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Discovery of fissionogenic Cs and Ba capture five years after Oklo reactor shutdown 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (35) : 8676-8681
作者:  Groopman, Evan E.;  Willingham, David G.;  Meshik, Alex P.;  Pravdivtseva, Olga V.
收藏  |  浏览/下载：3/0  |  提交时间：2019/11/27
Oklo  SIMS  AMS  isotope imaging  natural fission reactor  
Uranium isotope fractionation by abiotic reductive precipitation 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (35) : 8688-8693
作者:  Brown, Shaun T.;  Basu, Anirban;  Ding, Xin;  Christensen, John N.;  DePaolo, Donald J.
收藏  |  浏览/下载：7/0  |  提交时间：2019/11/27
uranium  abiotic fractionation  isotopes  isotope fractionation  
Abrupt global-ocean anoxia during the Late Ordovician-early Silurian detected using uranium isotopes of marine carbonates 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (23) : 5896-5901
作者:  Bartlett, Rick;  Elrick, Maya;  Wheeley, James R.;  Polyak, Victor;  Desrochers, Andre;  Asmerom, Yemane
收藏  |  浏览/下载：8/0  |  提交时间：2019/11/27
Late Ordovician extinction  U isotopes  seawater redox  ocean anoxic event  glaciation  
Uranium isotope evidence for two episodes of deoxygenation during Oceanic Anoxic Event 2 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (12) : 2918-2923
作者:  Clarkson, Matthew O.;  Stirling, Claudine H.;  Jenkyns, Hugh C.;  Dickson, Alexander J.;  Porcelli, Don;  Moy, Christopher M.;  von Strandmann, Philip A. E. Pogge;  Cooke, Ilsa R.;  Lenton, Timothy M.
收藏  |  浏览/下载：8/0  |  提交时间：2019/11/27
oceanic anoxia  OAE  uranium isotopes  biogeochemical model  carbon cycle