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1-6 OF 6 RESULTS FOR
Grantcharitza Deposit
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Journal Article
Chemical composition and vibrational spectra of tungsten-bearing goethite and hematite from Western Rhodopes, Bulgaria Available to Purchase
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 September 2002
European Journal of Mineralogy (2002) 14 (5): 977–986.
... ( Daniel et al ., 1987 ; Nanba et al ., 1991 ) phases. The specimen investigated in the present work was sampled from the oxidation zone of Grantcharitza scheelite deposit (Western Rhodopes, Bulgaria). It is mainly composed of quartz, SiO 2 , and microcline, KAISi 3 O 8 . Ferric iron oxide...
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Journal Article
Structural incorporation of W 6+ into hematite and goethite: A combined study of natural and synthetic iron oxides developed from precursor ferrihydrite and the preservation of ancient fluid compositions in hematite Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 December 2016
American Mineralogist (2016) 101 (12): 2701–2715.
... (TXRF) provides a general relation between W content and its structural incorporation into hematite and goethite. Botryoidal specimens of goethite and hematite, obtained from the Schwarzwald ore district, Black Forest, SW Germany, and from the Grantcharitza W deposit, Bulgaria, display W concentrations...
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Journal Article
ELSMOREITE, CUBIC WO 3 ·0.5H 2 O, A NEW MINERAL SPECIES FROM ELSMORE, NEW SOUTH WALES, AUSTRALIA Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 June 2005
The Canadian Mineralogist (2005) 43 (3): 1061–1064.
... of scheelite in the Grantcharitza deposit, Bulgaria ( Tarassov et al. 1998 ). Elsmoreite, cubic WO 3 ·0.5 H 2 O, has a structure based on a defect pyrochlore lattice, of general formula formula A 2 B 2 O 6 O’. Substitution can occur at all sites, and vacancies may occur at the A and O’ sites...
Journal Article
Aqueous Geochemistry and Mineralogy of Tungsten with Emphasis on Mine Wastes Available to Purchase
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 May 2023
Economic Geology (2023) 118 (3): 659–674.
... ( Shimobayashi et al., 2012 ; Mills et al., 2016 ; Tarassov and Tarassova, 2018 ). The composition of hydrokenoelsmoreite is inherited from the solution in which it forms and by the precursor minerals from which it is formed. The genesis of hydrokenoelsmoreite at the Grantcharitza tungsten deposit in Bulgaria...
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Journal Article
Processes of metastable-mineral formation in oxidation zones and mine waste Open Access
Journal: Mineralogical Magazine
Published: 18 March 2020
Mineralogical Magazine (2020) 84 (3): 367–375.
...]. Tarassov M.P. and Tarassova E.D. ( 2018 ) Structural and chemical evolution of mineral forms of tungsten in the oxidation zone of the Grantcharitza deposit (Western Rhodopes, Bulgaria) . Bulgarian Chemical Communications , 50 , 270 – 280 . ten Wolde , P.R. and Frenkel , D...
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Journal Article
Kagomé networks of octahedrally coordinated metal atoms in minerals: Relating different mineral structures through octahedral tilting Available to Purchase
Journal: Mineralogical Magazine
Published: 17 September 2020
Mineralogical Magazine (2020) 84 (5): 640–652.
... . Tarassov M.P. and Tarassova E.D. ( 2018 ) Structural and chemical evolution of mineral forms of tungsten in the oxidation zone of the Grantcharitza deposit (Western Rhodopes, Bulgaria) . Bulgarian Chemical Communications , 50 , 270 – 280 . Trump B.A. , Koohpayeh S.M. , Livi...
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