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Leaf fossils show severe end-Cretaceous plant extinction in Patagonia（图）
Leaf fossils severe end-Cretaceous plant extinction Patagonia
2021/1/18
The asteroid impact 66 million years ago that ushered in a mass extinction and ended the dinosaurs also killed off many of the plants they relied on for food. Fossil leaf assemblages from Patagonia su...
Fibrous-clay mineral formation and soil evolution in Aridisols of northeastern Patagonia, Argentina
Palygorskite Sepiolite Fluorite Soil genesis Calcic and petrocalcic horizons Chubut province of Argentina
2011/11/11
Recent studies of soil–landscape relationships in northeastern Patagonia identified fibrous-clay minerals in calcic and petrocalcic horizons
developed on old fluvio-glacial plains called “Rodados Pat...