 | | Report (issue) | | Apatit mit 6,2 cm Höhe aus lmilchil, in der Provinz Er-Rachidia. The Arkenstone, Foto: Joe Budd 8 1 extraLapis...wunderschön. - und schließlich die Felsenwüsten-Region im Südwesten mit den berühmten Minen von Imiter...Schweiz. Foto: Tobias Weise 10 1 "''l(traLap,.~ 12 MaroJ...J<.o .. t,# MIDELT 97 Marokko - Mineralien...schöne Erfahrungen machen wird. Es kann sich ein 12 1 extraLapis 42 Marokko Eine weitere schöneAngewohnheitder...- Mineralien & Mehr Cerussit-Zwilling auf einer 12 cm breiten Stufe aus Touissit. Sammlung: terra mineralia |  | | Book | | rare-earth species found as small crystals in drusy dolomite-lined cavities. The extremely rare yttrium silicate-carbonate...transparent, tabular microcrystals on matrix of white dolomite, and rarely as doubly terminated crystals to I...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...excellent loose ilmenite crystal clusters from a calcite vein-dike digging site which they called the Bentley |  | | Report (issue) | | 01 oxygen 16.00 fluorine 19.00 neon 20.18 11 12 13 14 15 16 17 18 sodium 22.99 magnesium...1012 109 106 103 102 10 10–1 10–2 10–3 10–6 10–9 10–12 10–15 10–18 1 trillion 1 billion 1 million 1 thousand...including, perhaps, places in the Basin and Range province of the United States. Eight minerals or mineral...larger tonnages and lower grades than fluorspar vein deposits from various other classes. The United...southwest of Salem, Kentucky, which has a large vein that contains at least 1.6 million metric tons at |  | Savelyeva, V. B., Bazarova, E. P., Sharygin, V. V., Karmanov, N. S., Kanakin, S. V. (2017) Altered rocks of the Onguren carbonatite complex in the Western Tansbaikal Region: Geochemistry and composition of accessory minerals. Geology of Ore Deposits, 59 (4) 315-340 doi:10.1134/s1075701517040055 | Journal (article/letter/editorial) | | Onguren Carbonatite Complex in the Western Tansbaikal Region: Geochemistry and Composition of Accessory Minerals...associated with calcite and dolomite–ankerite carbonatites of the Onguren dyke–vein complex in the Western...Western Transbaikal Region. The alteration processes in the Early Proterozoic metamorphic complex and synmetamorphic...aegirine occur in the near-contact zones of the dolomite–ankerite carbonatite veins; and silicification...accompany the Onguren dike–vein carbonatite complex in the Western Transbaikal Region (Savelyeva et al., 2014 |  | Klein, Evandro L., Harris, Chris, Giret, André, Moura, Candido A.V., Angélica, Rômulo S. (2005) Geology and stable isotope (O, H, C, S) constraints on the genesis of the Cachoeira gold deposit, Gurupi Belt, northern Brazil. Chemical Geology, 221 (3) 188-206 doi:10.1016/j.chemgeo.2005.05.003 | Journal (article/letter/editorial) | | estimated for the ore-bearing fluid using the quartz–dolomite oxygen isotope thermometer. Collectively, the...ore bodies, which include isolated quartz veins, vein systems, hydrothermally altered host rocks and stockworks...tic Vizeu Oc ea n 2 upi Riv er Ma Gur 1 rac açu mé Riv er Pir iá R ive r Aurizona São Luis...target 9805000N 15 9804500N 14 Barbosa target 12 Fig. 3 18 9804000N Recent alluvial sediments Laterites...et al. / Chemical Geology 221 (2005) 188–206 14 / 12 15 193 NE 18 50m SW saprolite saprolite 0m |  | Bineli Betsi, Thierry, Lentz, David, Chiaradia, Massimo, Kyser, Kurt, Creaser, Robert A. (2013) Genesis of the Au–Bi–Cu–As, Cu–Mo ± W, and base–metal Au–Ag mineralization at the Mountain Freegold (Yukon, Canada): constraints from Ar–Ar and Re–Os geochronology and Pb and stable isotope compositions. Mineralium Deposita, 48 (8) 991-1017 doi:10.1007/s00126-013-0465-4 | Journal (article/letter/editorial) | | Chiaradia & Kurt Kyser & Robert A. Creaser Received: 12 October 2011 / Accepted: 10 March 2013 # Springer-Verlag...the Dawson Range Cu–Au±Mo Belt of the Tintina Au province was constrained using Pb and stable isotope compositions...University of Alberta, Alberta T6G2E3 Canada quartz vein, which