 | | Journal (issue) | | and Alfred A. Levinson Emeralds of the Panjshir Valley, Afghanistan Gary Bowersox, Lawrence W Snee, Eugene...Kimberley pipes in South Africa; those from the Premier mine appeared to be about 1,200 My in age. However, Richardson...inclusion in a diamond ( I mm across) from the Finsch mine, South Africa, was dated by geochronological methods...diamonds and lzimberlite emplacement at the Premier mine. This suggests that, in this example, they may be...be contemporaneous. Whether the Premier mine is unusual awaits the determination of diamond ages from |  | | Report (issue) | | Beautiful Green!'' Asia: Pakistan, Afghanistan and India .......6 0 Old Mine Emeralds . . . . . . . . . . ...Maharajahs and Maharanis held large emeralds (see "Old Mine Emeralds" page 62). The Color of Islam Emerald...zone in the Muzo Coscuez-Pefias Blancas mining district. They are disseminated in black shales or albitized...fantasy: even colorless crystal fragments such as quartz combined with green glue and disguised with a bit...growing emeralds from Colombia, Nigeria and Afghanistan. According to the skill (or lack thereof) of |  | | Report (issue) | | Mines and Mineral Occurrences of Afghanistan Compiled by G.J. Orris1 and J.D. Bliss1 Open-File Report...APPENDIX A: Afghanistan Mines and Mineral Occurrences.. 11 TABLES Table 1. Provinces of Afghanistan ........more than 1000 mines and mineral occurrences in Afghanistan was compiled from published literature and the...PROCESSING, AND ACCURACY Data on more than 1000 Afghanistan deposits, mines, and occurrences were compiled...coal, and peat. Three previous compilations of Afghanistan mineral resources were the dominant sources used |  | | Journal (issue) | | ARTICLES 192 A Status Report on Gemstones from Afghanistan Gary W. Bowersox A Proposed New Classification...of publishing the article on gemstones from Afghanistan that leads off this issue, we approached some...REPORT ON GEMSTONES FROM AFGHANISTAN By Gary W. Bowersox A l t h o u g h Afghanistan h a s historically been...nation. Emeralds c o m e primarily from t h e Panjshir Valley, northeast of Kabul. Lorge a m o u n t...e pegmatites of t h e Nuristan region, east of Panjshir. Smaller quantities of fine r u b y h a v e been |  | | Report (chapter) | | cross-section of the valley). Fine-grained, glauconitic quartz sand is the dominant sediment type in the B. mammillatus...148 29′ 56.0′′ E). (1) Very-coarsegrained, grey quartz sand with large charcoal pieces and belemnite fragments...fragmented oysters and belemnites in a coarse, green quartz sand matrix. (3) Fine-grained greensand, progressively...calcareous (inoceramid prisms and micrite), fine-grained quartz sand (no feldpar grains), packed with shells of...upper third of the unit. (4) Highly calcareous quartz sand, rather The Precambrian crystalline basement |  | Bronto, Sutikno, Mulyaningsih, Sri, Hartono, G., Astuti, B. (2009) Waduk Parangjoho Dan Songputri: Alternatif Sumber Erupsi Formasi Semilir Di Daerah Eromoko, Kabupaten Wonogiri, Jawa Tengah [Parangjoho and Songputri Reservoirs: Alternative Sources of the Semilir Formation Eruption in the Eromoko Area, Wonogiri Regency, Central Java]. Indonesian Journal of Geology, 4 (2) 77-92 doi:10.17014/ijog.4.2.77-92 | Journal (article/letter/editorial) | | Formasi Mandalika di bagian timur serta Formasi Kebo-Butak di bagian barat. Hasil analisis geomorfologi dan...composition, mainly rich in volcanic glass and quartz. Sedimentary structures Naskah diterima 16 Januari...Mandalika Formation in the eastern part and Kebo-Butak Formation in the western part. Geomorphological-...Awal TERSIER N 13 N 10 F. Kebo Butak F. Basole F. Kebo - Butak : Batupasir, batulanau, batulempung...Akhir, diawali dengan pembentukan Formasi Kebo-Butak, yang