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| Petrology © by Springer-Verlag 1992 Printed in Austria Shoshonitic and Alkaline Lamprophyres with Elevated...Concentrations from the Kreuzeck Mountains, Eastern Alps, Austria D. Miiller ~, E. F. Stumpfl 2, and W. R. Taylor...Geowissenschaften, Mining University Leoben, Leoben, Austria With 6 Figures Received March 22, 1991; accepted...age from the Kreuzeck Mountains, Central Alps, Austria, have been investigated petrographically and geochemically...Lamprophyre mit erh6hten Au- und PGE-Gehalten aus der Kreuzeckgruppe, Ostalpen, Osterreich Die vorliegende |
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| carbonate spars free from cobaltiferous ores, especially an 8-meter (25-ft.) vein at the diorite contact, worked...mica. The iron deposits of Dobschau still yield an annual production of about 35,000 tons, but the cobalt...' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with... known examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region |
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| NOVEMBER-DECEMBER 2018 Articles Oberdorf an der Laming, Styria, Austria ................................ ....... 843 by S. D. Redwood The origin of platinum and gold ............................................COVER: STRONTIANITE, 9 cm, from Oberdorf an der Laming, Styria, Austria. Fine Minerals International specimen...SHOWS TABULAR BLUE BERYL ON TOURMALINE DEO DARRAH MINE, NEAR PATTA GUZAR, BADAKSHAN, AFGHANISTAN 6CM TOM...STEPHANIE@STONETRUST.COM Obtrdorf an dtr Laming ~ tyria, austria Thomas P. Moore Peter Huber 2709 |
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| for within several months they asked me to render an opinion as to its suitability for translation and...neglecting the truly important European localities. As an amateur handbook, this one makes no pretense at being...method of indicating increasing quality by the use of an increasing number of exclamation points within parentheses...version are truly those intended in the original. As an outgrowth of this study a number of errors in the...renditions are all the more remarkable because he is an ardent amateur mineral collector and is therefore |
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| (Danubian fluvial placer containing platinum-group elements (PGE) and gold (Au)) are described for the first...obtained using the CCD-based CAMSIZER technique. The platinum-group minerals (PGM; iridium, osmium, unknown...ruthenium-osmium-iridium alloys, platinum-iron alloys, iridium-bearing platinum, sperrylite) have been derived...environment at the SW edge of the Bavarian Basement. Gold in the “Donauplatin” has been reworked from a “secondary”...“secondary” or intermediate repository of lateritic gold (Boddington-type). Its primary source is supposed |
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| of the text. It begins with a short foreword and an introduction, followed by a well-illustrated and...and detailed historical account of the district that includes the impact its study had on the careers of...include a number of important species for which the district is the type locality. These include microcline...currently unnamed or unknown species from the district; a list of discredited, obsolete, and doubtful...the cost. In short, this is a definitive work on an important and often overlooked group of mineral deposits |
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| Pegmatites on Dartmoor are quartz monzonite with free gold phase. RnrnnrNcrs: Brammall, A., and lfarwood, H...near Aberdeen. gneissin RrtrnnNcns: Barrow,George,On an intrusionof muscovite-biotite the South-EasternHighlands...Inrr.aNr. Localities: Carlingford-Mourne Mts. district of Louth and Down counties, and vicinity of Killiney...contaminated igneous rocks of the Carlingford district, Co. Louth: Geol.Mog., vol.69 (815), pp.209-233...nephelite syenite pegmatites are found on Seiland, an islpnd in Arctic Norway. Rnrrnrncns:Andersen, Olaf |
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| respect to gold, for example, chapters include “Gold Fever in Serra Pelada,” “The Gold Mine of Morro Velho...Auriferous Claims.” Collectively, the 9 chapters on gold (the first set in the descriptive mineralogy section)...subject. Platinum is covered next in a single mini-chapter titled “The Mysterious Origin of Platinum in Brazil...the mines at Ouro Preto, the Capão do Lana mine, and the mine at Antonio Pereira. The garnets are covered...Almost 50 pages contained in 8 mini-chapters present an excellent coverage of beryl and the beryl gems. Even |
