搜索结果: 1-15 共查到“凹凸棒石 Cretaceous”相关记录15条 . 查询时间(0.111 秒)
The Paleotopography Reconstruction of late Cretaceous Dabie Orogen by Low-Temperature Thermochronological Age-Elevation Relationships
Dabie Orogen Low-Temperature Thermochronology Paleotopography
2011/12/20
The paleotopography reconstruction of orogen has an important research value on the study of mountain building and the study of orogen’s regional control over the paleoclimate change. Considering the ...
Kubler Illite “Crystallinity” Index of the Cretaceous Gyeongsang Basin, Korea: Implications for Basin Evolution
Gyeongsang Basin Illite Crystallinity (Kübler Index) Korea Low-Grade Metamorphism
2011/12/2
Abstract: Thermal maturity of the Lower Cretaceous Sindong and Hayang groups in the Gyeongsang Basin, Korea, was investigated using the Kübler illite “crystallinity” index (KI) which is based on the n...
The Kinetics of the Smectite to Illite Transformation in Cretaceous Bentonites, Cerro Negro, New Mexico
Bentonite Cerro Negro Cretaceous Illite I-S K-Ar Kinetics Microorganisms New Mexico Smectite
2011/12/7
Abstract: The thermal effects, as well as the survivability and origins of microorganisms in Cretaceous rocks, are evaluated from the timing and extent of the smectite to illite transformation in Cret...
An Fe-Berthierine from a Cretaceous Laterite: Part II. Estimation Of Eh, pH and pCO2 Conditions of Formation
Berthierine Gibbsite Goethite Cretaceous Kaolinite pCO2 pH Siderite Soil Zone Weathering
2011/12/22
Abstract: Transgression by the Western Interior Sea during the Late Cretaceous in southwestern Minnesota caused swampy conditions to be imposed upon a laterite consisting of gibbsite, goethite and kao...
An Fe-Berthierine from a Cretaceous Laterite: Part I. Characterization
Berthierine Cretaceous Weathering Kaolinite Minnesota Pisoid
2011/12/22
Abstract: An Fe-berthierine occurs in a buried laterite from the Late Cretaceous (Cenomanian) in southwestern Minnesota. It formed beneath a lignitic horizon in which reducing solutions percolated thr...
Berthierine from the Lower Cretaceous Clearwater Formation, Alberta, Canada
Berthierine Chamosite Diagenesis Neoformation Odinite Oil Sands
2011/12/1
Abstract: Berthierine occurs as pore-linings of well crystallized laths of variable thickness in oil-sands of the Clearwater Formation, Alberta, Canada. Berthierine crystallized early in diagenesis wi...
Origin of Cretaceous and Oligocene Kaolinites from the Iwaizumi Clay Deposit, Iwate, Northeastern Japan
Climate Cretaceous Hydrogen-isotopes Iwate Japan Kaolinite Oligocene Oxygen-isotopes
2011/12/27
Abstract: Hydrogen- (δD = −106 to −97‰) and oxygen-(δ18O = +14.0 to +16.6‰) isotope compositions of kaolinite from late Cretaceous and Oligocene deposits at Iwaizumi, northeastern Japan, i...
Particle Morphological Evolution During the Conversion of I/S to Illite in Lower Cretaceous Shales from Sergipe-Alagoas Basin, Brazil
Illite Illite/smectite Morphology Shale TEM XRD
2011/12/1
Abstract: The illitic end of mixed-layer illite-smectite series (I/S) in shales from Lower Cretaceous Barra de Itiúba Formation, Sergipe-Alagoas basin, was examined with X-ray powder diffraction (XRD)...
Origin and Clay-Mineral Genesis of the Cretaceous/Tertiary Boundary Unit, Western Interior of North America
Claystone Ejecta Glass alteration Halloysite Kaolinite K/T boundary unit Meteorite impact SEM XRD
2011/12/1
Abstract: A 3-cm-thick, two-layered clay unit that records mineralogic and textural evidence of a catastrophic event that occurred at a time now marked as the end of the Cretaceous Period was preserve...
Origin of the Mg-Smectite at the Cretaceous/Tertiary (K/T) Boundary at Stevns Klint, Denmark
K/Ar dating K/T boundary Rare earth elements Smectite
2011/12/30
The clay mineralogy and major element geochemistry of four distinct layers within the Cretaceous/Tertiary (K/T) boundary marl (i.e., II, IIIa, IIIb, and IV) at Stevns Klint, Denmark, including 搃mpact ...
Absence of Clay Diagenesis in Cretaceous-Tertiary Marine Shales, Campos Basin, Brazil
Diagenesis Illite Interstratified Nontronite Shale Smectite X-ray powder diffraction
2012/1/12
In Upper Cretaceous-Tertiary marine shales (Campos Formation) from the Campos basin, Brazil, mixed-layer illite/smectite (I/S) has remained randomly interstratified to depths of 3500 m and to temperat...
Relationship Between Illite/Smectite Diagenesis and Hydrocarbon Generation in Lower Cretaceous Mowry and Skull Creek Shales of the Northern Rocky Mountain Area
Diagenesis Hydrocarbon Illite/smectite Interstratification Maturation Pyrolysis Shale
2012/1/12
The percentage of expandable layers in illite/smectite (I/S) mixed-layer clay decreases with increasing temperature and depth in a section through marine Cretaceous shales in the Champlin 1 Hartley Fe...
Goyazite in Kaolinitic Altered Tuff Beds of Cretaceous Age Near Denver, Colorado
Diagenesis Goyazite Kaolinite Phosphorus Volcanic ash
2012/2/7
A hydrated alumino-phosphate mineral was identified in thin, kaolinitic clay beds of the Cretaceous Dakota Group and the overlying Mowry Shale in the Dakota hogback west of Denver, Colorado. It occurs...
Clays, Cations, and Geophysical Log Response of Gas-Producing and Nonproducing Zones in the Gammon Shale (Cretaceous), Southwestern North Dakota
Exchange cations Geophysical log Mixed layer Natural gas Shale Statistical analysis
2012/2/6
The Upper Cretaceous Gammon Shale has served as both source bed and reservoir rock for accumulations of natural gas. Gas-producing and nonproducing zones in the Gammon Shale are differentiated on the ...
Diagenesis of Clay Minerals from Lower Cretaceous Shales of North Eastern British Columbia
Diagenesis Clay Minerals Lower Cretaceous Shales North Eastern British Columbia
2012/2/15
Clay minerals from shale outcrops of the Lower Cretaceous Buckinghorse Formation (4250 ft thick) were investigated in order to assess their degree of diagenesis and their oil-generating potential. Cry...