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Potter, Paul Edwin – Journal of Geology, 1986
Continental geology and tectonics are explored through this study of modern beach sands of South America. This report assesses how well petrographic studies of sandstones can recreate continental geography. Data on the petrography of 218 modern South American beach sands are presented and analyzed. The five major mineral associations of light…
Descriptors: Geology, Higher Education, Marine Education, Mineralogy
Peer reviewedHudleston, Peter John – Journal of Geological Education, 1986
Describes the three processes of folding in rocks: buckling, bending, and passive folding. Discusses how geometrical properties and strain distributions help to identify which processes produce natural folds, and also provides information about the mechanical properties of rocks, and the sense of shear in shear zones. (TW)
Descriptors: College Science, Earth Science, Force, Geology
