The Lithofacies of Sandstones Interbedded with Shales: Implication for Organic Matter Accumulation of Triassic Deep Lacustrine Setting, Southern Ordos Basin
Qian Pang,
Guang Hu,
Chaowei Hu
et al.
Abstract:The sandstones interbedded with shales in the lacustrine black shale have great potential to become important targets for oil and gas exploration, but there has been a lack of systematic research regarding their types and genesis. This study focused on the investigation of the Triassic Chang 7 3 member deep lacustrine sandstone. Eleven lithofacies are identified and classified into three different types of deposits: ash fall and intra-and extra-basinal turbidite deposits. Vitric tuff, pumice-bearing shale, and… Show more
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