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Development of Jomzi Basin in Southern Tibet
Author(s): 
Pages: 345-350
Year: Issue:  3
Journal: ACTA SEDIMENTOLOGICA SINICA

Keyword:  滑动沉积海底扇层序地层沉积演化江孜盆地;
Abstract: 位于西藏南部江孜盆地的沙拉岗矿区发育一套晚侏罗世至早白垩世的碎屑流、滑动与浊流形成的碎屑岩夹硅质岩与灰岩的沉积.在野外识别出8 个三级层序,包括2个Ⅰ类层序和6个Ⅱ类层序;建立了层序地层格架.在此基础上将处于斜坡背景的沉积演化大致划分为4个阶段:(1)相对陡的陆源斜坡阶段;(2)相对平缓的陆源斜坡阶段;(3)硅质海底扇发育阶段;(4)陆源海底扇发育阶段.各个阶段具有不同的演化特点.
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