搜索结果: 1-14 共查到“理学 Clay Mineralogy”相关记录14条 . 查询时间(0.148 秒)
Palaeoenvironmental Characterisation Using Clay Mineralogy: A Case Study of the Heelbo hillslope deposit, Free State Province and the Diepdrift hillslope deposit, Limpopo Province, South Africa
Palaeoenvironmental Characterisation Clay Mineralogy Case Study Heelbo hillslope deposit Free State Province Diepdrift hillslope deposit
2012/3/14
Palaeoenvironmental Characterisation Using Clay Mineralogy: A Case Study of the Heelbo hillslope deposit, Free State Province and the Diepdrift hillslope deposit, Limpopo Province, South Africa.
CLAY MINERALOGY OF SITE 397, SOUTH OF CANARY ISLANDS (DSDP LEG 47A)
Clay minerals volcanism clay assemblages attapulgite
2011/11/7
Clay minerals of Site 397 have mainly a detrital origin, including smectite, attapulgite (= palygorskite), and sepiolite. There is no quantitatively marked influence of volcanism on the clay assemblag...
Morphological, Physico-Chemical and Clay Mineralogy Investigation on Gypsiferous Soils in Southern of Tehran, Iran
Morphology Clay mineralogy Smectite Palygorskite Gypsum Arid soils
2011/11/7
In this study, based on topographic maps, satellite images and conducted several field visits, ten pedons studied in the area and for further study four representative pedons selected which occurring ...
Physico-chemical characteristics and clay mineralogy composition of selected soils in arid and semiarid regions of Iran
Physico-chemical characteristics clay mineralogy composition Iran
2011/11/10
Knowledge of soil types and their properties is highly important in determining constraints and potential as well as better utilization of soils. Clay minerals are important fractions of the soil soli...
OLIGOCENE CLAY MINERALOGY OF THE LINXIA BASIN:EVIDENCE OF PALEOCLIMATIC EVOLUTION SUBSEQUENT TO THE INITIAL-STAGE UPLIFT OF THE TIBETAN PLATEAU
China Clay Minerals Linxia Basin Oligocene Palygorskite Tibetan Plateau Uplift
2011/11/11
The clay mineral content of the Oligocene sediments in the Linxia basin has been investigated using X-ray diffraction, scanning electron microscopy, and high-resolution transmission electron microscop...
Clay Mineralogy and Occurrence of Ferrian Smectites between Serpentinite Saprolites and Basalts in Biga Peninsula, Northwest Turkey
Alteration Basalt Beidellite Ferric Iron Mica Schist Montmorillonite Serpentinite Turkey
2011/12/7
Abstract: The clay mineralogy of an oxisol-saprolite overlying serpentinite and underlying basalt was studied with different techniques to evaluate the clay mineral transformation that occurred and to...
Clay Mineralogy and Illite Crystallinity of the Atoka Formation, Arkoma Basin, and Frontal Ouachita Mountains
Anchimetamorphism Diagenesis Illite Illite crystallinity Polytype Provenance Vitrinite reflectance X-ray powder diffraction
2011/12/30
Clay mineralogy (including illite crystallinity) was studied in Pennsylvanian synorogenic sediments (Atoka Formation) in the subsurface of the Arkoma Basin and the adjacent Ouachita thrust belt. Vitri...
Clay Mineralogy, Alteration History, and Economic Geology of the Whitemud Formation, Southern Saskatchewan, Canada
Abrasion Brightness Eastend Formation Frenchman Formation Kaolin Kaolinite Paleosol Whitemud Formation
2012/1/4
The Upper Cretaceous (Maastrichtian) Whitemud Formation is a potentially commercial kaolin deposit located in southern Saskatchewan and southeastern Alberta. The Whitemud Formation contains a lower ka...
CLAY MINERALOGY OF NEOGENE SEDIMENTS OF THE WESTERN ARABIAN SEA:MINERAL ABUNDANCES AND PALEOENVIRONMENTAL IMPLICATIONS
CLAY MINERALOGY THE WESTERN ARABIAN SEA
2011/11/7
Clay mineral relative abundances in approximately 450 samples from cores recovered during ODP Leg 117 in the Arabian Sea have been used to examine the paleoclimatic, paleoenvironmental, and tectonic h...
Weathering of Iron-Bearing Minerals in Soils and Saprolite on the North Carolina Blue Ridge Front: II. Clay Mineralogy
Chlorite Goethite Hematite Iron Kaolinite Mossbauer spectroscopy Saprolite Soils Vermiculite Weathering
2011/11/30
Abstract: The mineralogy of the clay fraction was studied for soils and saprolite on two Blue Ridge Front mountain slopes. The clay fraction contained the weathering products of primary minerals in th...
Effect of Clay Mineralogy and Aluminum and Iron Oxides on the Hydraulic Conductivity of Clay-Sand Mixtures
Aluminum oxide Exchangeable sodium percentage Hydraulic conductivity Illite Iron oxide Montmorillonite Salinity Sand
2012/2/2
Changes in hydraulic conductivity and clay dispersivity of clay-sand mixtures (four reference smectites and Fithian illite) as a function of concentration (0.01 M Cl− and distilled water) and so...
Clay Mineralogy in Relation to Deltaic Sedimentation Patterns of Desmoinesian Cyclothems in Iowa-Missouri
Clay Mineralogy Desmoinesian Cyclothems Iowa-Missouri
2012/2/13
Almost four decades of study of Desmoinesian strata of Middle Pennsylvanian age in south-central Iowa and north-central Missouri have provided the stratigraphic control required to test the variation ...
Clay Mineralogy of Some Silty Soils of the Inner Coastal Plains of Mississippi
Clay Mineralogy Silty Soils the Inner Coastal Plains Mississippi
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 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...