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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) |
 | | 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...Smithsonite Smythite Sodalite Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group minerals...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 |
| | 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...Smithsonite Smythite Sodalite Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group minerals...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 |
 | | Report (volume) |
| ORE DEPOSITS OF THE BAYARD AREA, CENTRAL MINING DISTRICT, NEW MEXICO BY SAMUEL G. LASEY Prepared in cooperation...ORE DEPOSITS OF THE BAYARD AREA, CENTRAL MINING DISTRICT, NEW MEXICO By SAMUEL G. LASKY ABSTRACT This...in the southwestern part of the Central mining district, Grant County, N. Mex. Practically the entire...deformed the rocks. Numerous faults traverse the region, and the fault assemblage in the Bayard area consists...wide. This zone 2 BAYAED AREA, CENTRAL MINING DISTRICT, NEW MEXICO is part of a northeastward-trending |
 | | Report (volume) |
| 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 |
 | | Report (issue) |
| Calcite ___________________________________ _ Chalcedony _______________________________ _ Chalcopyrite...Specularit€ ________________________________ _ Sphalerite _________________________________ _ 28 29 30...Sketch of part of the Dromedary vein showing chalcedony in quartz_______________________________________...the areal geology and studied the mines of the district in 1894, and the accompanying geologic map (pl...been found. The major geologic feature of the district is a body of early Cretaceous granodiorite 5 miles |
 | | Report (issue) |
| 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.--____-------___________--_--__ |
 | | Report (volume) |
| .......................................... 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........................ |
 | | Report (volume) |
| 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 |
 | | Report (volume) |
| 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 |
 | | Report (volume) |
| .................................... Nicholia district.............................................................................. Spring Mountain district........................................................................................ Texas district.................................................districts of Lemhi County Continued. Page. Texas district Continued. Mines............................................................... 108 Blue Wing district.............:................................ |
 | | Book |
| 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...x 4) {hkl} or {hkl} consisting of 24 faces. Sphalerite and tetrahedrite, the latter being named after |
 | | Report (issue) |
| Professional Paper 177 THE GOLD HILL MINING DISTRICT U'TAH BY T. B. NOLAN UNItED STATES GOVERNMI£NT...______ ___ ___ ___ _ __ ____ ___ ______ Clifton district _ _ __ History of mining and production__ ___...119 II Mines and prospects-Continued. Clifton district-Continued. Mines and prospects-Continued. Veins...Evans__________ _________________ Willow Springs district. ____ __ _ __ ___ _ ____ ___ History and production_________...ciated arsenopyrite veined by pyrite, quartz, sphalerite, and galena, U.S. mine; C, Pol ished section |
 | | Journal (issue) |
| __________________________ 288 Lab Notes A new chalcedony treatment • DiamondView indicates treatment in...Afghanistan • Pseudo-chatoyancy and -asterism in sphalerite from Spain • New find of pink-to-red tourmaline...strong indicator of HPHT treatment. Concerning the occurrence of the “cage” effect in natural (untreated) diamonds...Kashmir (in what is now the Indian part of the region) in 1881 after a landslide revealed the blue gems...(Atkinson and Kothavala, 1983). Although the Kashmir district has been at the center of a hostile border dispute |
 | | Book |
| the earlier history, indeed the prehistory, of a region. Conglomerates speak of a time when high nearby...Fracture: Color: sparkling. RUTILE Color: SPHALERITE COLOR submetallic. 4—4.5; can be scratched...prismatic. Fracture: shell-like, uneven to poor. CHALCEDONY Luster: waxy. Hardness: 7. Cleavage: none. Fracture:...perfect cubic. shell-like, brittle. Fracture: CHALCEDONY Luster: waxy. Hardness: Cleavage: GYPSUM ... ZA aX Description of Minerals Actinolite Occurrence: Occurs generally in crystalline schists and |
 | | Report (issue) |
| 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_...the sulphide zone _ 174 Claylike material _ 156 Sphalerite (zinc blende) _ • 175 Calcite.. _ 157 In the |
 | | Book |
| 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) . . . . . . . . . . . . . . . . . . ....and framboidal textures were identified. Pyrite, sphalerite, marcasite, chalcopyrite, bornite, galena, t...of Cerattepe VMS deposit comprises of pyrite, sphalerite, marcasite, chalcopyrite, bornite-idaite, galena |
 | | Report (issue) |
| Paper 172 GOLD QUARTZ VEINS OF THE ALLEGHANY DISTRICT CALIFORNIA BY HENRY G. FERGUSON AND ROGER W...Plagioclase ___________ Barite. ________-__--Chalcedony __________ Carbonate and sericite. Apatite. _..._______________ Rutile ____ _ ____ .._____.. Quartz, chalcedony, and opal Gold. ___________ _ ---____-_-__--_-_...Independence mine__-__-J__-----------Future of the district.... _____________ _^_ _______ Index, ___________'____________...ILLUSTRATIONS PLATE Fage 1. Geologic map of the Alleghany district, California._,.____-____-______-__-_______--_____-__-_--_-_-_- |
 | | Report (issue) |
| .......................... . Situation of the district .................................................................. . Physica.l features of the region ....................................................................... General geology of the district .......................................................................................... . Occurrence and distribution ..............................40 41 41 4 CONTENTS. General goology of the district-Continued. Structure ........ ~ . . . . . . . |
 | | Report (edition) |
| additional occurrences of emerald, opal, agate, chalcedony, organic gems, tiger eye jasper, aragonite, cordierite... FRONTISPIECE Tiger iron from the Ord Ranges, Pilbara region, displaying folded bands of dark brown hematite...eye jasper from the Mount Brockman area, Pilbara region. The sphere, approximately 35 cm in diameter, contains.......................................... 34 Cue region...................................................................................... 34 Yalgoo region .............................................. |
 | | Report (edition) |
| ................................ 32 Marble Bar region ........................................................................................ 36 Cue region ..................................................................................... 36 Yalgoo region .................................................................................... 40 Menzies region ................................................................................. 40 Coolgardie region .............................................. |
 | | Report (issue) |
| 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 |
 | | Report (issue) |
| ........ . Quartz monzonite porphyry.·.... . Occurrence and character .... . Petrographic details .....geology-Continued. 9 Epitome of the. geologic history of the 9 district .....•......................... 9 Part II. The... ILLUSTRATIONS. Page. I. Geologic map of the Yerington district, _ Nev ..•........ _.. _.... _.... _. . . In pocket...III. Geologic sections across the. Yerington 28 district; Nev. _. ___ .. __ .... __ . __ .. _. . . IV....Index map showing the location of the Yerington district, Nev......... . . . . . 10 · 2. Geologic section |
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| fund of information on the subject of agates, chalcedony, and petrified woods, and these chapters were...uartz xiii . . . 13o Contents Agate —Chalcedony Chapter X 157 Chapter XI Geodes and Thunder...Agate-filled Nodule 224 Coral Petrified by Chalcedony 229 Phantom-quartz Crystal 236 Etched-quartz...Old Dexter stamp first of its kind in the Butte district. From then on, his mining properties expanded...find contradictions even in the same text an occurrence which, under existing conditions, cannot well |
