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2000•Unpublished venueRequires access

On the Carboniferous-Permian boundary in China

Lin Zhang

Open publisher page 9 citations

Abstract

The basal boundary of the Permian System has been officially ratified by the ICS, with the GSSP at Aidaralash Creek, northern Kazakhstan. It is defined on the first occurrence of the conodont Streptognathodus isolatus Chernykh et al . 1997 slightly below the contract between the ammonoid genozones of Shumardites Vidrioceras below and Svetlanoceras Juresanites above, corresponding approximately to the base of the fusulinacean Sphaeroschwagerina vulgaris S.fusiformis Zone. In China, the Streptognathodus isolatus only has been defined in Carboniferous Permian boundary section of Yangchang, Ziyan of Guizhou Province, and is referred to as the Streptognathodus elongatus S.simplex Zone. The Yangchang section is suitable as a stratotype for Chinese Carboniferous Permian boundary.

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What this paper is about

The basal boundary of the Permian System has been officially ratified by the ICS, with the GSSP at Aidaralash Creek, northern Kazakhstan. It is defined on the first occurrence of the conodont Streptognathodus isolatus Chernykh et al . 1997 slightly below the contract between the ammonoid genozones of Shumardites Vidrioceras below and Svetlanoceras Juresanites above, corresponding approximately to the base of the fusulinacean Sphaeroschwagerina vulgaris S.fusiformis Zone. In China, the Streptognathodus isolatus only has been defined in Carboniferous Permian boundary section of Yangchang, Ziyan of Guizhou Province, and is referred to as the Streptognathodus elongatus S.simplex Zone. The Yangchang section is suitable as a stratotype for Chinese Carboniferous Permian boundary.

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Available abstract

The basal boundary of the Permian System has been officially ratified by the ICS, with the GSSP at Aidaralash Creek, northern Kazakhstan. It is defined on the first occurrence of the conodont Streptognathodus isolatus Chernykh et al . 1997 slightly below the contract between the ammonoid genozones of Shumardites Vidrioceras below and Svetlanoceras Juresanites above, corresponding approximately to the base of the fusulinacean Sphaeroschwagerina vulgaris S.fusiformis Zone. In China, the Streptognathodus isolatus only has been defined in Carboniferous Permian boundary section of Yangchang, Ziyan of Guizhou Province, and is referred to as the Streptognathodus elongatus S.simplex Zone. The Yangchang section is suitable as a stratotype for Chinese Carboniferous Permian boundary.

Key concepts: Conodont, Global Boundary Stratotype Section and Point, Stratotype, Permian, Carboniferous, Paleontology, Geology, Boundary (topology)

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