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ALUNITE, NATROALUNITE AND HYDRATED HALLOYSITE IN CARLSBAD ...
Clays and Clay Minerals, Vol. 44, No. 6, 843-850, 1996. ALUNITE, NATROALUNITE AND HYDRATED HALLOYSITE IN CARLSBAD CAVERN AND LECHUGUILLA CAVE, NEW MEXICO VICTOR J. POLYAK AND NECIP GOVEN Department of Geosciences, Box 41053, Texas Tech University, Lubbock, Texas 79409-1053 Abstract--Members of ...
Alunite
Alunite KAl 3 (SO 4) 2 (OH) 6 c2001-2005 Mineral Data Publishing, version 1 Crystal Data: Hexagonal. Point Group: 32 /m or 3 m. Crystals typicallypseudocubic {0112}or tabular{0001}with flat vicinal rhombohedra, to 1 cm; fibrous to columnar, porcelaneous, commonly granular to dense massive.
Origin of alunite- and
American Mineralogist, Volume 75, pages 1176-1 181, 1990 Origin of alunite- and jarosite-group minerals in the Mt. Leyshon epithermal gold deposif northeast Queensland, Australia KurH M. Scorr CSIRO Division of Exploration Geoscience, P.O. Box 136, North Ryde, New South Wales 2113, Australia ...
Epithermal quartz-alumite Au deposits
EPITHERMAL QUARTZ-ALUNITE AU DEPOSITS (MODEL 25e; Berger, 1986) Epithermal quartz-alumite Au deposits
Characterization and origin of alunite in the El-Gideda iron ...
Per. Mineral. (2007), 76, 1, 11-24 http://go.to/permin PERIODICO di MINERALOGIA established in 1930 An International Journal of MINERALOGY, CRYSTALLOGRAPHY, GEOCHEMISTRY, ORE DEPOSITS, PETROLOGY, VOLCANOLOGY and applied topics on Environment , Archaeometry and Cultural Heritage Characterization ...
Identification of Calcium Sulphoaluminate Formation between ...
Conclusions This study investigated the formation characteristics of calcium sulphoaluminate (4CaO·3Al 2 O 3 ·SO 3) in a K 2 SO 4-CaO-Al 2 O 3-CaSO 4-SiO 2 system using reagents of various types in an effort to identify the formation conditions of 3CaO·3Al 2 O 3 ·CaSO 4 by the sintering of a mixture of alunite and ...
Geochemistry and alunite mineral chemistry of the acid ...
Geochemistry and alunite mineral chemistry of the acid-sulfate alteration in the Porphyry Peak rhyolites, Bonanza Caldera, central Colorado Jennifer A. Lenz Department of Geology, Smith College, Clark Science Center, Northampton, MA 01063 Faculty Sponsor: John B. Brady, Smith College ...
HYDRONIUM ION IN TFIE ALUNITE
Canadian Mineralogist Yol. 24, pp. 435-47 (1986) ABSTRACT Deuterated hydronium alunite and various members of the hydronium-potassium-alunite solid-solution series were synthesized, and characterized chemically and structurally.
COMPARISON OF BAND RATIOING AND SPECTRAL INDICES METHODS FOR ...
COMPARISON OF BAND RATIOING AND SPECTRAL INDICES METHODS FOR DETECTING ALUNITE AND KAOLINITE MINERALS USING ASTER DATA IN BIGA REGION, TURKEY B. T. San, E. O. Sumer, B. Gurcay General Directorate of Mineral Research and Exploration, Remote Sensing Center - 06520, Ankara, TURKEY tanersan@mta.gov ...
The Pierina epithermal Au–Ag deposit, Ancash, Peru ...
The Pierina epithermal Au–Ag deposit, Ancash, Peru: paragenetic relationships, alunite textures, and stable-isotope geochemistry Amelia Rainbow