selanjutnya diterobos oleh Formasi Mandalika |  | | Book | | TRUE ADVENTURES OF AN AMERICAN IN AFGHANISTAN ABOUT THIS BOOK... This is the story of one man’s endeavor...He finds it all in the Hindu Kush region of Afghanistan but not without risking his life. In this book...figures) is a must read for anyone interested in Afghanistan, gems, geography, travel, or U.S., Middle East...O00bowe TRUE ADVENTURES OF AN AMERICAN IN AFGHANISTAN GARY W. BOWERSOX Editing By: Jonathan Ross,...Hunter — True Adventures of an American in Afghanistan Gary W. Bowersox www.gems-afghan.com First published |  | | Journal (article/letter/editorial) | | the sulfide mineralization for the whole island. District geology, geodynamics, and magma compositions in...that can be applied as an exploration guide at district scale. In this study, we conduct an evaluation...region, the Gunung Pongkor AuAg mine in western Java and Batu Hijau Cu-Au mine in Sumbawa island. Contour...districts. The first is the Pongkor Au-Ag mine in the Bayah dome district, west Java (Basuki et al., 1994; Milesi...other is the world-class Batu Hijau porphyry Cu-Au mine in Sumbawa island (Garwin, 2002; Arif and Baker |  | | Report (issue) | | been classified as biotite-bearing rhyodacites to quartz latites (Gunawan, 1968). Several early workers...£ Crater <6 Sigluduk^ ANGAN AG. PETARANGAN G. BUTAK A 7°10'S - 109°50'E . PRAU 3D A G. PRAMBANAN...group of vents. They include: A. B. C. D. E. F. Butak-Petarangan stratovolcano. Dringo stratovolcano....composed primarily of andesite, rhyodacite, and quartz latite. The physical and petrologic characteristics |  | | Journal (article/letter/editorial) | | signs of anatectic melting with segregation of quartz–feldspar leucosome and crosscutting plagiogranite...almandinerich garnet (10–20 vol %), andesine (20–30 vol %), quartz (5–10 vol %), and ilmenite (4–5 vol %) are major...to twopyroxene–quartz–plagioclase crystalline schist containing up to 20 wt % quartz, ~40% andesine,...70 cm 6 7 Khb-1790 0.5131 0.5129 0.5127 0.1 Quartz + plagioclase Amphibole Whole-rock Apatite 0.2...monomineral fractions of apatite, amphibole, garnet, and quartz–feldspar concentrates separated from this rock |  | | Journal (article/letter/editorial) | | diorite–granodiorite–adamellite series consists of diorites, quartz–diorites, plagiogranodiorites, tonalites, granodiorites...ore-occurrences and deposits of the gold–silver–quartz and gold–quartz ore formations (Dzhetygara, Blak, Aidyrla...frequently with the dike complex of diorite–porphyries, quartz–diorite– porphyries, granodiorite–porphyries, granite–porphyries...Sredneorsk. Massifs of the central belt: (17) Amur, (18) Butak, (19) Suunduk, (20) Aidyrli, (21) Marinovsk, (22)...Massif, (3) adamellite, Isserguzha Massif, (4) quartz diorite, Isserguzha Massif, (5) plagioadamellite |  | | Journal (issue) | | marketed, and merchandized. In diamonds especially, the mine-to-market process has been severely tested. Vertical...central and southern Asia (Sri Lanka, India, Afghanistan, Pakistan, Russia, and China), and Australia...jade [both jadeite and nephrite], opal, peridot, quartz, spinel, tanzanite, topaz, and tourmaline). Locality...reference to the country rather than to the specific mine or region. For more on the specific localities,...produce attractive emeralds. Zimbabwe’s Sandawana mine is noted for small stones (0.05 to 1 ct) of high |  | | Journal (article/letter/editorial) | | 1 Abstract 13 Sampling of six horizons of quartz-glauconite sands in Kaniv dislocations in Ukraine...The 73 lower part of the formation consists of quartz-glauconite sands with silica cemented sandstone... inclusions. Top 40-60 m include greenish-gray quartz-glauconite sands, carbonated sands, silica 75...comprises thin (up to 15 cm) layers of