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| Vojany, Slovakia) Head of the Department of Natural History, Eastern Slovak Museum, Košice He finished...His Ph.D. study was at the Technical University, Košice (1992). Until 1990, he worked at the Dionýz Štúr...(1983). Ph.D. study at the Technical University, Košice (2000). Since 1980, he was employed in the Herman...Poland (Ewa Kos/.owska) Romania (Gheorghe Udubasa) Slovakia (Rudolf Duda) Ukraine (Orest Matkovs'ky) 31 31...(Ewa Kos/.owska). Romania (Gheorghe Udubasa), Slovakia (Rudolf Duda). Ukraine (Victor Kvasnytsya) 127 |
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| .......................................... 52 Slovakia ( Rudo lf Ducfa) ...............................(Ewa Koszowska). Ro mania (Gheorghe Uduba~a), Slovakia (Rudolf Ducfa). Ukraine (Victor Kvasnytsya) Native...wa especially rich in specimens from the Banal region and Gutiii Mts. (fu loppite was named in his honor)...detailed. unified mineralogical encyclopaedia of the region had been planned by the Commi!.sion on Mineralogy...Verde§ (Gold Museum. Brad) - for photography. Slovakia: Eva Sitasova (Eastern Slovak Museum. Kosice) |
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| Director Bulletin 906-D GEOLOGY OF THE SEARCHLIGHT DISTRICT CLARK COUNTY, NEVADA BY EUGENE CALLAGHAN Contributions...___.-_-___-_______-_________. Outlook for the district...----____-__._-_-_-_-_______-_________. Mines...main part of the district._________ Mines and prospects in the eastern part of the district.__-_-.______...Geologic map of the main part of the Searchlight District, Clark County, Nev____._-_-_-_-._.___.-_-.__________...Nevada and Utah showing location of Searchlight district and areas covered by previous publications of |
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| districts.____-_--_-----_____-______---_ Bohemia district.._i_-_-__--_---_-_--_---___-______-_____---_--...areas and mining districts Continued. Bohemia district Continued. Mineral deposits._________________...areas and mining districts Continued. Bohemia district Continued. Mines and prospects Continued. Tall...___-_-___.-______-_-_____.__________._ Quartzville district..______-_----._______-_____-.-________-_-Location...areas and mining districts Continued. Quartzville district Continued. Mines and prospects Continued. Lawler |
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| .................................... Nicholia district.............................................................................. Spring Mountain district........................................................................................ Texas district.................................................districts of Lemhi County Continued. Page. Texas district Continued. Mines............................................................... 108 Blue Wing district.............:................................ |
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| Ceriopyrochlore Cerite Cerussite Chabazite-(Ca) Chalcedony Chalcocite Chalcomenite Chalcophanite Chalcopyrite...Zr)(Si2O7)2OF3 Hg2I2 Ag2Hg3 Pb (Zn,Cu)(OH)(VO4) chrom chalcedony Na3Ti3.6 Nb0.4(Si2O7)2O4·4(H2O) KAl2(Si3Al)O10(OH...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...two years. The economic potential of a particular region or mining camp can be deduced from the economic |
| | Journal (article/letter/editorial) |
| Ceriopyrochlore Cerite Cerussite Chabazite-(Ca) Chalcedony Chalcocite Chalcomenite Chalcophanite Chalcopyrite...Zr)(Si2O7)2OF3 Hg2I2 Ag2Hg3 Pb (Zn,Cu)(OH)(VO4) chrom chalcedony Na3Ti3.6 Nb0.4(Si2O7)2O4·4(H2O) KAl2(Si3Al)O10(OH...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...two years. The economic potential of a particular region or mining camp can be deduced from the economic |
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| 718 GEOLOGY AND ORE DEPOSITS OF THE ' CREEDE DISTRICT, COLORADO BY WILLIAM H. EMMONS AND ESPER S....14 15 15 15 16 17 17 18 General character and occurrence.................................. 18 Petrography...................... 32 General character and occurrence.................................. 32 Contacts...................... 45 General character and occurrence.................................. 45 Thickness......................... General character and occurrence.................................... Thickness |
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| .......................................... The region of nearly stagnant waters........................the copper minerals.......................... Occurrence of the copper minerals.........................the silver minerals.......................... Occurrence of the silver minerals.........................compounds...................................... 135 Occurrence of the lead minerals...........................compounds...................................... 140 Occurrence of the zinc minerals........................ |
