 | | Journal (article/letter/editorial) | | Mineral resources of Vietnam Imrich Kušnír 1 Nerastné suroviny Vietnamu Vietnam je bohatý na nerastné suroviny...suroviny, ktoré sa nachádzajú prevažne na severe krajiny. Ložiská bauxitov, fosfátov, vzácnych zemín (REE)...popis nerastného bohatstva Vietnamu. Key words: Vietnam, Indochina, Indochinese shield, Indosinian orogeny...zinc-lead, mineral sands, rare earths. Introduction Vietnam, with an area of 335 000 km2, occupies the eastern...km along the Chinese sea. Most of the northern Vietnam (Tonkin) and the centre of the country (Annam) |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | are formed principally of smithsonite and/or hemimorphite. Three subtypes are recognized: direct-replacement...minerals present are generally smithsonite, hemimorphite, hydrozincite, and sauconite (Fig. 3 and Table...Leadville, United States; 5 = Upper Mississippi Valley district, United States; 6 = Franklin and Sterling Hill...Mississippi Valley-type district, Poland; 16 = Reocin, Spain; 17 = Sardinian Zn-Pb district; Italy; 18 = Larium...= Hamman N’Baïls, Algeria; 21 = Zamanti Zn-Pb district, central Turkey; 22 = Angouran, Iran; 23 = Mehdiabad |  | | Journal (article/letter/editorial) | | and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...tenorite Carbocretes Oxicretes chrysocolla hemimorphite chrysocolla chrysocolla plancheite silicate...cristobalite amorphous matter chrysocolla plancheite hemimorphite silicate Silicacretes Cu-bearing bromian...meta-alunogen crandallite gorceixite K- jarosite florencite Na-jarosite woodhouseite svanbergite alunogen aluminite...Baumgarten et al. 2008 Dill et al. 1997a Cajamarca Province Peru Palache et al. 1951 Malpelo Island, Colombia |  | | Journal (article/letter/editorial) | | Mason University] at 01:02 21 December 2014 79 Mine, Gila County, Arizona E veryone likes blue minerals...including malachite, azurite, cuprite, smithsonite, hemimorphite, hydrozincite, and rosasite. A good discussion...including the Harborside mine at Brooksville, Hancock County, and the Lubec lead mine and prospects at Pembroke...Hampshire County, Massachusetts; the old Gorham (Mascot mine), Coos County, New Hampshire; as pale blue rosettes...cutting trap rock at Moore, the long-abandoned iron mine at Andover, and as an accessory mineral at Franklin |  | | Journal (article/letter/editorial) | | Article Single Crystal Elastic Properties of Hemimorphite, a Novel Hydrous Silicate Yingzhe Li and Jay...Published: 10 May 2020 Abstract: Hemimorphite, with the chemical formula Zn4 Si2 O7 (OH)2...hydroxyl. The elastic properties of single-crystal hemimorphite have been determined by Brillouin spectroscopy...= 74.2(7) GPa and and µ (HS) = 26.5(6) GPa. Hemimorphite displays a high degree of velocity anisotropy...on-diagonal longitudinal and pure shear moduli of hemimorphite are largely explained by its distinctive crystal |  | | Report (issue) | | 58. Zinc ore has been raised frorn the Nenthead Mine near Alston, in Cumberland, for a number of years...the product has been all exported to Belgium, the mine being worked prior to the war by the Vieille Montagne...cent. of the total output, and for some time this mine has produced more zinc ore tl1an any other in the...and sandstones, and dip steeply to the north. The mine is equipped with a concentrating plant capable of...about 200 tons of ore in 12 hours. · At Nentsbury Mine, also near Alston, zinc-blende and galena are found |  | | Book | | Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets...of crystallized gold occurred in the Jamestow n mine. California, USA, where a cavity, which yielded |  | | Report (issue) | | (the sulphide), calamine (the carbonate), and hemimorphite (the hydrated sili•cate). F1..anl{linite (o·x...are found abundantly only at the Franklin Furnace mine, New Jersey, U.S.A. '.rhe Franklin Jj,urnace ore...in Dumfries, -the Carshield mine in Northumberland, the Great La,xey mine in the Isle of Man, and the...000 -tons of ore annt1ally, and the Oar-ishield mine, which produced -4 ,161 tons of o,r e in 1913, fe~r...•• ••• 0 bile •.. ••• • •• • •• ••• • •• • •• Chi· na ( exclusive of Hong Kong, Macao and leased territories) |  | | Book | | Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from...mm (4 5/i6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets |  | | Book | | D. Bass Single Crystal Elastic Properties of Hemimorphite, a Novel Hydrous Silicate Reprinted from: Minerals...pilot production was started in cooperation with district industry. By 1989, all hard material research...extensive field work to extract pyrophyllite in Vietnam (supported by the Institute for Raw Materials Research...Geodynamics Research Center, Ehime University, 2-5 Bunkyo-cho, Matsuyama 790-8577, Japan; toinoue@hiroshima-u.ac...the EDS analyses. Working parameters of 15 kV, 1 nA, and collection times of 30–50 s were used. The chemical |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga...Katanga administrative region again. The former Kivu province is now divided to three regions: INTRODUCTION |  | | Book | | shales, hornfels and granites of the Harzburg district, showed that the amount of boron decreases from...abundant in arsenopyriterich samples from Wongabah Mine, characteristically forming aggregates of fibrous...Considering the approximate composition of wiikite [(Y, Na, Ca, U)(Nb, Ta, Ti, Fe)2(O, OH)2] and that of rutile...leuchtenbergite schist from Hada Budussa, Adola District, Ethiopia (described by Augustithis in 1964)....(1986) of a fresh euhedral crystal from the Kaneuchi Mine, Kyoto Prefecture, shows only slight compositional |
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Cho Dien Mine, Na Hang District, Tuyên Quang Province, Vietnam