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| crystal about I cm size, twinned crystal ( Telino Mine, Linopolis, Minas Gerais Brazil) £25 Na Be PO 4...silvery platelets and small masses (Castle Siscoe Mine, Gowganda Ontario, Canada £30 4. CUBANITE two intergrown...8mm overall size Quebec Canada) £20 (Henderson# 2 mine, 3250 level, Chibugamu, 5. NATIVE BISMUTH water...about 2cm across Vilaque, La Paz Bolivia 6. NATIVE GOLD visible grain on quartz about I cm County Michigan... USA 7. £ IO £ 18 b) quite sparse in I cm £7 Gold Blttff Prospect Maquette CHRYSOCOLLA attractive |
 | | Conference Proceedings (Volume) |
| 978-91-7403-207-9. 1882 pp. Suggested citation for an individual paper: Sundberg, N. & Karlsson, E., 2013:...Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...copper, 51 700 tonnes of silver and 1,9 tonnes of gold. Photo: Olof Martinsson, Luleå University of Technology...3D seismic interpretation and forward modeling – an approach to providing reliable results from 2D seismic...3D/4D modelling tools in exploration for epithermal gold potential areas in Eastern Rhodope zone (Western |
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| Pe > J anes ai a - i; cata Safran , Fi rl an _ ae le 2 ns ae : a : ¥ oe a 7) | ie Soe al...Newtoun Gland MO WeneGsesyaris Walbraconal roughinras an Cre en ta EEA re Pe ee reat mcr Ranctreatys Sse...Ker Cy Se de Pe eee ek Sa cee nN athe crite ea AN Pik 2 A caer erin ee ee eee COON aren ras oo Oe...HYDROTHERMAL AND MAGMATIC MINERAL DEPOSITS Page Magma, Mine,;Superior (oo. ciges Rocttactek ors eno os es snl...2ocety s icsrsta ee aes ee oe a Ra Minnesota. Bek an reeriian tte w.cotecey Oe park TronsMountain Pilot |
 | Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 | Journal (article/letter/editorial) |
| specifically, the primitive H3 Tieschitz chondrite with an age of 4550 Ma. Since the first terrestrial appearance...during the assembly of the Rodinian supercontinent, is an exception because of the absence of new Hg minerals...changing near-surface mineralogy through time, is an approach to Earth materials research that seeks to...but not yet approved by CNMNC, in which mercury is an essential or important constituent (Table 1). These...survey individual mercury minerals through time, with an emphasis on earliest appearances and temporal distributions |
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| indirectly (e.g., alteration of mine tunnel walls; weathering products of mine dumps and slag). A second human...when widespread burning of carbon-based fuels led to an increase in atmospheric CO2 (Zalasiewicz et al. 2008;...starting date, an important aspect of characterizing the Anthropocene Epoch is achieving an understanding...physical, chemical, and biological processes, but as an inadvertent consequence of human modifications to...species that occur exclusively or predominantly as an inadvertent consequence of human activities (Table |
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| Gold in Minerals and the Composition of Native Gold Gold in Minerals and the Composition of Native...Native Gold By Robert S. Jones and Michael Fleischer GEOLOGICAL SURVEY Washington 1969 CIRCULAR 612...considerations ----------------------------------------Gold in minerals ------------------------------------------------------...------------- _ Composition and the fineness of gold ---------------------------- ___ References cited...Analyses of gold in minerals made since 1954 --------------------10 4. Variation in fineness of gold with depth |
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| analysed for iridium by neutron activation analysis. An average content of 0.06 ppb iridium, positive correlations...aus dem Alpenostrand und der Ungarischen Zwischenebene sind auf Iridium mit der Neutronenaktivierungsanalyse...5-2.1 ppb Ir in three basalts from Mauna Loa and an average content of 0.2 ppb Ir for three oceanic tholeiites...from Maianae volcano, Hawaii. Greenland (1971) found an average of 0.06 ppb Ir for tholeiites of North Carolina...due to the fact that among the minerals formed in an early stage, chromium can be readily substituted |
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| (GERMAN) E D I T I O N writer, enlarged the book to an extent not permissible, and frightened t h e reader...have been approached regarding the publication of an English edition of The Ore Minerals and Their Intergrowths...Washington G. K U L L E R U D , Washington, D.C. H. VAN DER LAAN, Delft, Holland B. F . LEONARD, Denver, Colorado...were for this reason made rather detailed. They are an essential part of the contents of the book. I have...intergrowths is not only not complete but is moreover only an indication of work already accomplished, of possible |
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| Frontcover Upper left: The observatory at Kremsmunster. Austria. which houses the mineral collection. Upper right:...mineralogical cabinet of the convent at Kremsmunster, Austria. The . specimens a~e displayed m baroque furniture...important mineralogical museums in Western Europe Austria Belgium Denmark Finland France Germany (Federal...revival of interest. Collecting minerals has become an increasingly popular hobby among people from all...on display, representing 100-200 mineral species: an exception is the mining museum of Kongsberg, Norway |
