搜索结果: 1-15 共查到“地质学 Weathering”相关记录56条 . 查询时间(0.093 秒)
中国地质大学科学技术发展院邓晓东,李建威等资源学院GPMR国家重点实验室 Earth and Planetary Science Letters, 2017. Late Mio-Pliocene chemical weathering of the Yulong porphyry Cu deposit in the eastern Tibetan Plateau constrained by goethite (U–Th)/He dating: Implication for Asian summer monsoon
青藏高原；东缘玉龙；超大型；斑岩
font style='font-size:12px;'>
2021/10/21
近日，中国地质大学资源学院和地质过程与矿产资源国家重点实验室李建威团队有关青藏高原东缘玉龙超大型斑岩铜矿床风化壳(U-Th)/He年代学的研究成果发表在地学领域重要综合期刊《Earth and Planetary Science Letters》上。该文第一作者为地质过程与矿产资源国家重点实验室邓晓东研究员，通讯作者为资源学院李建威教授。
Boron Release from Weathering of Illites, Serpentine, Shales,and Illitic/Palygorskitic Soils
Illitic/Palygorskitic Soils Boron Release
font style='font-size:12px;'>
2011/11/11
Boron Release from Weathering of Illites, Serpentine, Shales,and Illitic/Palygorskitic Soils.
Amorphous Aluminum Hydroxide Formed at the Earliest Weathering Stages of K-Feldspar
Aluminum hydroxide Gibbsite Halloysite K-feldspar Weathering product
font style='font-size:12px;'>
2011/12/27
Weathering products formed on the surface of K-feldspar in Yakushima Island, Japan were investigated by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron micros...
A normalised seawater strontium isotope curve and the Neoproterozoic-Cambrian chemical weathering event
normalised seawater strontium isotope curve chemical weathering event
font style='font-size:12px;'>
2009/10/22
The strontium isotope composition of seawater has varied over geological time in response to changes in the rates of continental weathering relative to ocean crust alteration. However, the potential o...
Surface weathering of rapakivi granite outcrops–implications for natural stone exploration and quality evaluation
natural stone dimension stone weathering rapakivi granite exploration Finland
font style='font-size:12px;'>
2009/10/21
Implications of surface weathering of rapakivi granite outcrops for natural stone evaluation were studied in the Wiborg rapakivi granite batholith in southeastern Finland. The study was performed as f...
Geochemical Constraints on the Provenance, Mineral Sorting and Subaerial Weathering of Lower Jurassic and Upper Cretaceous Clastic Rocks of the Eastern Pontides, Yusufeli (Artvin), NE Turkey
shale and sandstone geochemistry provenance hydraulic sorting alteration Yusufeli-Artvin northeastern Turkey
font style='font-size:12px;'>
2009/7/7
An integrated petrographic and geochemical study of the shales and sandstones of Early Jurassic and Late Cretaceous age in the Yusufeli area (Turkey) was carried out to obtain more information on the...
New Chemical Weathering Indices for Estimating the Mechanical Properties of Rocks: A Case Study from the Kürtün Granodiorite, NE Turkey
weathering chemical weathering indices isovolumetric method engineering properties granitic rocks Turkey
font style='font-size:12px;'>
2009/7/7
The chemical weathering of rock proceeds by water-rock interaction. During weathering geochemically mobile elements, alkali and alkali-earth elements are easily leached from rocks, leaving the residua...
The Dependence of Localized Crystallization of Halloysite and Kaolinite on Primary Minerals in the Weathering Profile of Granite
Biotite Granite Halloysite Kaolinite Weathering
font style='font-size:12px;'>
2011/12/5
Abstract: The formation of kaolin-group minerals in the weathering profile of granite, under the humid, temperate climate as found in Korea, was studied by X-ray diffraction (XRD), scanning electron m...
Low-Temperature Acid Weathering in Newhaven, Sussex, United Kingdom, and Its Application to Theoretical Modeling in Radioactive Waste-Disposal Sites
Acid Weathering Aluminous Minerals Jarosite Radioactive-Waste Sites Silico-Aluminous Gels Thermodynamic Modeling
font style='font-size:12px;'>
2011/12/6
Abstract: Tertiary weathered sediments located immediately to the west of the harbor at Newhaven, Sussex, UK, were investigated by examination of major and trace elements by scanning electron microsco...
Experimental observations of the effects of bacteria on aluminosilicate weathering
observations bacteria aluminosilicate weathering
font style='font-size:12px;'>
2012/4/1
Mineral dissolution experiments using batch cultures of soil and groundwater bacteria were monitored with solution chemistry and various microscopic techniques to determine the effects of these organi...
Vermicular Kaolinite Epitactic on Primary Phyllosilicates in the Weathering Profiles of Anorthosite
Epitactic Kaolinite Pseudomorph Scanning Electron Microscopy Weathering
font style='font-size:12px;'>
2011/12/8
Abstract: The microtextural changes in the kaolinization of primary phyllosilicates including biotite, sericite, clinochlore and muscovite were investigated by scanning electron microscopy (SEM) and m...
Formation of Vermicular Kaolinite from Halloysite Aggregates in the Weathering of Plagioclase
Halloysite Kaolinite Scanning Electron Microscopy Weathering
font style='font-size:12px;'>
2011/12/8
Abstract: Halloysite and kaolinite coexist in anorthosite weathering profiles in the Sancheong district, Korea. X-ray diffraction (XRD) analysis on a transect of partially weathered anorthosites revea...
Weathering of Chlorite to a Low-Charge Expandable Mineral in a Spodosol on the Apennine Mountains, Italy
Chlorite Hydroxy-interlayers Smectite Spodosols
font style='font-size:12px;'>
2011/12/1
Abstract: The clay fraction of a Spodosol and its parent rock in the Apennine mountains of central Italy were studied by powder X-ray diffraction (XRD) and infrared (IR) spectroscopy, to evaluate the ...
Artificial weathering of the ordinary chondrite Allegan: Implications for the presence of Cl- as a structural component in akaganéite
Artificial weathering ordinary chondrite Allegan presence of Cl- structural component akaganéite
font style='font-size:12px;'>
2012/4/6
Asampleofanordinarychondritefall,Allegan,wasshownby FeMo!§ssbauerspectroscopytobeunweathered.Usingaerateddeionizedwaterat25 and0C,andinone
casewithdissolvedsaltsadded,anattemptwasmadetosimulatemeteor...
Mobility of uranium during weathering
Mobility uranium weathering
font style='font-size:12px;'>
2012/4/6
Mineralogical geochemical and mechanisms of fixation under oxidizing conditions inU the vicinity of the secondary U ore deposit at Koongarra, Australia,were examined usingtransmission and scanning e...