has δ34S values between −8.1 and −3.1 ‰....Freegold Mountain region is within the Dawson Range Cu–Au–(Mo) Belt of the Tintina Au Province, which spans...investigated area, apart from the epithermal styles of vein mineralization that were the object of a few O, |  | Zhang, Jianfang, Zhu, Chaohui, Wang, Longwu, Cai, Xiaoliang, Gong, Ruijun, Chen, Xiaoyou, Wang, Jianguo, Gu, Mingguang, Zhou, Zongyao, Liu, Yuandong (2020) Regional Geological Survey of Hanggai, Xianxia and Chuancun, Zhejiang Province in China. Springer Singapore. doi:10.1007/978-981-15-1788-4 | Book | | Survey of Hanggai, Xianxia and Chuancun, Zhejiang Province in China OF LG EO E S N A TI O N A NGA ...Survey of Hanggai, Xianxia and Chuancun, Zhejiang Province in China 1:50,000 Geological Maps Jianfang Zhang...Formation (O3w)–Standard Section of Lower Yangtze Region in the Upper Ordovician (Hirnantian) . . 2.4.8... . . . . . . . . . . . . . . . . . . . . . 9 12 12 15 18 18 27 30 32 32 42 47 56 60 70 71 71 81 90...Activity and Metallogenesis . . . . . . . . . . . . 3.4 Vein Rocks . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | deposit in Linxi county, Inner Mongolia Autonomous Region, China, is economically a valuable Cu-Sn-Ag-Zn-Pb...southern section of the Da Hinggan metallogenic province. For the analyzed 23 samples of sulfide minerals...Dajing ore deposit is a typical magmatic-hydrothermal vein type ore deposit associated with subvolcanic rocks...southern section of the Da Hinggan metallogenic province. Geographically, this ore deposit is located in...in Linxi County, Inner Mongolia Autonomous Region, China, and is about 21 km northeast from Linxi town |  | | Journal (issue) | | 10. Foliation of the breccia matrix; 11. Gallery; 12. Boreholes. A remarkable feature is also the uncommon...for a time beneath the cooled rim in the apical region of the pluton. Lack of the pyroclastic products...tectonic breccias; 11. Non-mineralized breccia pipes; 12. Hydrothermal – metasomatic polymetallic ore bodies;...mining horizon, Pacea gallery; 10. Drill hole; 11, 12. Projected drill holes. BP 2 ; BP 4 – breccia pipes...related to the Neogene magmatism of Baia de Arieş region generated hydrothermal metasomatic concentrations |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S., Trushin, Sergey I. (2020) The large Bakyrchik orogenic gold deposit, eastern Kazakhstan: Geology, mineralization, fluid inclusion, and stable isotope characteristics. Ore Geology Reviews, 127. 103863pp. doi:10.1016/j.oregeorev.2020.103863 | Journal (article/letter/editorial) | | Petrography, Mineralogy and Geochemistry (IGEM), 12 Russian Academy of Sciences, 35 Staromonetny Per...(quartz-carbonate, including calcite, 212 ankerite, dolomite) veining. Lewis (2006; cited in Cox et al., 2010;...(locally in excess of 5 m) 214 stylolitic veins and vein zones are most widespread; according to these authors...Discrete veins can evolve into zones with dense vein stockworks, with possible further evolution into...uncommon in quartz but are abundant close to the vein contacts, in carbonaceous 224 stylolitic surfaces |  | | Journal (article/letter/editorial) | | precipitated between layers of Neoproterozoic sandy dolomite and striated parallel to the fold axis of an open...Cambrian-Carboniferous marine section, and the region was deformed in the Triassic by the amalgamation...and bedding so the fabric can be interpreted as vein and layer-parallel shortening (Table 1). Calcite...(Bedding) N 25◦ E, 45◦ SE Fabric Interp. (Vein) 12◦ 82◦ −1.8 11 −38.6 VPS, LPS 303◦ , 28◦ ...