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[期刊论文] 作者:Grant M.Young,, 来源:Geoscience Frontiers 年份:2015
The second half of the Ediacaran period began with a large impactethe Acraman impact in South Australia,which was accompanied by a negative d13Ccarbanomaly and...
[期刊论文] 作者:Grant M.Young,, 来源:Geoscience Frontiers 年份:2015
Recent geochronological investigations reinforce the early suggestion that the upper part of the Paleoproterozoic Huronian Supergroup of Ontario,Canada is prese...
[期刊论文] 作者:Grant M.Young,, 来源:Geoscience Frontiers 年份:2013
In more than 4 Ga of geological evolution,the Earth has twice gone through extreme climatic perturbations, when extensive glaciations occurred,together with alt...
[期刊论文] 作者:George E.Williams,Phillip W.Schmidt,Grant M.Young,, 来源:Geoscience Frontiers 年份:2016
Proterozoic(pre-Ediacaran) glaciations occurred under strongly seasonal climates near sea level in low palaeolatitudes.Metre-scale primary sand wedges in Cryoge...
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