搜索结果: 1-15 共查到“矿床学与矿相学 rocks”相关记录40条 . 查询时间(0.235 秒)
Basic Rocks as a Source of Phyllosilicate in Soils of Tundra and Northern Taiga (Russia)
Basic Rocks Source Phyllosilicate Soils Tundra Northern Taiga
2012/3/14
Basic Rocks as a Source of Phyllosilicate in Soils of Tundra and Northern Taiga (Russia).
CHARACTERISTICS OF A Mg-PALYGORSKITE IN MIOCENE ROCKS,MADRID BASIN (SPAIN)
Esquivias FTIR Spectroscopy Mg-palygorskite Octahedral Occupancy Palygorskite
2011/11/7
Palygorskite in Miocene mudstones, palustrine limestones and calcretes from the Esquivias locality (Madrid Basin, Spain) has been analyzed by X-ray diffraction, infrared spectroscopy, scanning electro...
Palygorskite in Miocene rocks of northern Iraq:environmental and geochemical indicators
Palygorskite Authigenesis Miocene Iraq
2011/11/4
the mineralogical characteristics of palygorskite from the Lower Miocene Euphrates Formation and the Middle Miocene Fat’ha (Lower Fars) succession in north and northwestern Iraq were studied by X-ray ...
K-rich rocks and their relation to mineralization in the Mátra Mountains (North Hungary)
K-metasomatism Neogene volcanites hydrothermal mineralization Matra Mts
2011/11/10
At the end of the 1960s scientists of the Geological Institute of the Hungarian Geological Survey described K-enrichments in different rock types exposed at surface in the Western and Central Mátra Mt...
Correlation of the clay mineral distributions in the sedimentary rocks of south and western Zagros, Iran
chlorite palygorskite kaolinite clay mineral distributions
2011/11/8
Clay minerals of calcareous sedimentary rocks of south (Fars and Kuhgiluyeh Boyerahmad Provinces) and western Iran (Kurdestan Province) as a part of the old Tethys area were investigated in order to c...
Quantitative X-Ray Diffraction Analysis of Clay-Bearing Rocks from Random Preparations
Clay Minerals Marls Quantitative Analysis Shales X-ray Diffraction
2011/12/5
Abstract: An internal standard X-ray diffraction (XRD) analysis technique permits reproducible and accurate calculation of the mineral contents of rocks, including the major clay mineral families: Fe-...
Diagenesis of Dioctahedral and Trioctahedral Smectites from Alternating Beds in Miocene to Pleistocene Rocks of the Niigata Basin, Japan
Chlorite-Smectite Clay Mineral Diagenesis C-S Geothermometer Illite-Smectite I-S Niigata Basin Saponite
2011/12/5
Abstract: Clay mineral diagenesis in the Niigata basin is documented by mineralogical and chemical analysis of clay minerals from cuttings from the Shinkumoide SK-1D (SSK-1D) well which is characteriz...
Genesis of Dioctahedral Phyllosilicates During Hydrothermal Alteration of Volcanic Rocks: II. The Broadlands-Ohaaki Hydrothermal System, New Zealand
Crystallization Dioctahedral Phyllosilicates Hydrothermal System Illite-Smectite (I-S) Polytypism Transmission Electron Microscopy
2011/12/2
Abstract: The clay mineral textures, assemblages, formation mechanisms, and controlling geological parameters relating to alteration of silicic volcanic rocks by hydrothermal solutions, in core sample...
Genesis of Dioctahedral Phyllosilicates During Hydrothermal Alteration of Volcanic Rocks: I. The Golden Cross Epithermal Ore Deposit, New Zealand
1M polytype Dioctahedral Clay Minerals Epithermal Hydrothermal Alteration Illite-Smectite (I-S) Neoformation Smectite Transmission Electron Microscopy (TEM)
2011/12/2
Abstract: To characterize the evolution of dioctahedral interstratified clay minerals in the Golden Cross epithermal deposit, New Zealand, hydrothermally altered volcanic rocks containing the sequence...
Geology and Characterization of Two Hydrothermal Nontronites from Weathered Metamorphic Rocks at the Uley Graphite Mine, South Australia
Amphibole Alteration Biotite Alteration Hydrothermal Alteration Infrared Spectroscopy NAu-1 NAu-2 Nontronite Weathering X-ray Diffraction
2011/12/6
Abstract: Mining operations during the early 1990s at Uley Graphite Mine near Port Lincoln on southern Eyre Peninsula, South Australia, uncovered abundant nontronite veins in deeply weathered granulit...
Transmission Electron Microscopy Study of Very Low-Grade Metamorphic Rocks in Cambrian Sandstones and Shales, Ossa-Morena Zone, Southwest Spain
AEM Anchizone Chloritic Phases Clastic Rocks Mica Polytypes Variscan Belt
2011/12/5
Abstract: This study examines the evolution of the texture, structure, and chemical composition of rocks derived from clastic materials of the Ossa-Morena Zone (Hesperian Massif, Spain). Previous stud...
A Color Atlas of Carbonate Sediments and Rocks Under the Microscope
Color Atlas Carbonate Sediments Rocks Under Microscope
2012/4/1
This book traces in detail the developments in igneous pe-
trology of the theory of crystallization-differentiation as es-
poused by N.L. Bowen, whose overarching genius generated a
revolution in t...
Comparison of conventional and garnet-aluminosilicate-quartz O isotope thermometry: Insights for mineral equilibration in metamorphic rocks
Comparison of conventional garnet-aluminosilicate-quartz O mineral equilibration metamorphic rocks
2012/4/1
Oxygen isotope thermometry based on fractionations among quartz, garnet, kyanite, silliman-
ite, and potassium feldspar in amphibolite to granulite facies schists and gneisses was compared to
thermo...
Quantification and Characterization of Maghemite in Soils Derived from Volcanic Rocks in Southern Brazil
Aluminum Substitution Ferrimagnetic Maghemite Magnetic Susceptibility Magnetite Selective Dissolution
2011/12/7
Abstract: Many soils developed from volcanic rocks in southern Brazil exhibit spontaneous magnetization caused by the presence of fine-grained maghemite (γ-Fe2O3), but few attempts were made to quanti...
Third Hutton Symposium: The Origin of Granites and Related Rocks. Edited by M. Brown, P.A. Candela, D.L. Peck, W.E. Stephens, R.J. Walker, and E. Zen. Geological Society of America Special Paper 315, 1996
Origin of Granites Related Rocks Geological Society America Special Paper
2012/3/31
The controversies surrounding granites never seem to die.
Two hundred years ago a debate raged over whether granites are
sedimentary or igneous. With James Hutton effectively putting
that one to re...