Deep-lacustrine sandy debrites and turbidites in the lower Triassic Yanchang Formation, southeast Ordos Basin, central China: Facies distribution and reservoir quality
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- 作者：Qinghai Xua ; b ; c ; Wanzhong Shia ; b ; shiwz@cug.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Xiangyang Xiec ; x.xie@tcu.edu" class="auth_mail" title="E-mail the corresponding author ; Walter Mangerd ; Preston McGuirec ; Xiaoming Zhanga ; Ren Wanga ; Zhuang Xua
- 关键词：Deep lacustrine gravity flow ; Sandy debrites ; Turbidites ; Flow transformation ; Yanchang formation ; Ordos basin
- 刊名：Marine and Petroleum Geology
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：77
- 期：Complete
- 页码：1095-1107
- 全文大小：5738 K
文摘
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The ancient deep lacustrine gravity-flow sediments are mainly composed of sandy debrites with associated turbidites.
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Discussed the depositional model, including the trigger mechanisms, flows transformation.
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Summarize the differences between the deep lacustrine turbidites and deep marine turbidites.
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Sandy debrites have higher reservoir quality than those beds deposited as turbidites.