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The Mineralogy of Glauconite
Mineralogy Glauconite
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2012/2/14
The mineral in monomineralic glauconite pellets is an iron-rich mixed-layer illite-smectite (here called glauconite), often composed almost entirely of illite layers. The nature of the interlayering i...
Origin and Mineralogy Glacial and Interglacial Clays of Southern Norway
Origin Mineralogy Glacial Interglacial Clays Southern Norway
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2012/2/13
The Numedal River basin (6000 km2) in central and east Norway contains 3 × 109 m3 of clayey material, corresponding to a clay loam sediment, which contains 2 million tons of absorbed rare earth elemen...
Mineralogy and Origin of the Coalinga Asbestos Deposit
Mineralogy Origin the Coalinga Asbestos Deposit
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2012/2/13
Since 1960 asbestos production of the United States has more than tripled, a phenomenon due in large part to the development of the Coalinga asbestos deposit in western California. Although most asbes...
Mineralogy and Cation Exchange Properties of Libby Vermiculite Separates as Affected by Particle-Size Reduction
Mineralogy Cation Exchange Properties Libby Vermiculite Particle-Size Reduction
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2012/2/15
A vermiculite (Libby, Montana) sample obtained from the Zonolite company contained mostly coarse-grained separates with only 8? per cent clay. The 2?0 祄 fraction was used for particle-size reduction s...
Mineralogy of Palagonitic Material from the Golan Heights, Israel
Mineralogy Palagonitic Material Golan Heights
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2012/2/15
Sideromelane in Pleistocene lapilli-tuff rocks from the Golan Heights had partly altered into palagonite. X-ray and electron diffraction showed that the major part of the clay alteration product is co...
Clay Mineralogy of Some Silty Soils of the Inner Coastal Plains of Mississippi
Clay Mineralogy Silty Soils the Inner Coastal Plains Mississippi
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2012/2/15
The chemical and mineralogical properties of six soils previously believed to be developed from coastal plain sediments were found to be significantly influenced by thin loess overlays and admixtures....
Clay Mineralogy of Andesite Saprolite
Clay Mineralogy Andesite Saprolite
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2011/11/17
Clay mineral associations in saprolite of two andesites from the Cascade Range of northeastern California were determined. Sesquioxidic allophane with a high CEC delta value dominates the clay fractio...
SULFUR ISOTOPE MINERALOGY OF SULFIDES
SULFUR ISOTOPE SULFIDES
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2014/4/8
Sulfur from the troilite phase in meteorites exhibits a remarkably uniform S32/S34composition of 22.21± 0.02, which value is taken as a reference standard for OS34 measurements. Primordial sulfur is i...