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Spectral stratigraphy and clay minerals analysis in parts of Hellas Planitia, Mars
Spectral analysis Hellas Planitia Clay minerals MRO-CRISM Compositional stratigraphy
2014/12/15
Absorption features that occur in reflectance spectra are a sensitive indicator of mineralogy and chemical composition for a wide variety of materials. The investigation of the mineralogy and chemical...
Hyperspectral analysis of clay minerals
Clay minerals X Ray Diffraction Hyperspectral DISPEC Spectral Angle Mapper
2014/12/15
A study was carried out by collecting soil samples from parts of Gwalior and Shivpuri district, Madhya Pradesh in order to assess the dominant clay mineral of these soils using hyperspectral data, as ...
Because of their small particle sizes and v~riable degrees of crystal perfection, it is not surprisi4g that clay minerals proved extremely difficult to characterize adequately prior to the development...
A Review on Possible Influence of Clays and Soil Clay Minerals on Soil Fertility
ReviewPossible Influence Clays Soil Clay Minerals Soil Fertility
2012/3/14
A Review on Possible Influence of Clays and Soil Clay Minerals on Soil Fertility.
Chemical/Geochemical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin,Nigeria
Chemical Geochemical Characterization Clays Clay Minerals Share Area Bida Sedimentary Basin
2012/3/14
Chemical/Geochemical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin,Nigeria.
Mineralogical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin, Nigeria
Mineralogical Characterization Clays Clay Minerals Share Area Bida Sedimentary Basin
2012/3/14
Mineralogical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin, Nigeria.
Current Research Thrusts into Clays and Clay Minerals in Africa
Current Research Thrusts Clays Clay Minerals Africa
2012/3/14
Current Research Thrusts into Clays and Clay Minerals in Africa.
Cation exchange as influenced by the type of cations in different clay minerals
Cation exchange influenced type cations different clay minerals
2012/3/30
Physical and chemical properties of most soils are influenced by their ion-exchange characteristics, including the amount and balance of individual ions present (Rayment and Lyons, 2011). Cation Excha...
Additions of clays and clay minerals to enhance the sequestration of Carbon in soils
Additions clays clay minerals enhance sequestration Carbon soils
2012/3/30
Prompted by the need to reduce atmospheric carbon dioxide concentrations for the mitigation of climate change, there is much current interest in the possibility of increasing the long-term storage, or...
Are clay minerals a fundamental biogeochemical regulator of the Biosphere at Earth system scales
clay minerals fundamental biogeochemical regulator Biosphere Earth system scales
2012/3/30
A common focus of clay mineralogists is on the properties of phyllosilicates that enhance chemical and manufacturing processes of materials, drilling or agricultural production. Less studied is the ro...
RESEARCH ON EVOLUTION OF CLAY MINERALS AND ARGILLACEOUS AND SILICEOUS NEOFORMATION
CLAY MINERALS ARGILLACEOUS SILICEOUS NEOFORMATION
2011/11/15
The following recent work is reviewed. In the Triassic basin of the Jura detrital illite changes into chlorite (chlorite and chloritic mixed layers) toward the middle of the basin. In the profiles of ...
A METHOD FOR THE DETERMINATION OF THE CATION EXCHANGE CAPACITY OF CLAY MINERALS AND SOILS
CLAY MINERALS SOILS METHOD
2011/11/15
For many purposes it is desirable to have a method for the determination of the cation exchange capacity of clay minerals based on principles as free from ambiguity as possible. Most of the many metho...
MINERALOGY AND ORIGIN OF CLAY MINERALS, SILICA AND AUTHIGENIC SILICATES IN LEG 14 SEDIMENTS
CLAY MINERALS AUTHIGENIC SILICATES MINERALOGY
2011/11/11
Preliminary X-ray, SEM, TEM, and optical mineralogical results are reported to discuss the paragenesis, age distribution,and origin of clay minerals, silica modifications and authigenic silicates foun...
PALYGORSKITE, SEPIOLITE, AND OTHER CLAY MINERALS IN LEG 41 OCEANIC SEDIMENTS: MINERALOGY, FACIES, AND GENESIS
PALYGORSKITE SEPIOLITE OTHER CLAY MINERALS
2011/11/4
Leg 41 holes, drilled near the northwest margin of Africa, penetrated Mesozoic and Cenozoic sediments.The <l μm fraction of these sediments contains
montmorillonite, kaolinite, hydromica, chlorite, m...
基于中红外光谱的土壤矿物表征及其鉴定(Characterization of Soil Clay Minerals Using Mid-infrared Spectroscopy and the Application in Soil Identification)
土壤矿物 红外光谱 土壤鉴定
2009/11/3
以3种标准粘土矿物伊利石、高岭石和蒙脱石为材料,研究其中红外光谱(包括透射光谱、衰减全反射光谱和光声光谱)的特征。3种粘土矿物的中红外透射光谱均存在3个主要的吸收区域(3000~3800cm-1,1300~1800cm-1和500~1200cm-1), 且吸收特征明显不同;3种粘土矿物的中红外衰减全反射光谱的差异主要表现在800~1200cm-1,其他区域差异不明显;而3种粘土矿物的中红外光声光谱...