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| ARTICLE THE MINERAL INDUSTRY OF INDIA NOTES THE PLATINUM POSITION, WITH SPECIAL REFERENCE TO THE TRANSVAAL...remarked that the Government Geologist estimates that if an average deptl1 of 7 ft. of workable ore be assumed... 53·48; ferric oxide, 12·23 ; silica, 2·12. Such an ore would be of much better quality than one represented...therefore, that the quality of the bauxite in this district tends to decrease after a depth of about 6 ft...objectionable if present to the extent of more t,h an 4 per cent. It appears, therefore, that of the present |
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| Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Atlases in Geoscience...Geoscience 3 THE ORE MINERALS UNDER THE MICROSCOPE An Optical Guide Second Edition Bernhard Pracejus Sultan...environment that has not yet been examined adequately. An example for such a situations can be seen in euhedral...(previous and new) were electronically enhanced through an increased resolution (not sharpness) to counter fuzziness...al. (1999), Naldrett (2005), Strunz et al. (1958). An enormous wealth of data regarding mineral associations |
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| heading paper of the issue is by Vasiliy N. Orlov "Platinum Nuggets from the Diamond Fund of the Russian Federation:...History" where the author describes in detail the platinum nuggets displayed in the Diamond Fund, and reveals...pointed owervise, 2010 ci ci Front Cover Photo Platinum nugget. 15.1 x 11.3 x 6.5 cm, 4 760.4 g. The Diamond...The Duke Leuchtenberg Collection, Museum "Reich der Kristalle", No 18205, Munich. Photo: Michael Leybov...Web-site: www.minbook.com I Vasiliy N. Orlov Platinum Nuggets from the Diamond Fund of the Russian Federation: |
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| Cavoite CaV3O7 O RTHORHOMBIC Locality: Gambatesa mine, near Reppia, northern Appenines, Val Graveglia...rhodochrosite ± quartz. Another associated mineral is an unidentified silicate. General appearance: Very rare...Cavoite, CaV3O7, a new mineral from the Gambatesa mine, northern Appenines, Italy. European Journal of...CuCd2Al3(PO4)4F2(H2O)10(H2O)2 T RICLINIC Locality: Gold Quarry mine, 11 km northwest of Carlin, Eureka County...new Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada. Mineralogical Record |
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| .................. 50 4.2 Unidentified Non-Platinum-Group Phases ...................................................................... 72 7. PLATINUM-GROUP TYPE MINERALOGY- GENERALTRENDS AND COMPARISONS............................................... Platinum-Group ACKNOWLEDGEMENTS ........................................... 1 02 103 APPENDIX Ill - PLATINUM-GROUPMINERALOGYOF THE RUSTENBURG LAYEREDSUITE...Provinces). Sixteen (16) of the valid species are platinum-group minerals mostly from the Rustenburg Layered |
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| [(OH)5 (P04)4]' 6 H20 (monoclinic, brown) Rotlăufchen Mine near Wetzlar/FRG Original size 5 x 6 mm ISBN-13:...The magic of minerals. Translation of: Zauberwelt der Mineralien. Includes index 1. MinII. Title. QE eralogy...German edition: O. Medenbach . H. Wilk: Zauberwelt der Mineralien © 1977 Sigloch Edition, Kunzelsau, Zurich/Mănnedorf...extremely thin. If one were to compare the earth with an apple, the crust would be about as thick as the apple's...of the crust in mines. The deepest mine shafts are those of the gold mines in the Witwatersrand region |
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| the third edition Introduction Australia ...... Austria ....... Azerbaijan Republic Belarus Republic ....Secretary. Both have fulfilled this formidable job in an excellent way. We are well aware that this first... city, and institution name. The English form of an institution's name, official or constructed for the...criterion for inclusion in the directory, even though an effort has been made to present information concerning...Minerals: 600. Rocks: 1,600. Specialties: Although mainly an Australia-wide collection, a significant part of |
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| ROCKS AND MINERALS Michael O’Donoghue GALLERY BOOKS An Imprint of W. H. Smith Publishers Inc. 112 Madison...published in the United States 1990 by Gallery Books, an' imprint of W. H. Smith Publishers, Inc., 112 Madison...museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...the field is the natural glass obsidian. This forms an amorphous material since cooling is too quick for...heat and pressure are accompanied by gases preceding an intrusion the existing sedimentary rock may alter |
