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Weathering of Basalt: Formation of Iddingsite
Goethite Iddingsite Iron Olivine Scanning electron microscopy Transmission electron microscopy Weathering
2012/1/11
The formation of iddingsite by the oxidative weathering of Fo80 olivine begins by solution of Mg from planar fissures, 20 Å wide and spaced 200 Å apart, parallel to (001). Oxidation of Fe ...
Formation of Iddingsite Rims on Olivine: A Transmission Electron Microscope Study
Goethite Iddingsite Olivine Saponite Transmission electron microscopy Weathering
2011/11/25
Abstract: Iddingsite rimming olivine in a basanite from the Limberg, Germany, is composed of saponite and goethite. Transmission electron microscopy of ion-thinned, oriented crystals suggests a two-st...