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5 giorni fa · Darwin, Charles (1846), Geological Observations on South America. Being the third part of the geology of the voyage of the Beagle, under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836, London: Smith Elder and Co.
3 mag 2024 · "Geological Observations on South America" by Charles Darwin is a groundbreaking exploration into the geological wonders of the South American continent. In this seminal work, Darwin meticulously documents his observations and findings during his voyage on HMS Beagle.
1 mag 2024 · Southern Methodist University. Summary: A research team has found that ancient rocks and fossils from long-extinct marine reptiles in Angola clearly show a key part of Earth's past -- the splitting...
21 mag 2024 · Open access. Published: 21 May 2024. A 300-year tree-ring δ 18 O-based precipitation reconstruction for the South American Altiplano highlights decadal hydroclimate teleconnections. Milagros...
17 mag 2024 · Abstract. The Devonian to early Carboniferous western margin of Patagonia (South America) includes a NW–SE-trending magmatic arc associated with a NE-dipping palaeo-subduction zone.
2 giorni fa · South America’s geologic structure consists of two dissymmetric parts. In the larger, eastern portion are found a number of stable shields forming highland regions, separated by large basins (including the vast Amazon basin). The western portion is occupied almost entirely by the Andes Mountains.
2 mag 2024 · Abstract. The opening of the South Atlantic Ocean in the Early Cretaceous was only the final stage of the complex rifting process of SW Gondwana. In this contribution, we reassess the chronology of Mesozoic basin formation in southern South America and Africa and integrate it in the long-term rifting and break-up history of SW Gondwana.
