Xiaofeng, Xue (1984) Research on the isotopic age of the Sinian–Cambrian boundary at the Meishucun section in Jinning County, Yunnan Province, China. Geological Magazine, 121 (3) 171-173 doi:10.1017/s0016756800028211
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Research on the isotopic age of the Sinian–Cambrian boundary at the Meishucun section in Jinning County, Yunnan Province, China | ||
| Journal | Geological Magazine | ||
| Authors | Xiaofeng, Xue | Author | |
| Year | 1984 (May) | Volume | 121 |
| Issue | 3 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s0016756800028211Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 252336 | Long-form Identifier | mindat:1:5:252336:5 |
| GUID | 0 | ||
| Full Reference | Xiaofeng, Xue (1984) Research on the isotopic age of the Sinian–Cambrian boundary at the Meishucun section in Jinning County, Yunnan Province, China. Geological Magazine, 121 (3) 171-173 doi:10.1017/s0016756800028211 | ||
| Plain Text | Xiaofeng, Xue (1984) Research on the isotopic age of the Sinian–Cambrian boundary at the Meishucun section in Jinning County, Yunnan Province, China. Geological Magazine, 121 (3) 171-173 doi:10.1017/s0016756800028211 | ||
| In | (1984, May) Geological Magazine Vol. 121 (3) Cambridge University Press (CUP) | ||
| Abstract/Notes | AbstractIn this paper the author describes the results of the Rb-Sr isotopic dating of black shale at the Sinian (Precambrian)–Cambrian boundary at the Meishucun section, Jinning County, Yunnan Province, China. The Sinian and Cambrian strata in eastern Yunnan are well developed, the Sinian–Cambrian boundary section in the vicinity of Meishucun Village in Jinning County being representative. These well developed strata provide excellent conditions for research on the radiometric age of the Precambrian–Cambrian boundary. An Rb-Sr isochron age of 579.7 ±8.2 Ma has been obtained on black shale from the Badaowan Member of the Early Cambrian Qiongzhusi Formation, which occurs at 20 m above the Sinian–Cambrian boundary. So an inferred age of 610±10 Ma is given for the Sinian (Precambrian)–Cambrian boundary. | ||
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