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Sequence Stratigraphy and Rudist Facies Development of the Upper Barremian-Lower Cenomanian Platform, Northern Sinai, Egypt
Cretaceous sequence stratigraphy rudists Sinai Egypt
2018/4/10
The Lower Cretaceous sections in northern Sinai are composed of the Risan Aneiza (upper Barremian-middle Albian) and the Halal (middle Albian-lower Cenomanian) formations. The facies reflect subtle pa...
Sedimentology and Sequence Stratigraphy of Marine to Lacustrine Deltaic Deposits in a Craton Basin and Their Controlling Factors: Shan 2 Member–He 8 Member (Guadalupian–Lopingian, Permian), Southeast Ordos Basin, North China
sequence stratigraphy sedimentary sequence delta marine to lacustrine evolution Roadian–Wuchiapingian Ordos Basin
2018/4/10
The Shan 2 Member, Shan 1 Member and He 8 Member of the Mid–Late Permian Shanxi and lower Xiashihezi formations, in the southeastern Ordos Basin, together comprise ~150 m of deltaic deposits. This seq...
Intrinsic Qp at Mt. Etna from the inversion of rise times of 2002 microearthquake sequence
intrinsic quality factor stress drop rise time corrected Akaike information criterion
2015/9/8
About three-hundred microearthquakes, preceeding and accompanying the 2002-2003 Mt. Etna flank eruption,
were considered in this study. On the high-quality velocity seismograms, measurements of the f...
The Utilization of the Contrary Space Sequence Analytic Method in Modern Villages and Towns Planning Design
Analysis Contrary Space Sequence Design Planning of Village and Town
2011/12/20
The combination of the Contrary Space Sequence is the rule of the composition of landscape space which the majority historical towns followed. the charm of several hundred years’ ancient town space is...
The sedimentary sequence recovered from the Voka outcrops,northeastern Estonia:implications for late Pleistocene stratigraphy
last ice age chrono and palynostratigraphy northeastern Estonia Voka site
2009/10/21
New palaeoenvironmental and geological data, which may be integrated with the results from the neighbouring regions,were collected from two well-exposed continuous outcrops in the vicinity of Voka vil...
Multiply remagnetized Silurian carbonate sequence in Estonia
remagnetization rock and mineral magnetism Baltica
2009/10/21
Palaeomagnetic studies were carried out on Silurian sedimentary rocks of Estonia. The studied sequence (126 samples from 4 localities) is composed of Silurian lime- and dolostones of Llandovery and We...
Biostratigraphic and Environmental Analysis of the Upper Jurassic- Lower Cretaceous Carbonate Sequence in the Başoba Yayla Area (Trabzon, NE Turkey)
Biostratigraphy Depositional environment Carbonate platform Upper Jurassic-Lower Cretaceous Eastern Pontides Turkey
2009/7/8
In the Başoba Yayla (Trabzon, NE Turkey) area, which is located in the Eastern Pontides northern zone, platform carbonates were deposited during the Late Jurassic-Early Cretaceous time in environ...
Heterogeneities of hydrocarbon compositions in mudstones of a turbiditic sequence of the Miocene Kawabata Formation in Yubari, central Hokkaido, Japan
hydrocarbon biomarker turbiditic sequence geochemical heterogeneity terrigenous material transport paleoenvir
2017/8/10
Biomarker analyses of aliphatic and aromatic hydrocarbons were conducted on the upper and lower parts of individual mudstones in a turbiditic sequence of the Miocene Kawabata Formation, Yubari, centra...
First Occurrence of a Stacking Sequence including (?0? 180? Rotations in Mg-Rich Annite
Annite Biotite HRTEM Mica Polytype-2O Polytypism Stacking Disorder
2011/12/8
Abstract: Transmission electron microscopy (TEM) observation shows narrow regions in a Ti-containing Mg-rich annite of composition (K0.90Na0.02)(Mg0.72Fe2+1.78Mn0.03Ti0.27Al0.05)(Si2.77Al1.23)O10(OH,F...
Ordering of the stacking sequence in cookeite with increasing pressure: An HRTEM study
Ordering stacking sequence cookeite increasing pressure HRTEM study
2012/4/5
To explore the effect of pressure on the stacking-sequence of the chlorite cookeite, a systematic TEM study ofstacking microstructures has been conducted onnatural samples from pegmatitic and metamorp...
Smectite-to-Illite Conversion in a Geothermally and Lithologically Complex Permian Sedimentary Sequence
Burial diagenesis Contact metamorphism Lithology Paleotemperature Vitrinite reflectance
2011/12/1
The <0.5-祄 fraction of 120 samples from a lithologically complex Permian sedimentary sequence, underlying dolerite intrusive sheets, has been characterized by means of X-ray diffraction to establish I...
Structural Variations in Chlorite and Illite in a Diagenetic Sequence from the Imperial Valley, California
Chlorite Diagenesis High-gradient magnetic separation Illite Interstratification Polytype X-ray powder diffraction
2012/1/4
Samples of cuttings from the Borchard A-2 well, Imperial Valley, California, were collected over a measured borehole temperature interval 135° to 275°C. The <0.5-µm (e.s.d.) fraction was separat...
Weathering Sequence and Alteration Products in the Genesis of the Graskop Manganese Residua, Republic of South Africa
Birnessite Dolomite Infrared spectroscopy Manganese Nsutite Petrography Wad Weathering X-ray powder diffraction
2012/1/10
Although numerous, small, manganese oxide deposits associated with dolomite in the Eastern Transvaal escarpment, Republic of South Africa, have been known for many years, their mineralogical make-up i...
Weathering of Enstatite to Talc Through a Sequence of Transitional Phases
Biopyribole Enstatite Smectite Talc Transmission electron microscopy Weathering
2011/11/23
Abstract: Orthopyroxene (En85) weathers initially by vacancy diffusion, and through this process hydration occurs and a sequence of biopyriboles develops, culminating in a talc-like layer silicate who...
The Influence of Hydroxyl Orientation, Stacking Sequence, and Ionic Substitutions on the Interlayer Bonding of Micas
Hydroxyl Orientation Stacking Sequence Ionic Substitutions Micas
2012/2/13
Hydroxyl orientation has a major influence on the strength of the ionic interlayer bonding in micas because of the strong repulsion between the hydrogen and the interlayer cation (IC). In order to det...