楚雄晚三叠世前陆盆地沉积-剥蚀特点

周雁; 金之钧; 汤良杰; 李儒峰

doi:10.11743/ogg20050520

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楚雄晚三叠世前陆盆地沉积-剥蚀特点
Characteristics of deposition and erosion in Chuxiong Late Triassic foreland basin
2005年26卷第5期页码：680-687
网络首发：2005-10-25，

纸质出版：2005
DOI： 10.11743/ogg20050520
稿件说明：

移动端阅览

周雁, 金之钧, 汤良杰, 等. 楚雄晚三叠世前陆盆地沉积-剥蚀特点[J]. 石油与天然气地质, 2005,26(5):680-687. DOI： 10.11743/ogg20050520.

Zhou Yan, Jin Zhijun, Tang Liangjie, et al. Characteristics of deposition and erosion in Chuxiong Late Triassic foreland basin[J]. 2005, 26(5): 680-687. DOI： 10.11743/ogg20050520.

摘要

运用沉积波动分析等技术

对楚雄盆地的祥云小青坡、安龙堡、元谋洒芷、禄丰一平浪以及乌龙1井、云参1井等典型剖面进行了沉积-剥蚀特征分析

并分别建立了沉积波动方程。经分析

楚雄晚三叠世前陆盆地主要存在4种沉积-剥蚀类型

即界面型、早沉积晚剥蚀型、沉积型和早剥蚀晚沉积型。4种沉积-剥蚀类型与前陆盆地结构有很好的对应关系

造山带、逆冲推覆带、前陆凹陷带和前陆隆起带分别为界面型、早沉积晚剥蚀型、沉积型和早剥蚀晚沉积型沉积-剥蚀分布区。

Abstract

Depositional wave analysis technique has been used to analyze the deposition and erosion characteristics of several typical profiles in Chuxiong basin

such as Xiaoqingpo in Xiangyun

Anlongbao

Sazhi in Yuanmou

Yipinglang in Lufeng

Wulong 1 well and Yuncan 1 well

and to establish their wave equations.There are mainly 4 deposition-erosion types in Chuxiong Late Triassic foreland basin

including boundary type(SB type)

early deposition-late erosion type(T type)

deposition type(TH type)and early erosion-late deposition type(H type).These four deposition-erosion types are in good correlation with the architecture of foreland basin.The boundary type(SB type)

early depsotion-late erosion type(T type)

deposition type(TH type)and early erosion-late deposition type(H type) are distributed in orogenic belt

overthrust belt

foreland hollow zone and foreland uplift zone

respectively.