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| GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO BY W. S. BURBANK WITH A SECTION ON...Geography _ ______________ ___-__-__ Situation of the district _ _ _________________ Topographic features. ....Previous geologic and topographic work in the district. ____ ___________._-__-______--__. Field work..._________________. Southern part of district._____-______--_ Future exploration in the district.________---__._ Mines...mine_________________________ Mines of the southern part of the district-_______ Eagle mine.--____-------___________--_--__ |
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| INTRODUCTION. reports are those on the Mercur district, by J. E. Spurr and S. F. Emmons; the Bingham...Bingham The senior author, J3. S. Butler, began district, by J. M. Boutwell, Arthur Keith, and field work on...deposits of Utah in the S. F. Emmons; the Park City district, by J. M. FIELD .WORK AND AUTHORSHIP. summer...the Plateau region. The junior author, G. F. Loughlin, began work in the Tintic district in 1911 in collaboration...the Tin tic and Thomas ranges, of the Leamington district, and of districts in theW asatch Range. Several |
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| its place of formation. A few minerals, such as chalcedony, have a special crystalline structure that does...because they con- Figure 4. Chalcedony from the Faeroe Islands. Chalcedony is not crystalline in the normal...fine-grained mass. The rock illustrated is from a region near Oslo, Norway. Samples of it were brought to...first described) or after a landscape, county, or region in which the type locality was situated. Aragonite...from St. Anthony Mine, Mammoth-Tiger 10x 18mm. District, Pinal County, Arizona, USA. Field of view: 33 |
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| Zircon Xenotime Melilite group Si02 group Quartz Chalcedony Tridymite Chabazite Minerals with uniaxial negative...Actinolite Anorthite Apatite Biotite Calcite Chalcedony Chlorite Clinopyroxene Cordierite Epidote Volcanic...skeletal forms and/or is altered to leucoxene. Occurrence: accessory mineral in most igneous rocks. It...clearly seen in altered than in fresh grains. Occurrence: it occurs together with magnetite as an accessory...very characteristic and different paragenesis. Occurrence: as a secondary mineral in igneous rocks (Fig |
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| Tectosilicates Sílica group 261 261 261 Chalcedony 262 Tridymite 264 265 Cristo bali te 266 Opal...277 e Microcline 280 Orthoclase 282 Sanidine 283 Adularia ~ 284 Anorthoclase F eldspathoids 285 Nepheline...Fe-Ti oxides SEDIMENTARY ROCKS Clastic quartz chalcedony K-feldspar plagioclase clay calcite muscovite...dolomite gypsum anhydrite halite sylvite sulfur chalcedony clastic material (see also Table 10.2) Tactics...Extreme relief and birefringence and limited occurrence are characteristic. 119 120 INTRODUCTION |
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| Mapping of Levoberezhnoye Au Deposit (Khabarovsk Region, Russia) . . . . . . . . I. Anisimov, A. Sagitova...Tin Minerals at Pravourmiysky Deposit (Khabarovsk Region) . . . . . . . . . . . . . . . . . . T. Chikisheva...Ag-Bearing Mineralization of Nevenrekan Deposit (Magadan Region, Russia) . . . . . . . . . . . . . . . . . . ....other VMS deposits occur in north eastern Pontide region, Kuroko deposits of Japan and also comparable modern...massive sulphide deposits in the eastern black sea region (NE Turkey). Bull MTA 147:73–89 Yigit O (2005) |
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| GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND...fold-fault _ Faults in the eastern part of the district 95 62 Kokomo syncline_ Faults southeast_ of _..._ Leadville 62 the_ Fryer Hill folds _ 62 district _ 95 Warping and drag along normal faults, _ _ _ 96...Vivianite _ 171 Quartz _ Brown iron oxides _ 155 172 Chalcedony and opal _ 155 Jarosite and basic ferric sulphates_...231 and relation to structural features_ _ 179 Occurrence 1 231 Relation of veins to erosion 1 180 Megascopic |
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| - - - · - - · - - - - - - · · - - - - - · 85 Occurrence .......................... - .. - . - ... - -...... ---.----.---.--.---------------- - -· 86 Occurrence ............................... ___ ... __ ....__________________________________________ -. _.- _.-- _- _86 Occurrence _________ ... _. __ ........ _. __ ..... _.....______ ... _. _. _______ .- .... _. _.. ____ _ 88 Occurrence _________ ... _. __ . __ .. _.. __ . ___ . _...___ .. __. _. _____ _ 89 General character and occurrence ___ . ___ ·... _. ____ ... ___. _. _. __ . _____ |
