搜索结果: 1-15 共查到“地质学 relationships”相关记录21条 . 查询时间(0.072 秒)
The Paleotopography Reconstruction of late Cretaceous Dabie Orogen by Low-Temperature Thermochronological Age-Elevation Relationships
Dabie Orogen Low-Temperature Thermochronology Paleotopography
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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 ...
Mesozoic hybodont sharks from Asia and their relationships to the genus Ptychodus
Jurassic Cretaceous Hybodontiformes Ptychodontidae Asia
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2009/10/20
The affinities of the selachian genus Ptychodus is discussed and Hemiptychodus is here re-introduced as a subgenus characterized by unusual tooth ornamentation pattern.An overview ofAsian hybodont gen...
Nature, Provenance and Relationships of Early Miocene Palaeovalley Fills, Northern Adana Basin, Turkey: Their Significance for Sediment-Bypassing on a Carbonate Shelf
Adana Basin alluvial fan submarine fan palaeovalley sediment bypassing sequence stratigraphy
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2009/7/7
The Gildirli Formation is the oldest Neogene rock unit in the Adana Basin and was formed prior to the regionally extensive Early Miocene marine transgression. These coarse clastic red-beds provide imp...
The Relationships Between Kaolinite Crystal Properties and the Origin of Materials for a Brazilian Kaolin Deposit
ATEM Defect EPR Formation Condition Kaolinite Morphology Saprolite Soil XRD
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2011/12/2
Abstract: The clay particles in a kaolin deposit from Brazil were investigated by X-ray diffraction (XRD), differential thermal analysis (DTA), analytical transmission electron microscopy (ATEM), and ...
Relationships between respiratory diseases and quartz-rich dust in Idaho, U.S.A.
respiratory diseases quartz-rich dust Idaho PM10
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2012/3/31
Quartz°(TM)one of the most abundant minerals in the Earth°Os crust°(TM)has been deemed a human c
cinogen by the International Agency for Research on Cancer (IARC), with the main threat to humans
bei...
Crystal structure-crystal chemistry relationships in the zeolites erionite and offretite
Crystal structure-crystal chemistry relationships zeolites erionite offretite
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2012/3/31
This study clarifies the crystal structure variations and relationships in the zeolites eri-onite and offretite. The crystal structure analyses used Rietveld analysis of X-ray powder diffraction data,...
Relationships between microstructure and composition in enargite and luzonite
Relationships microstructure composition
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2012/3/31
Cu3(As,Sb)S4 minerals commonly contain structurally disordered crystals of intergrown enargite and the luzonite-famatinite series (Po?sfai and Sundberg 1998). Here we discuss the relationships between...
Clintonite-1M: Crystal chemistry and its relationships to closely associated Al-rich phlogopites
Clintonite-1M:Crystal chemistry relationships associated Al-rich phlogopites
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2012/4/6
Crystal-structurere?nementswereperformedonclintonite-1M crystals[idealcompo-sitionCa (Mg Al) (SiAl )O (OH) ]fromskarnsofthePredazzo-MonzoniareaandAdamelloMassif(northernItaly)withtheaimofcharacterizin...
Refined Relationships between Chemical Composition of Dioctahedral Fine-Grained Micaceous Minerals and Their Infrared Spectra within the OH Stretching Region. Part II: The Main Factors Affecting OH Vibrations and Quantitative Analysis
Cation Mass Cation Valency IR Spectra OH Stretching Frequencies Quantitative Analysis
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2011/12/9
Abstract: A new model for the interpretation of dioctahedral mica infrared (IR) spectra in the OH stretching vibration region is proposed. It is based on the analysis of the main factors responsible f...
Refined Relationships between Chemical Composition of Dioctahedral Fine-Grained Mica Minerals and Their Infrared Spectra within the OH Stretching Region. Part I: Identification of the OH Stretching Bands
Celadonite Glauconite Illite IR Spectra Leucophyllite OH Stretching Frequency
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2011/12/9
Abstract: A large and representative collection of clay-size dioctahedral mica minerals differing in their chemical compositions has been studied by infrared (IR) spectroscopy in the OH stretching vib...
Potential-Distance Relationships of Clay-Water Systems Considering the Stern Theory
Cation Size Clay Minerals Diffuse Double Layer Electric Potential Stern Theory
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2011/12/27
Abstract: This paper deals with the use of Stern theory as applied to a clay-water electrolyte system, which is more realistic to understand the force system at micro level than the Gouy-Chapman theor...
Epidote in calc-alkaline magmas: An experimental study of stability, phase relationships, and the role of epidote in magmatic evolution
Epidote calc-alkaline magmas stability phase relationships the role of epidote magmatic evolution
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2012/4/5
Experiments on tonalite and granodiorite wereperformed at conditions ranging from 2.1 to 18kbar and 550 to 850°C to establish the magmatic stability field ofepidote as a function ofP, T,and f02. Atwat...
Structure-Composition Relationships in Trioctahedral Chlorites: A Vibrational Spectroscopy Study
Chlorite Hydroxyl Infrared spectroscopy Raman spectroscopy Structure
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2012/1/4
Raman and Fourier-transformed infrared spectra of natural trioctahedral chlorites of polytype IIb were obtained for a series of samples characterized by distinct Fe/(Fe + Mg) and Si/Al ratios ranging,...
Hypothetical Structures of Magadiite and Sodium Octosilicate and Structural Relationships Between the Layered Alkali Metal Silicates and the Mordenite- and Pentasil-Group Zeolites
Alkali metal silicate Bikitaite Crystal structure Dachiardite Epistilbite Infrared spectroscopy Magadiite Mordenite Nuclear magnetic resonance
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2012/1/9
Hypothetical model structures for magadiite and sodium octosilicate, based on the structure of the zeolite dachiardite, are proposed that consist of layers of 6-member rings of tetrahedra and blocks c...
Mineralogy and Genetic Relationships of Tonstein, Bentonite, and Lignitic Strata in the Eocene Yegua Formation of East-Central Texas
Bentonite Clinoptilolite Kaolinite Lignite Smectite Tonstein Weathering
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2012/2/6
A kaolinite-rich bed (tonstein) and an associated bentonite in the upper part of Yegua Formation at College Station, east-central Texas, were formed by in situ weathering processes in a late Eocene sw...