搜索结果: 1-6 共查到“地质学 SULFIDES”相关记录6条 . 查询时间(0.078 秒)
The Formation of Sulfides during Alteration of Biotite to Chlorite-Corrensite?
TEM AEM Altered Biotite Biotite Chlorite Corrensite Hydrobiotite Pyrite Sphalerite
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2011/12/8
Abstract: Transmission electron microscopy/analytical electron microscopy (TEM/AEM) were utilized to study pyrite and sphalerite inclusions in chlorite or mixed-layer chlorite-corrensite from an analc...
Iron sulfides from magnetotactic bacteria: Structure, composition, and phase transitions
Iron sulfides magnetotactic bacteria Structure composition phase transitions
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2012/4/1
The top 20 cm of sediments at active cold seeps in Monterey Bay, coastal California,contain framboidal pyrite that occurs as infillings and pseudomorphs of the chambers of the tests of foraminifera an...
Genesis and Morphology of Iron Sulfides in Gray Kaolins
Kaolinite Marcasite Morphology Oxidation Pyrite Scanning electron microscopy Sulfide
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2011/11/30
Abstract: Many of the presently oxidized Georgia kaolins probably existed originally in the reduced (gray) state. For that reason, the distribution of iron sulfides in presently gray kaolins may eluci...
Authigenic Kaolinite and Dickite Associated with Metal Sulfides—Probable Indicators of a Regional Thermal Event
Dickite Kaolinite Metallic ores Morphology Regional thermal event
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2012/1/9
Authigenic, well-crystallized kaolinite and dickite occur within sulfide mineral deposits (minesize to hand-specimen size occurrences) of the Mississippi Valley type in Arkansas, Kansas, Missouri, Iow...
VARIOUS ASPECTS OF ATOMIC DISPLACEMENTS IN METALLIC SULFIDES
ATOMIC DISPLACEMENTS METALLIC SULFIDES
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2014/4/8
Movements of atoms can be observed and even brought about in metallic sulfides. A change in the structure may result from a large number of these movements. These displacements can be studied by vario...
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...