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Publications tagged with [quartz]

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Based on mineralogical and technological investigations of the deposit “Greda” important characteristics of bentonite clay were determined. Representative samples of the deposit were characterized with X-ray diffraction, low-temperature nitrogen adsorption, ...
Reference: Processing and Application of Ceramics 5 [2] (2011) 97–101
Jaret S. J. et al.  
This study identifies a range of feldspar textures in target rocks from the Tenoumer impact crater that suggest feldspars exhibit a range of impact-related features which span a range below the 8 GPa limit of quartz deformation.
Reference: "The Journal of Undergraduate Research at the University of Tennessee Vol. 1:1, Article 6"
<p>Previous studies [O&rsquo;Kane, A., Onasch, C.M., Farver, J., 2007. The role of fluids in low-temperature, faultrelated deformation of quartz arenite. Journal of Structural Geology 29, 819&ndash;836; Cook, J., Dunne, W.M., Onasch, C.M., 2006. Development ...
Reference: Journal of Structural Geology 31 (2009) 960–971
This association suggests an empirical time and space relationship between large-scale deposits and regional unconformities.
Reference: "Geological Association of Canada, Mineral Deposits Division, Special Publication No. 5, p. 49-73."
The understanding of the subduction-related processes benefited by the studies of the high-pressure (HP) metamorphic rocks from the western Alps. The most stimulating information was obtained from the inner part of the western Alpine belt, where most tectonic ...
Filed under: Geology -  General Geology
Reference: 32nd International Geological Congress, Episodes Vol.26 No.3
In this paper clay-rich sediments from the Kajjansi, Kitiko, Kitetika, and Ntawo valleys in central Uganda were analyzed for mineralogical and chemical composition, including the rare earth element (REE) contents.
Reference: Geochemical Journal, Vol. 35, pp. 13 to 28, 2001
This paper is about the interpretation of microstructures involving quartz and feldspar in metamorphic rocks.
Reference: The Canadian Mineralogist Vo1. 37, pp. 513-524 (1999)
This paper is about the origin of graphic granite that has been shown to be the result of simultaneous growth of the two phases under conditions that favor the planar growth of the feldspar host.
Reference: American Mineralogist, Volume71, pages 325-330, 1986
In the Dahomeyan of the western Accra Plains mafic gneisses, amphibolites, and orthoamphibolitedykes in granitic gneiss occur. This paper is a study of these gneisses.
Reference: MINERALOGICAL MAGAZINE, JUNE I973, VOL. 39, PP. 224-32
<p>The petrographic features of the carbonate rocks from the Ionian Zone in the Etoloakarnania Prefecture are presented. They are represented by limestones with minor dolomite. The limestones include:<br />(i) wackestones (or sparse micrites), with poor presence ...
Reference: Bulletin of the Geological Society of Greece, 2010