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The x-ray identification and crystal structures of clay minerals
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The article was published on 1961-01-01 and is currently open access. It has received 966 citations till now. The article focuses on the topics: Clay minerals.read more
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Journal ArticleDOI
A Comparative Study of the Diagenetic Alteration of Clay Minerals in Mesozoic Shales from Papua, New Guinea, and in Tertiary Shales from Louisiana, U.S.A.
TL;DR: In this paper, a complete section of Mesozoic shales at Barikewa in New Guinia, Papua New Guinea has been analyzed and shown to have high MgO and K2O values when compared with the Wilcox Formation, Louisiana.
Book ChapterDOI
Gibbs Free Energies of Formation for Bayerite, Nordstrandite, A1(OH)2+, and A1(OH)2 +, Aluminum Mobility, and the Formation of Bauxites and Laterites
TL;DR: In this paper, a model of the processes that control the low-temperature aqueous aluminum system is presented, and a review of the vast amount of research gathered during the last two decades that has greatly improved our knowledge of the factors controlling the geochemistry of aluminum.
Book ChapterDOI
Mössbauer Spectra of Chlorites and Their Decomposition Products
B.A. Goodman,D.C. Bain +1 more
TL;DR: In this article, the major oxidation state is ferrous with a principal component that has parameters similar to those from Fe2+ at the site with cis OH groups in biotite, but this does not necessarily correspond to a different crystallographic site.
Journal ArticleDOI
Biotite alteration in deeply weathered granite; II, The oriented growth of secondary minerals
TL;DR: In this article, single grain X-ray and electron diffraction patterns of weathered biotite flakes exhibit groupings of 001 and hk reflections of Biotite, vermiculite, mixed-layer clay minerals, and kaolinite indicating that the secondary minerals are in parallel crystallographic orientation to the parent biotites.
Journal ArticleDOI
Physical–mechanical consolidation and protection of Miocenic limestone used on Mediterranean historical monuments: the case study of Pietra Cantone (southern Sardinia, Italy)
TL;DR: In this article, the authors studied the consolidating and protective chemical treatments of the Pietra Cantone, a Miocenic (lower Tortonian) limestone widely used in important monuments and historical buildings of Cagliari (southern Sardinia, Italy).