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The Role of Extensional Fractures and Quartz Veins in the Formation of Kaolin Deposit From the Dwyka Tillite in Grahamstown, Eastern Cape Province, South Africa
Role Extensional Fractures Quartz Veins Formation Kaolin Dwyka Tillite
2012/3/14
The Role of Extensional Fractures and Quartz Veins in the Formation of Kaolin Deposit From the Dwyka Tillite in Grahamstown, Eastern Cape Province, South Africa.
Inland wetlands with sulfidic sediments provide ideal conditions for Akaganéite formation
Inland wetlands sulfidic sediments provide ideal conditions Akaganéite formation
2012/3/30
The prevalence of sulfidic sediments in inland wetlands has been recognized in the last few years in many parts of the world including Australia (Lamontagne et al., 2006). Under conditions of very hig...
Formation Mechanism and Characteristics of the Bei’an to Heihe Expressway K177 Landslide
Expressway Formation Mechanism Landslide Stability Water Content Change
2011/12/21
Bei'an to Heihe highway is being widen to expressway at present in Heilongjiang province, some sections are located in ancient landslide bodies, influenced by the landform, rainfall, freeze thawing an...
Formation, Declination and Rebuilding of City Features
Characteristic Inspiration Mechanism Regulation Urban Morphology
2011/12/20
Feature decline is a common phenomenon in our city nowadays. Taking the cities in southwest china for example, this paper discusses conception and formation of urban morphology,sums up the influencing...
PALYGORSKITE FORMATION UNDER THE INFLUENCE OF GROUNDWATER INCENTRAL IRANIAN SOILS
Palygorskite Smectite Soil solution Central Iran
2011/11/4
Palygorskite is a dominant clay mineral in most soils and sediments in central Iran. Few studies investigated the formation of palygorskite under the influence of groundwater in central Iran. This stu...
Fibrous-clay mineral formation and soil evolution in Aridisols of northeastern Patagonia, Argentina
Palygorskite Sepiolite Fluorite Soil genesis Calcic and petrocalcic horizons Chubut province of Argentina
2011/11/11
Recent studies of soil–landscape relationships in northeastern Patagonia identified fibrous-clay minerals in calcic and petrocalcic horizons
developed on old fluvio-glacial plains called “Rodados Pat...
Beyond the buildings: Formation processes of ancient Maya houselots and methods for the study of non-architectural space
Activity areas Ethnoarchaeology Formation processes Space Chunchucmil Maya Refuse Biomarkers Coprostanol
2011/11/14
The success of activity areas research in domestic contexts has highlighted the need for archaeologists working in the tropics to explore both indoor and outdoor spaces. The preservation of houselot b...
The Origin of Clay Minerals in Salina Playa-Mudflat Facies,Yenicubuk Formation (Lower-Middle Miocene), Gemerek, Sivas, Turkiye
Playa-Mudflat Facies Clay Minerals palygorskite
2011/11/8
The playa-mudflat facies under investigation are found in the Gemerek Basin (Sivas, T黵kiye). This Miocene basin is bordered by the Akdag Metamorphics (Paleozoic) to the N-NW, the Elmal齞ag Volcanic Roc...
Clay mineral association in the salt formation of the Transylvanian basin and its paleoenvironmental significance
clay minerals salt paleoenvironment Badenian Transylvania Romania
2011/11/11
The investigated clay fraction was separated from salt samples recovered from three boreholes located in the Praid salt deposit area. For comparison, samples collected from Turda deposit (Franz Josef ...
Characterization method of Limestone according to the Formation Age on manufacturing process of aragonite precipitated calcium carbonate
Characterization method Limestone the Formation Age manufacturing process aragonite calcium carbonate
2012/3/28
Korea has about 68 hundreds million tons of limestone's reserves. Still, high-Ca2+ limestone containing more than 52% calcium oxide makes up for about 12% only; hence the need for securing and effecti...
Manufacturing Characteristics of Precipitated Calcium Carbonate according to the Formation Age of Limestone
Manufacturing Characteristics Precipitated Calcium Carbonate Formation Age Limestone
2012/3/28
Limestone is abundant mineral that has occupied about 14% of the earth's crust and 20~30% of the sedimentary rock all over the world. As extensive distribution, limestone contains various minerals suc...
Facies-related diagenetic alteration in lacustrine–deltaic red beds of the Paleogene Ergeliin Zoo Formation (Erdene Sum area, S. Gobi, Mongolia)
Lacustrine–deltaic Carbonate Phyllosilicates Diagenesis Paleogene Mongolia
2011/11/14
The Late Eocene Ergeliin Zoo Formation, Mongolia, was subdivided into four facies associations/stratigraphic units which
are characterized by various carbonate minerals: (I) mud–sand flat (low-Fe dol...
FORMATION OF SEPIOLITE-PALYGORSKITE AND RELATED MINERALS FROM SOLUTION
Activity Diagrams Clays Kerolite Palygorskite Saponite Sepiolite Solution
2011/11/4
Most of the world’s sepiolite-palygorskite precipitates in lacustrine and perimarine environments. Although these minerals can transform from precursor minerals, the most common formation mechanism in...
Authigenic Phyllosilicates in the Middle Triassic Kremikovtsi Sedimentary Exhalative Siderite Iron Formation, Western Balkan, Bulgaria
Barite Berthierine Carbonate-hosted Chamosite Illite-smectite Iron Formation Kaolinite SEDEX Siderite
2011/12/5
Abstract: Two distinct assemblages of authigenic phyllosilicates were distinguished in the Kremikovtsi sedimentary exhalative (SEDEX) siderite iron formation (SIF) and noted as important tracers of tw...
Experimental Clay-Mineral Formation from a Subvolcanic Rock by Interaction with 1 M NaOH Solution at Room Temperature
AEM Analysis Berthierine Interstratification Lizardite NaOH Solution Smectite
2011/12/2
Abstract: The alteration process of a subvolcanic rock with calcic plagioclase, pyroxene, and olivine as major components was investigated by X-ray diffraction (XRD) and analytical and transmission el...