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首页> 外文期刊>Journal of the Palaeontological Society of India >MESOPROTEROZOIC ORGANIC-WALLED MICROFOSSILS FROM THE CHAPORADIH FORMATION, CHANDARPUR GROUP, CHHATTISGARH SUPERGROUP, ODISHA, INDIA
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MESOPROTEROZOIC ORGANIC-WALLED MICROFOSSILS FROM THE CHAPORADIH FORMATION, CHANDARPUR GROUP, CHHATTISGARH SUPERGROUP, ODISHA, INDIA

机译：中塞拉德古代有机围墙的微基质，Chandarpur集团，Chandarpur集团，Chhattisgarh Supergroup，Odisha，印度

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摘要

The Chhattisgarh Supergroup is considered as the Palaeo-Meso-proterozoic sedimentary succession. In the present study, well-preserved organic walled microfossils are recorded from the Mesoproterozoic Chaporadih Formation of the Chandarpur Group, Chhattisgarh Supergroup. The Leiosphaeridia-dominated assemblage is constituted of Jacutianema solubila, Leiosphaeridia jacutica, Leiosphaeridia ternata, Leiosphaeridia exsculpta, Leisophaeridia tenuissima and Trachysphaeridium levis. T levis and J. solubila transgress into Neoproterozoic. Biostratigraphic implication of the fossil assemblage challenges the claim that the sedimentation in different Proterozoic basins of India, including Chhattisgarh Supergroup of central India, closed after Mesoproterozoic age and sedimentation did not continue into Neoproterozoic Era. This study demonstrates that the Chaporadih Formation of the Chandarpur Group entombs a few palaeobiological entities which cross over into Neoproterozoic. The present assemblage provides a new perspective to the lithostratigraphy and age of the Chhattisgarh basin.
机译：Chhattisgarh Supergroup被认为是Palaeo-Meso-noterozoic沉积连续。在本研究中，从Chandarpur Group，Chhattisgarh Superroup的Mesoproterozoic ChaporaTih中记录了完全保存的有机壁式微生物。 Leiosphaeridia主导的组合组成由雅典氏菌索尔朱劳拉，雷磷脂浴，雷沙伊啶菊属，Leiosphaeridia exculpta，Leisheridia Tenuissima和Trachysphaeridium Levis。 T Levis和J.Solubila越过NeoproteroZoic。化石组合的生物数据学意蕴挑战印度不同正相色山脉沉降，包括印度中部的Chhattisgarh超级群体，后期缩小的年龄和沉降不持续进入NeoProteroZoice。本研究表明，Chandarpur集团的ChaporAdih形成了几个古生物实体，跨越NeoProotrozoic。目前的汇编为Chhattisgarh盆地的Lithostraphy和年龄提供了一种新的视角。

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