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