ON THE STAGE OF KARST-COLLAPSE BRECCIA IN THE JIALINGJIANG FORMATION OF THE LOWER TRIASSIC IN THE MIDDLE YANGTZE AREA

Cao Shuyun

doi:10.11781/sysydz199103297

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Cao Shuyun. ON THE STAGE OF KARST-COLLAPSE BRECCIA IN THE JIALINGJIANG FORMATION OF THE LOWER TRIASSIC IN THE MIDDLE YANGTZE AREA[J]. PETROLEUM GEOLOGY & EXPERIMENT, 1991, 13(3): 297-302. doi: 10.11781/sysydz199103297

Citation:

Cao Shuyun. ON THE STAGE OF KARST-COLLAPSE BRECCIA IN THE JIALINGJIANG FORMATION OF THE LOWER TRIASSIC IN THE MIDDLE YANGTZE AREA[J]. PETROLEUM GEOLOGY & EXPERIMENT, 1991, 13(3): 297-302. doi: 10.11781/sysydz199103297

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ON THE STAGE OF KARST-COLLAPSE BRECCIA IN THE JIALINGJIANG FORMATION OF THE LOWER TRIASSIC IN THE MIDDLE YANGTZE AREA

doi: 10.11781/sysydz199103297

Cao Shuyun

Central South China Bureau, of Petroleum Geology MGMR, Changsha

Received Date: 1989-07-16
Publish Date: 1991-07-25

Abstract

Abstract

Based on the analysis of tee physical, chemical and biological characteristics of breccia, the author suggests that the karst-collapse breccia from the Jialingjiang Formation of the Lower Triassic in the Middle Yangtze Area was developed during the time of Indo-Sinian and Indo-early Yensh-anian, i.e before the time of migration and accumulation of oil and gas. Consequently, the karst-collapse breccia of the Jialingjiang Formation is a favourable reservoir which should not be overlooked.