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UW Scientists Gain Supervolcano Insights from Wyoming Granite
UW Scientists Gain Supervolcano Wyoming Granite
2016/6/12
Geophysical monitoring of the ground above active supervolcanoes shows that it rises and falls as magma moves beneath the surface of the Earth. Silica-rich magmas -- like those in the Yellowstone regi...
Experimental determination of the coefficient of restitution for meter-scale granite spheres
Asteroids Collisional physics Experimental techniques Planetary formation Planetary rings
2015/12/25
We present results of a series of large-scale experiments to measure the coefficient of restitution for 1-m-diameter rocky bodies in impacts with collision speeds up to 1.5 m s1. The experiments wer...
Analysis of the Gouldsboro Pluton and the Fehr Granite: Understanding the Scales of Magmatic Processes and Partial Melt Generation from the Deep to Shallow Crust
anatexis bimodalism deep crust granite microprobe migmatites
2014/10/22
The heterogeneity of the continental crust has a first order control on the dynamics of plate tectonic processes and the compositions of the Earth in both time and space. Heterogeneity can be characte...
To most people "geothermal electricity" conjures up images of a steam-enshrouded facility in a place like Iceland where heat from the depths of the Earth comes to the surface. But some geologists – in...
Surface weathering of rapakivi granite outcrops–implications for natural stone exploration and quality evaluation
natural stone dimension stone weathering rapakivi granite exploration Finland
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...
《Granite Genesis: In-Situ Melting and Crustal Evolution》中文版正式出版
Granite Genesis: In-Situ Melting and Crustal Evolution 中文版 正式出版
2009/12/10
中山大学地球科学系陈国能教授和洛尼.格拉佩斯教授合著的英文专著《Granite Genesis: In-Situ Melting and Crustal Evolution》于2007年由Springer首次出版。该书提出了与传统岩浆侵入论截然不同的花岗岩成因学说——“原地重熔-壳内对流说”，引起了国内外学术界的关注和产业部门的重视。为满足国内读者的需求，彭卓伦、张献河、胡文烨、张珂（校）等将该书...
Geochemical implication of 87Sr/86Sr ratio of high-temperature deep groundwater in a fractured granite aquifer
87Sr/86Sr ratio fractured granite aquifer thermal water time lag indicator groundwater cycle
2017/8/10
The Dongrae thermal water area located at the southeast margin of the Korean Peninsula is one of the oldest hot springs in Korea and has been used in spas since the 9th Century. In this paper, a geoch...
valley slope.
4 Conclusions and discussion
4.1 Conclusions
1) In the weathering granite regolith section of riverbed, Al2O3 trends toward decreasing, Fe2O3 enriches at great ratio, th...
Voluntary Intake of Insoluble Granite-grit Offered in Free Choice by Broilers: Its Effect on Their Digestive Tract Traits and Performances
Poultry Choice Feeding Grit Preference Gizzard Development
2016/4/21
In this study, the effects of granite-grit offered free-choice on voluntary intakes of grit and subsequently on some morphologic traits of the digestive tract and performance of broilers were investig...
The Dependence of Localized Crystallization of Halloysite and Kaolinite on Primary Minerals in the Weathering Profile of Granite
Biotite Granite Halloysite Kaolinite Weathering
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...
Nitrogen-isotope record of fluid-rock interactions in the Skiddaw Aureole and granite, English Lake District
Nitrogen-isotope record fluid-rock interactions Skiddaw Aureole granite English Lake District
2012/4/1
The Skiddaw Granite and its contact metamorphic aureole in the English Lake District provide an
excellent opportunity to test the capability of the N-isotope system to trace devolatilization and larg...
Replacement of primary monazite by apatite-allanite-epidote coronas in an amphibolite facies granite gneiss from the eastern Alps
Replacement primary monazite apatite-allanite-epidote coronas eastern Alps
2012/3/31
Accessory monazite crystals in granites are commonly unstable during amphibolite fa-cies regional metamorphism and typically become mantled by newly formed apatite-allan-ite-epidote coronas. This dist...
Dislocation formation and albitization in alkali feldspars from the Shap granite
Dislocation formation albitization alkali feldspars Shap granite
2012/4/5
Orthoclase-richalkalifeldsparsintheLowerDevonianShapgranite,northwestEngland,
containtwogenerationsofalbite-richfeldspar.Thesehavepartiallyreplacedearlierexso-
lutionmicrotexturesconsistingofalbitel...
Beryl stability in local hydrothermal and chemical environments in a mineralized granite
Beryl stability local hydrothermal chemical environments mineralized granite
2012/4/1
The temperature and chemistry of hydrothermal fluids control the breakdown and for-
mation of beryl in rocks of appropriate bulk composition. In rocks of the Triberg granitic
complex in the Schwarzw...
Formation of Trioctahedral Illite from Biotite in a Soil Profile Over Granite Gneiss
Biotite Electron microprobe Illite Mica Scanning electron microscopy Trioctahedral Weathering X-ray powder diffraction
2012/1/4
Clay fractions separated from the A2, B, and C horizons of a soil formed on granite gneiss showed X-ray powder diffraction (XRD) spacings characteristic of trioctahedral illite. The trioctahedral illi...