coarse-grained quartz- 79 glauconite sands that contain abundant vertebrate...001’N 31°32.381’E). Two layers (E and 90 F) of quartz-glauconite sands were sampled in Pekarskyi ravine |  | Ferre, E. C., Michelsen, K. J., Ernst, W. G., Boyd, J. D., Canon-Tapia, E. (2012) Vertical zonation of the Barcroft granodiorite, White Mountains, California: Implications for magmatic processes. American Mineralogist, 97 (7) 1049-1059 doi:10.2138/am.2012.4013 | Journal (article/letter/editorial) | | clinopyroxene) magnetite- and ilmenitebearing quartz granodiorites and quartz gabbros (Figs. 3 and 4). These rocks...mineralogically intergradational. The granodiorite and quartz gabbros are broadly coeval, although some of the...of the pluton. Common felsic minerals consist of quartz, orthoclase, and sodic albite to calcic andesine...grains of magnetite embedded in plagioclase and quartz agrregates. outcrops where frost heaving could...abundance (Ci). Alkali feldspar, plagioclase, and quartz have low-intrinsic magnetic susceptibilities, Ki |  | | Journal (article/letter/editorial) | | Article Carbon Mineralization with North American PGM Mine Tailings—Characterization and Reactivity Analysis...J. Carbon Mineralization with North American PGM Mine Tailings— Characterization and Reactivity Department...in calcium- and magnesium-bearing mine tailings. The Stillwater mine in Nye, Montana produces copper,...global warming; mineral sequestration of CO2 ; PGM mine tailings; anorthite Academic Editor: Samintha Perera...coupled with sharp increases in the production of mine wastes [2]. To address the problem of “hard-to-avoid” |  | Fershtater, G. B., Kholodnov, V. V., Kremenetsky, A. A., Krasnobaev, A. A., Borodina, N. S., Zin’kova, E. A., Pribavkin, S. V. (2010) Au-bearing gabbro-tonalite-granodiorite-granite plutons of the urals: Age, geochemistry, and magmatic and ore evolution. Geology of Ore Deposits, 52 (1) 58-76 doi:10.1134/s107570151001006x | Journal (article/letter/editorial) | | hydrothermal gold deposits of the Urals belong to the quartzvein type and are associated with gabbro–tonal...block and belong to the Plast (L’vov, 1965) or Butak (Samarkin and Samarkina, 1988) complexes. All Devonian...occurrence of a finegrained allotriomorphic granular quartz–feldspar aggregate that fills the inter granular...metasomatized with replacements by biotite, albite, quartz, and carbonate. The local term tabashka is used...other hand, practically coincide (Fig. 6). Only quartz monzonite of the Sakharinsky pluton is significantly |  | | Journal (article/letter/editorial) | | formationfrornSalahora,which is of limestone and quartz. 1'he samelow shoreat,ainobtainsbeyondKorakoNissi...276. Pulo Condore 298. Punjab, Rive;s, 113,135-District, l54. Querimba,203, 21ll2. Quilimane, 206, 21ll3...317. WinnipegRiver, 67-Lake, 68 Yakoub Ansar, 7. Butak, 7. Tengaga, 9, 10. lTengatschay 1 0* Youngally |  | Song, Xiuzhang, Lv, Zhengxiang, Zang, Chunyan, Hao, Peng, He, Yinjun, Zhao, Wei, Qing, Yuanhua, Ren, Jie (2023) Diagenetic Evolution Mechanism of the Jurassic Tuffaceous Sandstone Reservoir in Qikou Sag, Bohai Bay Basin, East China. Minerals, 13 (1) 80 doi:10.3390/min13010080 | Journal (article/letter/editorial) | | dolomite cementation, two-stage calcite cementation, quartz cementation, and transformation and dissolution...supplied ions for the formation of microcrystalline quartz and early dolomite and the transformation of clay...dissolution of plagioclase promoted the overgrowth of quartz and the growth of kaolinite. Keywords: Bohai Bay...