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搜索结果: 1-11 共查到地质学 Antarctica相关记录11条 . 查询时间(0.078 秒)
The 5.4 million-square-mile Antarctic Ice Sheet is the greatest mass of fresh water on Earth. If it all were to melt, it would raise global sea levels some 220 feet. Searching for answers to how fast ...
Radio echo sounding measurements were collected during two Antarctic expeditions to determine the ice thickness and the sub-glacial morphology of Talos Dome in the region around 72°48'S; 159°06'E (ab...
U/Pb and (U-Th)/He (ZHe) dating of detrital zircons from glacial till samples in the Ross Embayment, Antarctica records cooling after the Ross/Pan-African orogeny (450-625 Ma) followed by a mid-Jurass...
Tills for this study were analyzed from sites in East Antarctica (EA), West Antarctica (WA) and along a transect in the Ross Sea. Particle size, sand petrography, and detrital zircons were used to pro...
In Antarctica, the geochemical properties of meltwater and pondwater are very sensitive to global warming. Therefore, understanding the geochemical properties of the meltwater and pondwater is crucia...
We present Sr-Nd-Pb isotope data from the Paleocene-Eocene volcanic rocks in King George Island, South Shetland Islands, West Antarctica. The initial isotopic ratios of the analyzed samples display li...
期刊信息 篇名 The 4700 a B.P. volcanic signal detected in Vostok BH8 ice core, Antarctica 语种 英文 撰写或编译 撰写 作者 Liu Leibao,Kang Jiancheng,Jean Robert Petit,Jefferson C. Sim鮡s and Martine de Angelis 第一作者单位 中国极地研...
December 11, 2006,Amid 70-mile-an-hour winds and freezing Antarctic conditions, an American-Argentine research team has recovered the well-preserved fossil skeleton of a juvenile plesiosaur--a marine ...
Anewhigh-silicazeolite,terranovaite,wasrecentlyfoundincavitiesofFerrardol- eritesatMt.Adamson(NorthernVictoriaLand,Antarctica).Themineral[(Na K Mg Ca ) (Al Si ) O ! 29H O]occursasglobularmassesthat?...
Mineralogicallyzoned,decimeter-diametercalc-silicateboudinsenclosedwithinparag- neissesfromLittleItalyIsland,RauerGroup,eastAntarcticaunderwentgranulite-facies metamorphism(P 700¤C900MPa T 840 40C)f...
The Ferrar Dolerites are of Lower to Middle Jurassic age and occur as sheets, sills, bosses, dikes and related lavas throughout 60,000 square miles of Antarctica. Undifferentiated dolerite consists of...

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