Preliminary observations on pre-Devonian of southern Kiangsi |
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| Abstract: | Existence of Sinian to lower Paleozoic formations in this area is confirmed by discoveries made since 1957, by the faculty of the Geological Department of Nanking University, of abundant fossils including graptolites, trilobites and Protospongia. Pre-Devonian strata here exceed 12,000 m in thickness and belong to typical geosynclinal sediments. Summarized in ascending order, these strata are - 1) pre-Sinian (lower Proterozoic), including the Ta-yu and Li-ch'un groups; 2) Sinian, with the Ku-t'ing group; 3) Lower Cambrian, with the Ho-t'ang formation; 4) Middle and Upper Cambrian, Pa-ch'un group; 5) Lower Ordovician, including Yin-tu-hu and Ning-kuo formations; Middle Ordovician, Hu-lo formation; Upper Ordovician, Sha-ch'un group. -- Authors. |
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