The origin, nature and distribution of gypsum crusts in deserts
All the warm deserts of the world exhibit gypsum crusts in favourable localities, generally areas with a source of gypsum and less than 250 mm of rainfall annually. The features, comprising loose powdery or cemented crystalline accumulations of calcium sulphate dihydrate, are found at the surface or within the uppermost 10 m of regolith. Thicknesses vary from a few millimetres to several metres and purities range from about 15% to nearly 100% gypsum.
A review of the literature on g...Expand abstract
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- University of Oxford
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602363939 and 602363940
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- Watson, A.
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- This thesis was digitised thanks to the generosity of Dr Leonard Polonsky
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