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An analogue model of melt segregation and accumulation processes in the Earth's crust
analogue modelling melt segregation migmatites fractals self-organized criticality
2009/10/21
An analogue experiment was carried out to model melt segregation from the solid rock matrix and its subsequent transport. Carbon dioxide gas and sand were used as analogue materials of crustal partial...
Electron irradiation-induced phase segregation in crystalline and amorphous apatite: A TEM study
Electron irradiation-induced phase segregation crystalline amorphous apatite A TEM study
2012/4/6
SinglecrystalsofnaturalF-richapatiteand800keVKr ion-beam¤Camorphizedapatit
wereirradiatedbyanelectronbeaminatransmissionelectronmicroscopeoverarange
ofbeamenergiesandbeamcurrents.Irradiationofcrysta...
Clay Mineral Segregation by Flocculation in the Porters Creek Formation
Flocculation Illite Kaolinite Sedimentation Smectite
2012/1/5
The Porters Creek Formation is mined as an absorbent clay in Illinois, Mississippi, Missouri, and Tennessee. The absorptive properties of the Porters Creek Formation are due to the high content of sme...
Domain Segregation in Ni-Fe-Mg-Smectites
Chemical composition Laterite Mossbauer spectroscopy Nickel Nontronite Pimelite Smectite Transmission electron microscopy
2011/11/25
Abstract: The first stage of lateritic weathering of pyroxenes in the Niquelandia area, Brazil, leads either to Fe-rich products or to a phyllosilicate clay. In relatively unfractured parent rock the ...
Segregation and Exchange Properties of Alkylammonium Ions in a Smectite and Vermiculite
Segregation Exchange Properties Alkylammonium Ions Smectite Vermiculite
2012/2/15
X-ray diffraction analysis of mixed alkylammonium-exchanged smectite revealed segregation of different ion species into randomly ordered layers. Vermiculite, however, showed segregation into crystalli...
