 | | Book |
| 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 |
 | | Report (edition) |
| occurrences of emerald, opal, agate, chalcedony, organic gems, tiger eye jasper, aragonite, cordierite, black...black jade, mookaite, fuchsite, jasper, and Munjina and Print stones, together with numerous, new gemstone... FRONTISPIECE Tiger iron from the Ord Ranges, Pilbara region, displaying folded bands of dark brown hematite...sphere of Brockman tiger eye jasper from the Mount Brockman area, Pilbara region. The sphere, approximately...irregular, horizontal bands of green, yellow, and red jasper (courtesy David Vaughan) Contents Abstract 1 |
 | | Book |
| 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...Opal and Agate Display of Quartz Minerals Jasper Jasper 130 —Variety Orbicular —Carved Paper Knife...Knife —Variety Orbicular (Egyptian) Jasper 126 133 140 146 Rimrocks of Oregon 158 Cavity Lined with...Agate-filled Nodule 224 Coral Petrified by Chalcedony 229 Phantom-quartz Crystal 236 Etched-quartz |
 | | Report (edition) |
| ................................ 32 Marble Bar region ........................................................................................ 36 Cue region ..................................................................................... 36 Yalgoo region .................................................................................... 40 Menzies region ................................................................................. 40 Coolgardie region .............................................. |
| | Book |
| .......................................... 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) |
 | | Book |
| this layer indicate that this is an example of chalcedony. Quartz crystals are visible to the naked eye...Archaeologists are more familiar with quartz and chalcedony varieties as these stones were commonly used...‘prase’ instead of translucent green chalcedony or green jasper. Mineralogically, however, these are...are only visible under magnification i.e. chalcedony and jasper) (Pl. 2) and macrocrystalline (quartz grains...transparency and colour. Jasper, for instance, is opaque and green chalcedony is translucent. By simple |
 | | 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) |
| 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 |
 | | Book |
| the earlier history, indeed the prehistory, of a region. Conglomerates speak of a time when high nearby...Fracture: shell-like, uneven, brittle. Color: JASPER Color: ocher. Hardness: 7. Streak: white. PROUSTITE...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 (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 |
 | | Journal (issue) |
| __________________________ 288 Lab Notes A new chalcedony treatment • DiamondView indicates treatment in...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...remoteness of the deposit and military activity in the region. Myanmar. Burma (known as Myanmar since 1989) has |
 | | Report (issue) |
| .............. . 73 Volcanic rocks of the Tuba region ............ . 103 General relations ............Defiance Plateau ..... . General petrology of the region, by L. V. 81 Tertiary sediments on the southeast............... . 109 Tertiary of the Hopi Buttes region ........ . Regional relations ...................Tubby Butte ............................ . 98 Occurrence ............................. . 120 Black Pinnacle................ . Occurrence ............................ . White Mesa copper district .............. : |
 | | 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 |
| | 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 |
 | | 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........................ |
 | | 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...from St. Anthony Mine, Mammoth-Tiger 10x 18mm. District, Pinal County, Arizona, USA. Field of view: 33 |
 | | Book |
| 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 |
 | | 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) . . . . . . . . . . . . . . . . . . ....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) |
 | | Report (volume) |
| Nome and Norton Bay regions 3 30 Copper River district 3 30 Logarithm tables 3 Regulations 30 3 Instructions...report on the lead and zinc deposits of the Ozark region, by H. F. Bain, with an introduction by C. R. Van...xxvi-xli. Geology and ore deposits of Elkhorn mining district, Jefferson County, Mont., by W. H. Weed, with...Price, 85 cents. XLIII. The Mesabi iron-bearing district of Minnesota, by C. K. Leith. 1903. 316 pp., 33...pls. Price, $1. XLV. The Vermilion iron-bearing district of Minnesota, with atlas, by J. M. Clements. 1903 |
 | | 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_________...the ranges in the Great Basin. The climate of the region, like that of the major province, is relatively |
 | | 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 ........ ~ . . . . . . . |
 | | Journal (issue) |
| any of the actual or potential conflicts in the region—not in Iraq, not between Israel and her neighbors... For too long, the prevailing mentality in the region has been that the weak cannot afford to give up...battle between good and evil will take place in that region. This isn’t a point I am inclined to argue, but...require that the forces of moderation throughout the region do more to support each other, so that extremists...mastering the market. Looked at The New York diamond district has long been the center of diamond distribution |
 | | 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_...231 and relation to structural features_ _ 179 Occurrence 1 231 Relation of veins to erosion 1 180 Megascopic |
 | | 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 (volume) |
| Digest of decisions concerning water in the arid region.............. Special reports on Alaska .........etc. (published in 1899)....;.. Cape Nome Gold Region (published in 1900)................... Index to...viii-ix. The physical geology of the Grand Canon district, by Clarence E. Button, pp. 47-166, pis. x-xxxvi...of'the geology of the Comstock lode and the Wash oe district, by George F. Becker, pp. 291-330, pis. xlvi-xlvii...xviii-xxiii. Abstract of report on'geology of the Eureka district, Nevada, by Arnold Hague, pp. 237-290, pis. xxiv-xxv |
Chalcedony occurrence, Zemplín, Trebišov District, Košice Region, Slovakia