−38.2 VPS, LPS n = 100 Avg = −38.3 Note: VPS = vein-parallel shortening; LPS = layer-parallel shortening |  | | Journal (article/letter/editorial) | | foliation of their Beira Schist host rocks. The vein openingswere createdby purely vertical dilationof...the schists. It is proposedthat the unusual flat vein openings were created.and subsequentlysupported...tintungstenvein fluids. Fluid inclusiondata indicate that the vein fluid pressureswere at times adequateto lift the...increasing abundanceof CO,,-rich fluid inclusions in vein quartz as one approachesthe known or suspectedgranite...served as structural conduits for the introduction of vein fluids. An unusual, lensoid cap of quartz, resemblinga |  | | Report (issue) | | 01 oxygen 16.00 fluorine 19.00 neon 20.18 11 12 13 14 15 16 17 18 sodium 22.99 magnesium...production for the period 2006–10, by country or region and amount.......................................Siberian flood basalt province in Russia, which is the largest flood basalt province in the world.........complexes that are part of the Nikolai large igneous province.................................................showing selenium concentrations in coal samples, by region of the United States.......................... |  | | Book | | with barite and malachite. HARPER COUNTY: SE, Sec. 12; T.28N., R.26W. At Twin Buttes. “Indian Money.” Aragonite...varieties: Maltha—a semi-liquid viscous material found as vein and vug filling. Brea, Impsonite, Grahamite, and...COUNTY: SW14 Sec. 8, T.1S., R.13E.—San and a small vein asphalt sand of S\% Sec. 13, T.2S., R.13E—A deposit...Grahamite Atoka. of N.E. North Boggy Creek 6 miles 12 miles NE Sec. 25, T.1S., R.13E. and NW% Sec. 30,...14E.— thick. 2’ about S.E. of Stringtown—Grahamite vein be Cen. Sec. 35, T.2S., R.13E—A depsit of shale |  | | Journal (article/letter/editorial) | | shade in the early morning is not unusual. The region may be divided into three well-defined geographical...sub-types, of which only one really falls within the province of this paper. It covers the area bounded on the...country is found, although the same geological province continues, and so for,ns the second sub-type....apparently overlying a dark brown, massive quartzite. ER. M. H.] These are garnet-hornblende-epidote-rocks...surrounded by a ring of pale-brown sphene. A thin vein of epidote cuts the rock. [C 2] from the Chimbao |  | | Report (volume) | | _______________________ AI 1 2 4 4 4 5 6 6 8 10 12 14 16 17 18 18 19 20 22 23 23 23 26 26 26 28 29 30...quartzite, but include a very few impure limestone and dolomite beds. Tertiary ( ? ) to Recent unconsolidatoo...in the Northern Rocky Mountains physiographic province. The 1naximum relief of almost 4,000 feet is from...from 1 to 6 inches, although some may be as much as 12 inches thick. Commonly the rock appears varved; silty...have been misinterpreted by some workers in the region as being organic in origin. The thickness of the |  | | Report (volume) | | Chemical composition__-____-_--_------___-______-----m 12 14 16 18 19 21 26 29 33 33 33 33 35 37 37 38 38 39...----_-_-_-_._----_-____..__ 115 117 117 Gold Pan vein.........___._____________... 118 Inez tunnel_...__-_-.-__--_-___-__ Harris-Farley and High Tide vein group.__--__--____-___-__Southern part of area______... Characteristic bluff of Ordovician (Manitou) dolomite on the slope southeast of Whitehouse Mountain;...of Manitou dolomite _-__--___--__-___--_---_-----__--_---_______ 8 3. A, Interbedded dolomite, dolomitic |  | | Report (issue) | | dfrectiou S. 80° E. for a distance of 460 feet. No vein bad been encountered within the tunnel at the time...N. 70° E. for a distauce of 40 feet on a 4-foot vein of quartz with a nearly vertica l dip. NeaT the...been sunk. A little higher on the hi11sidc a cross vein strikes N. 40° E . and also has a vertical dip....dikes of granite and diorite cut these sti·ata. A vein of white quartz, varying from 3 to 8 feet in width...drifts and a shaft. The country rock containing the vein is a silicifiocl limestone. The ore minerals are |  | | Journal (volume) | | State Building, 217 West First Street, Los Angeles 12 Sacramento 14 Box 445, Redding 631 J Street, The...Geological Survey OUTLINE OF REPORT Page 9 9 11 11 12 12 12 13 13 13 14 Abstract Introduction History and...immediately, and by the end of the year had installed a 12-pipe Johnson-McKay retort and recovered 30 