4789 to 4800 of 13906 results
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A distant look at the cryosphere
Read more of: A distant look at the cryosphereNinety nine per cent of all the fresh water on the surface of the Earth is in the form of ice. Observations from space have revealed more about the ice […]
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Petrogenesis of metamorphic rocks within a subduction-accretion terrane, Signy Island, South Orkney Islands
Read more of: Petrogenesis of metamorphic rocks within a subduction-accretion terrane, Signy Island, South Orkney IslandsWhole‐rock and mineral analyses of polydeformed mica‐schist, quartzite, marble and amphibolite are presented from Signy Island, South Orkney Islands, part of the Scotia metamorphic complex. Whole‐rock chemistry suggests that the […]
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Crustal growth of the Antarctic Peninsula by accretion, magmatism and extension
Read more of: Crustal growth of the Antarctic Peninsula by accretion, magmatism and extensionA subduction-accretion model incorporating new geophysical data is presented to explain the geology of the Antarctic Peninsula from late Palaeozoic to Cenozoic time. According to the model, the peninsula consists […]
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First measurements of thermospheric winds in Antarctica by an optical ground-based method
Read more of: First measurements of thermospheric winds in Antarctica by an optical ground-based methodThe installation of a Fabry–Perot interferometer at Halley (75.5° S, 26.8° W; L = 4.2), Antarctica, has now allowed the first comparison to be made between Southern Hemisphere ground-based thermospheric […]
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Ignimbrites of the Cerro Galan caldera, NW Argentina
Read more of: Ignimbrites of the Cerro Galan caldera, NW ArgentinaThe 35 × 20 km Cerro Galán resurgent caldera is the largest post-Miocene caldera so far identified in the Andes. The Cerro Galán complex developed on a late pre-Cambrian to […]
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The natural history of Beauchêne Island
Read more of: The natural history of Beauchêne IslandBeauchêne Island is the most isolated of the Falkland Islands archipelago and until the authors’ visit there in 1980 little was known or published about the island and its biota […]
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New southernmost record for Antarctic flowering plants
Read more of: New southernmost record for Antarctic flowering plantsSmith (1982) reported the discovery in 1981 of Antarctic hair grass Deschampsia antarctica Desv. on the largest of the Refuge Islands (68° 21′ S) in Marguerite Bay, off the south-west […]