Open AccessDiscussion on marine facies and beach bar—lagoon system of Xujiahe Formation in Sichuan Basin
Author(s) -
Jin Wei,
Zhiguo Wang
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/766/1/012072
Subject(s) - geology , structural basin , facies , sedimentary rock , estuary , geochemistry , geomorphology , paleontology , oceanography
The oil and gas exploration of Xujiahe formation in Sichuan Basin has achieved good results. Natural gas reserves have been submitted by Yingshan structure, Tongjiang-nanjiang-bazhong structure, Guang’an and Hechuan, in this paper, we focus on the sedimentary characteristics of the upper triassic xujiahe formation in northeastern Sichuan Basin which is considered to be the interactive of the Delta and Lake deposit systems. It is believed that the Xujiahe formation in Sichuan Basin belongs to the Gulf environment. In the northeastern part of the basin, it is the combination of Beach bar-lagoon sedimentary deposit includes sand bars, all kinds of sand beaches, estuaries and tidal channels of lagoon or estuaries confined by sand bars, and the terraforming lagoon plain and its range of ancient sand dams.