| Reference Type | Journal (article/letter/editorial) |
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| Title | The petrochemistry of the Lower Proterozoic metamorphic rocks from the Dabieshan-Lianyungang area, the southeastern margin of the North China Platform |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Longkang, Sang | Author |
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| Year | 1991 (June) | Volume | 55 |
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| Issue | 379 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_55/55-379-263.pdf+ |
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| DOI | doi:10.1180/minmag.1991.055.379.15Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1723 | Long-form Identifier | mindat:1:5:1723:1 |
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| GUID | 0 |
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| Full Reference | Longkang, Sang (1991) The petrochemistry of the Lower Proterozoic metamorphic rocks from the Dabieshan-Lianyungang area, the southeastern margin of the North China Platform. Mineralogical Magazine, 55 (379) 263-276 doi:10.1180/minmag.1991.055.379.15 |
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| Plain Text | Longkang, Sang (1991) The petrochemistry of the Lower Proterozoic metamorphic rocks from the Dabieshan-Lianyungang area, the southeastern margin of the North China Platform. Mineralogical Magazine, 55 (379) 263-276 doi:10.1180/minmag.1991.055.379.15 |
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| In | (1991, June) Mineralogical Magazine Vol. 55 (379) Mineralogical Society |
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| Abstract/Notes | AbstractBased on geological studies, 141 rock analyses and 5 trace element analyses of metabasites, the present paper deals with the rock association, chemical features, protolith formation and the original tectonic settings upwards through the Lower Proterozoic metamorphic strata in the Dabieshan-Lianyungang area, in the south-east of the North China Platform. The results of the study indicate that the lower and middle parts of the metamorphic strata comprise terrigenous clastics, phosphoritic and aluminous sedimentary formations which formed under stable continental margin conditions. In the middle-upper part a calc-alkaline volcano-sedimentary formation under the active continental margin was developed. The Lower Proterozoic meta-strata of sedimentary-volcanosedimentary origin from bottom upwards suggest that the tectonic evolution of the south-eastern margin of the North China Platform is a process from stabilization to mobilization. This process suggests a northward subduction of the Yangtze Plate under the North China Plate during the later part of the early Proterozoic. |
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