WebMay 5, 2007 · In combination with sedimentary characteristics and the new isotopic results, the Dagushi Group probably formed in a shallow marine basin setting and received dominant detritus from the Kongling and Yangpo complexes. In contrast, the Huashan Group received sediments recycled from the underlying Dagushi Group and … WebThe Dagushi Formation consists of fluvio-lacustrine breccia, conglomerate and mudstone. Most of conglomerates retain angular boundayies and rarely roundness. Thecompositions of conglomerates vary from quarzite, mix rocks and meta-basalt. Most of sandstones are poorly sorted, indicating a quick subsidence.
Dagushi Group, Northern Margin of the Yangtze …
WebMar 31, 2024 · The Dagushi Group (Gp) is one of the Mesoproterozoic strata rarely found at the northern margin of the Yangtze Block. U–Pb geochronology and Lu–Hf isotopic analyses of detrital zircons were ... WebJan 19, 2024 · This age, along with the ages reported from the bottom of the Danzhou Group, constrains deposition of the Danzhou Group to between ca. 820 Ma and ca. 715 Ma. ... Sedimentary sequence and tectonic affinity of the Shennongjia and Dagushi groups in the northern margin of the Yangtze Block and their comparative study … onus awards
Depositional age of the Dagushi Group in the Dahong Mountain, …
WebRESTAURANT NOW OPEN 9945 Trinity Blvd #102 Trinity, FL 34655 WebLi Huaikun, Tian Hui, Zhou Hongying, et al. Correlation between the Dagushi Group in the Dahongshan area and the Shennongjia Group in the Shennongjia area on the northern margin of the Yangtze Craton: Constraints from zircon U-Pb ages and Lu-Hf isotopic systematics[J]. Earth Science Frontiers, 2016, 23(6): 186-201. [30] WebClonophycus is a genus of fossil microalgae. The type species, C. elegans, was found in the Barney Creek Formation (McArthur Group), of the Middle Proterozoic of Northern Australia. The authors are uncertain if the microalgae are prokaryotic cyanobacteria or eukaryotic green or red algae. Species † Clonophycus belium Late Sinian to Early Cambrian on usa network