The study of distribution and forms of uranium occurrences in Lake Baikal sediments by the SSNTD method

被引:7
作者
Zhmodik, SM
Verkhovtseva, NV
Soloboeva, EV
Mironov, AG
Nemirovskaya, NA
Ilic, R
Khlystov, OM
Titov, A
机构
[1] Russian Acad Sci, Inst Geol, Siberian Branch, Novosibirsk 630090, Russia
[2] Russian Acad Sci, Inst Geol, Siberian Branch, Ulan Ude 670047, Russia
[3] Univ Maribor, Fac Civil Engn, SLO-2000 Maribor, Slovenia
[4] Jozef Stefan Inst, Ljubljana 1000, Slovenia
[5] Russian Acad Sci, Limnol Inst, Siberian Branch, Irkutsk 664033, Russia
关键词
(n; f)-autoradiography; SSNTD; sediments; uranium; Lake Baikal; phosphate; DEEP-WATER SEDIMENTS; BOTTOM SEDIMENTS; PLEISTOCENE; PALEOCLIMATES; CLIMATE; RECORD;
D O I
10.1016/j.radmeas.2005.04.025
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
Sediments of Lake Baikal drill cores VER-96-1 St8 TW2 (53 degrees 32'15"E; 107 degrees 56'25"N), (interval 181.8-235 cm from the sediment surface) were studied by means of SSNTD with the aim of defining uranium occurrence in the sediments and the uranium concentration. The neutron-fission ((n, f)-autoradiographic) method allowed a detailed study of uranium distribution of these Lake Baikal sediments within the Academicheskiy Ridge. Layered accumulations of uranium-bearing grained phosphorite, uranium-bearing particles of organic material, and abnormal uranium concentration in diatomite of unknown origin were discovered. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:532 / 538
页数:7
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