(such as chlorite and microcrystalline quartz) can inhibit quartz overgrowth or Minerals 2023, 13, 80...usually accompanied by microcrys6 of 20 talline quartz, whereas the dissolution of feldspar was accompanied |  | | Journal (article/letter/editorial) | | river, Ukraine [53] Zeolite-free sands, the Tyk-Butak river, Kazakhstan [53] 41 42 43 TAIH 69 Z1 celadonite...Akita Prefecture, Japan [5,54] Krivoi Rog mining district, Russia [5,55] Russia [5,56] 1 Ws (%) is the...out-of-Plane of Smectite Si–O; Fe–O out-of-Plane; Quartz; Carbonates Al–O–Si in-Plane; δ(Fe2+ OHFe3+ )...Al–O–Al; δ(Fe3+ OHMg); δ(Fe2+ OHFe3+ ); Silica/Quartz; Goethite 1 2 3 4 5 6 RM30 SG4 RM35C Fuzz-5 Fuzz-6...and/or δ(Fe2+ OH Fe3+ ) [12,26], or to silica or quartz admixtures [26,74]. The conventional assignment |  | | Journal (article/letter/editorial) | | minerals. They also contain 0 to 15% olivine, up to 6% quartz-feldspar (granophyric) intergrowth, and trace amounts...assimilation in the Logan sills, Lake Superior District, Ontario: American Journal of Science, v. 254... v. 354, p. 1–23. Ferré, E.C., Maes, S.M., and Butak, K.C., 2009, The magnetic stratification of layered...rocks of the Lake Nipigon region, Thunder Bay District, Ontario: Canadian Journal of Earth Sciences, |  | | Book (edition) | | metasediments of Tanusa and Tehoru complexes. Sirga Fm quartz clastics in New Guinea Lst several units of different...Indonesia. Sumatra fore-arc basin lacks coarse quartz-rich reservoirs; hydrocarbon source rocks are immature...Warmada (2011)- Variability of heavy minerals in quartz sand deposited within Mesozoic granitoid belt in...(2013)- Study on heavy minerals composition in quartz sand derived from Mesozoic granitoid in Western...Luk Ulo ~100 Ma. Ages from Bantimala glaucophane-quartz schist ~430199 Ma (Silurian- E Jurassic), Barru |  | | Journal (article/letter/editorial) | | zircon, baddeleyite and minor late, interstitial quartz and alkali feldspar; clinopyroxene is the dominant...abundant than inverted pigeonite, and interstitial quartz and alkali feldspar are extremely rare. Plagioclase... are typically lined with euhedral crystals of quartz and calcite; delicate, white, botryoidal minerals... Lett. 117, 407-422. Ferré, E.C., Maes, S.M. & Butak, K.C. (2009): The magnetic stratification of layered |  | | Book (volume) | | Ertsberg Diorite, G unung Bijih (Ertsberg/G rasberg) District, West Papua, Indonesia Kurt C Friehauf, Spencer...of Porphyry Cu-Mo-Ag Deposits in the Collahuasi District，N orthern Chile Glertton J. Masterman, David R.............. 207 Geology of the Bingham Mining District, Salt Lake County, Utah Charles H. Phillips, Edward...Porphyrv Cu-Mo Deposits of the Highland Valley District, Guichoti Creek Batholith^ British Columbia, Canada...After moving to Australia in 1979, Ross, as a District Manager with CRA Exploration, led the team that |  | | Book (volume) | | components and manganese-bearing Sedimentary deposits Quartz-glaucontte Deposits Georgian Deposits sand-clay...114 118 119 19 137 143 Other deposits of quartz-glauconite sand-clay 118 association Mangyshlak...Altai). “Tashtacol (Gornyi sete. (Altai-Sayan district); Chokadam-Bulak (Tadzhikistan) Magnetite and...chalcopyrite, sphalerite, etc.); 5) late gangue min- quartz). The most typical trace-elements in the ores...chlorite, zeolites, calcite and other carbonates, and quartz. Sometimes relicts of skarn minerals (pyroxene |  | | Report (issue) | | minor features” (Prestwich, 1861, p. 309, emphasis mine), but also that the “special purpose” of glaciation...Limbangan 6 Ngembak 10 Baringinan 14 Ngandong 18 Butak 22 Kalibeng 26 Sampung 3 Bumiaju 7 Punung 11...Jetis and Perning (Cosijn, 1931, 1932), Gunung Butak near Kedung Brubus, and from the lower levels of...to distinguish which fossils were collected at Butak and which at Kedung Brubus; Brongersma (1941) ex¬...archaeologically in 1931 due to the important discovery of quartz flakes, burnt bones, fire-cracked rocks, and ash |
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