搜索结果: 1-15 共查到“凹凸棒石 Spain”相关记录19条 . 查询时间(0.099 秒)
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...
Lacustrine chalky carbonates: origin, physical properties and diagenesis (Palaeogene of the Madrid Basin, Spain)
Chalky carbonates Lacustrine deposits Physical properties Overpressure Palygorskite Palaeogene
2011/11/8
The Palaeogene lacustrine chalky carbonates of the Madrid Basin are a peculiar type of very soft and friable carbonate facies with high porosity despite being covered by more than 800 m of sediment. S...
Microtextures and the Origin of Muscovite-Kaolinite Intergrowths in Sandstones of the Utrillas Formation, Basque Cantabrian Basin, Spain
Epitactic Geomechanical Parameters HRTEM Muscovite-kaolinite Intergrowth SEM Timing
2011/12/5
Abstract: Muscovite-kaolinite intergrowths found in Albian sandstones of the Basque Cantabrian basin (northern Spain) were studied by optical, scanning and electron microscopy and electron microprobe ...
Dolomitization and silicification in low-energy lacustrine carbonates (Paleogene, Madrid Basin, Spain)
Shallow lacustrine carbonates Chalks Dolomitization Cherts Paleogene Madrid Basin
2011/11/14
Repetitive sequences of carbonate deposits, occurrence include in the lower part of the Paleogene Carbonate Unit (northeast border of the Madrid Basin), have been studied, defining regressive lacustri...
Transmission Electron Microscopy Study of Illitization in Pelites from the Iberian Range, Spain: Layer-by-Layer Replacement?
Analytical Electron Microscopy I-S Illite Illitization Process Polytypism Prograde Diagenesis Scanning Electron Microscopy Transmission Electron Microscopy
2011/12/6
Abstract: A sequence of interstratified illite-smectite (I-S) and illite in Paleozoic pelites and metapelites from the Iberian Range, Spain, was studied by X-ray diffraction (XRD), scanning electron m...
Mg-Rich Smectite “Precursor” Phase in the Tagus Basin, Spain
Precursor Clay Smectite Stevensite Tagus Basin (Spain) Incipient Crystallization
2011/12/6
Abstract: The pink clays from the Tagus basin, Spain, were characterized by X-ray difraction (XRD), infrared spectroscopy (IR), scanning electron microscopy (SEM), and transmission electron microscopy...
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...
Chlorite, Corrensite, and Chlorite-Mica in Late Jurassic Fluvio-Lacustrine Sediments of the Cameros Basin of Northeastern Spain
Cameros Basin Chlorite Chlorite-Mica Corrensite EMPA Low-Grade Metamorphism Sedimentary Facies Spain XRD
2011/12/6
Abstract: The distribution and crystal-chemical characteristics of chlorite, corrensite, and mica in samples from a stratigraphic profile in the Cameros basin are controlled by changes in the sediment...
Chemistry and genetic implications of tourmaline and Li-F-Cs micas from the Valdeflores area (Cáceres, Spain)
Valdeflores area tourmaline-rich rocks Li-F-Cs
2012/3/30
Pervasivemetasomatismthatinvolvedtheformationoftourmaline-richrocksandin?ux
ofLi,F,andCsintoOrdovicianpsammo-peliticmetasedimentsoccurredintheValde?ores
area(Ca!ceres,Spain).NumerousLi-andSn-bearing...
Randomly Interstratified Kaolinite-Smectite from Galicia (NW Spain): A New Procedure for Determination
Acid Soil Gabbro Interstratified Kaolinite-Smectite Paleohorizons
2011/12/9
Abstract: A new protocol was developed to examine an assemblage of kaolinite-smectite in a buried horizon of a paleosol developed on gabbro parent material. The new extraction procedure appears suitab...
A hydrous Ca-bearing magnesium carbonate from playa lake sediments, Salines Lake, Spain
A hydrous Ca-bearing magnesium carbonate from playa lake sediments Salines Lake Spain
2012/4/5
edimentsofplayaLakeSalines,SE,Spain,containacarbonatemineralcharacterizedbyXraydiffractionpeaksverysimilarto,butsystematicallyshiftedfromthoseofpuremagnesite.Analyses(SEM,IRandRamanspectroscopy,DTA,TG...
Dickite, Nacrite and Possible Dickite/Nacrite Mixed-Layers from the Betic Cordilleras (Spain)
Dickite Differential thermal analysis Infrared spectroscopy Mixed-layers Nacrite Very low-grade metamorphism X-ray powder diffraction
2011/12/23
Abstract: Nacrite, dickite and intermediate dickite-nacrite phases have been identified from the upper Paleozoic sequences of the Malúguide Complex (Betic Cordilleras, Spain). Nacrite developed as euh...
Pedogenic and groundwater processes in a closed Miocene basin(northern Spain)
Pedogenic Miocene basin Sepfilveda-Ayll6n Basin
2011/11/7
The Sepfilveda-Ayll6n Basin (SAB) was an episodically closed Miocene basin adjacent to the Tertiary Duero Basin (northern Spain). The sediments studied here represent a depositional system developed f...
Diagenetic Kaolinite/Dickite (Betic Cordilleras, Spain)
Crystallinity Dickite Differential thermal analysis Electron microscopy Infrared spectroscopy Interstratified minerals Kaolinite Thermogravimetry X-ray powder diffraction
2011/12/30
The lower Permo-Triassic sediments of the Maláguide Complex contain abundant dickite. Whole rocks were studied by optical microscopy, scanning electron microscopy, and X-ray powder diffraction. The 2–...
The Influence of Local Sources on the Mineral Content of Bulk Deposition Over an Altitudinal Gradient in the Filabres Range(SE Spain)
Influence of Local Sources Bulk Deposition Altitudinal Gradient the Filabres Range SE Spain
2011/11/11
The Influence of Local Sources on the Mineral Content of Bulk Deposition Over an Altitudinal Gradient in the Filabres Range(SE Spain).