搜索结果: 61-65 共查到“地质学 Geochemical”相关记录65条 . 查询时间(0.133 秒)
Origin of the Bentonite Deposits of Eastern Milos, Aegean, Greece: Geological, Mineralogical and Geochemical Evidence
Authigenic K-feldspar Bentonite Electron microscopy Hydrothermal alteration Infrared spectroscopy Low temperature alteration Smectite X-ray diffraction X-ray fluorescence Zeolites
2011/12/1
Abstract: The Lower Pleistocene bentonite deposits of Eastern Milos, Greece have been formed at the expense of volcaniclastic rocks under submarine conditions. Systematic variation of the major chemic...
X-RAY MINERALOGY AND GEOCHEMICAL STUDIES OF SEDIMENTS, LEG 125 SITES 781 THROUGH 784 AND 786
X-RAY MINERALOGY GEOCHEMICAL STUDIES OF SEDIMENTS
2011/11/14
The mineral composition of clay (<2 μm)- and silt (<63 μm)-fractions from sediments sampled at Sites 781 through 784 and 786 from the Mariana and Izu-Bonin forearcs (ODP Leg 125), were investigated by...
Mineralogy from Geochemical Well Logging
Elemental analysis Illite Kaolinite Mineralogical analysis Multivariate analysis Neutron capture cross section Well logging
2012/1/11
Multivariate statistical analyses of geochemical, mineralogical, and cation-exchange capacity (CEC) data from a Venezuelan oil well were used to construct a model which relates elemental concentration...
Geochemical Mechanics for the Dissolution, Transport, and Deposition of Aluminum in the Zone of Weathering
Geochemical Mechanics Dissolution Aluminum
2012/2/15
Organic acids in the 0·01M concentration range representing amino-, aliphatic, and aromatic types present in humus dissolve 70–85 ppm Al from Arkansas bauxite at room temperature, whereas 0·03 ppm is ...
Mineralogical and Geochemical Study of Clay Mineral Transformations in the Sedimentary Triassic Jura Basin (France)
Mineralogical Geochemical Study Clay Mineral Transformations Sedimentary Triassic Jura Basin
2012/2/21
A detailed study of sediments from the Triassic of the French Jura shows that clay minerals vary continuously with the facies. Near the coasts of the Jura Sea, sediments consisted of sandy, continenta...