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An Fe-Berthierine from a Cretaceous Laterite: Part II. Estimation Of Eh, pH and pCO2 Conditions of Formation
Berthierine Gibbsite Goethite Cretaceous Kaolinite pCO2 pH Siderite Soil Zone Weathering
2011/12/22
Abstract: Transgression by the Western Interior Sea during the Late Cretaceous in southwestern Minnesota caused swampy conditions to be imposed upon a laterite consisting of gibbsite, goethite and kao...
An Fe-Berthierine from a Cretaceous Laterite: Part I. Characterization
Berthierine Cretaceous Weathering Kaolinite Minnesota Pisoid
2011/12/22
Abstract: An Fe-berthierine occurs in a buried laterite from the Late Cretaceous (Cenomanian) in southwestern Minnesota. It formed beneath a lignitic horizon in which reducing solutions percolated thr...
Natroalunite in a Laterite Profile Over Deccan Trap Basalts at Matanumad, Kutch, India
Alunite Kaolinite Laterite Natroalunite Oxidation Saprolite
2012/1/10
An end-member natroalunite of composition (K0.04Na0.96)(Al2.98Fe0.02)(SO4)2(OH)6 occurs in saprolitic clays in a laterite profile developed over Deccan Trap basalts at Matanumad in the Kutch region of...