flasks... : : CALIFORNIA JOURNAL OF MINES AND GEOLOGY 12 [Vol. 43 A northward-trending dike of rhyolite...Nevada batholith. No detailed geologic maps of the region near the mine are known to the writers, but the |  | | Report (issue) | | district oil Iron - - 211 Lead Limestone, dolomite, and cement, by Gray, Cliffton H. Jr. _ ...In pocket In pocket In __ _.. pocket In vein, — _ CONTENTS-Continued Page Figure Figure...Figure Figure 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24...Clear Creek district Photo of the Exposed Treasure vein, Standard group ._ Composite plan, Standard group...Table Table 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Table Table Table 13. Table Table Table 16. |  | Sung, Y.-H., Brugger, J., Ciobanu, C. L., Pring, A., Skinner, W., Nugus, M. (2009) Invisible gold in arsenian pyrite and arsenopyrite from a multistage Archaean gold deposit: Sunrise Dam, Eastern Goldfields Province, Western Australia. Mineralium Deposita, 44 (7) 765-791 doi:10.1007/s00126-009-0244-4 | Journal (article/letter/editorial) | | gold deposit: Sunrise Dam, Eastern Goldfields Province, Western Australia Y.-H. Sung & J. Brugger & C...Skinner & M. Nugus Received: 27 April 2009 / Accepted: 12 May 2009 / Published online: 10 June 2009 # Springer-Verlag...Archaean Laverton Greenstone Belt (Eastern Goldfields Province, Yilgarn Craton, Western Australia). The deposit...Dam and the exceptional size of the deposit at province scale result from multiple fluid flow and multiple...Keywords Sunrise Dam Gold Deposit, Eastern Goldfields Province, Western Australia . Pyrite . Arsenopyrite . Invisible |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . Plateau province ............................... ·_... ...... _.......................................... Basin province ................................................of the geology and ore deposits in the Plateau region. The junior author, G. F. Loughlin, began work...was carried on in the Cottonwood-American Fork region. This work was interrupted by the war, but some..._.................... 162 Relations of different vein types in the igneous rocks ...........·........ |  | | Book | | 10 Tremadoc 10 Silurian 10 Llandovery 11 Wenlock 12 Ludlow 13 Old Red Sandstone 14 Lower Old Red Sandstone...Sea Mills and Gully Quarry, Avon Gorge, Bristol 35 12 Isopachytes in (a) Upper Old Red Sandstone and Lower...106 30 Structure contours on the No. 5 (Middle) Vein of the Farrington Formation south of the Farmborough...and Yate 113 33 Structure contour map of the Hard Vein, Coalpit Heath Basin 115 34 East - west section...Isopachytes of the Slyving Vein; (c) Isopachytes of the Radstock Middle Vein; (d) Isopachytes of the measures |  | | Journal (article/letter/editorial) | | about 7 - 2 metres of thick-bedded porous oolitic dolomite overlain b y a b o u t 5 - 5 metres of varied...limestones originated b y calcitization of earlier dolomite rock (dedolomitization). Most of t h e rocks exposed...e d w i t h thin layers of earthy a n d clayey dolomite. Locally strongly contorted 2. D o l o m i t e...with only v a g u e traces of original ooliths 4. Dolomite, grey and brown, laminated, earthy, partly passing...beds. Parts of the bed are sharply contorted 10. Dolomite, yellow-buff and dolomitic limestone, soft, finely |  | | Journal (article/letter/editorial) | | lead-zinc vein-type depositsof the Toyoha mine, Hokkaido, Japan, occur in the Green Tuff region of Miocene...different structural and mineral features. The Soya vein, representativeof the NW-SE system, is characterizedby...occurrenceof banding and symmetricalstructures in the vein, which are useful to establish the successionof...mineralization. Stages of mineralization recognized in the vein are (1) sulfide stage which is composedof sphalerite-pyrite-quartz...epithermalvein-typedepositsoccurin the socalled Green Tuff region, which is characterizedby the predominanceof altered |
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