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Palynoflora from intertrappean localities in southeastern part of Deccan volcanic province: taxonomic composition, age and paleogeographic implications
Palaeoworld ( IF 1.7 ) Pub Date : 2019-06-01 , DOI: 10.1016/j.palwor.2019.05.010
Bandana Samant , Deepesh Kumar , D.M. Mohabey , D.K. Kapgate , Steven R. Manchester , Sharad Kumar Patil

Understanding the flora preserved in the Late Cretaceous–Early Paleocene Deccan volcanic associated sediments is significant as it gives insight into the floral composition during Deccan volcanic activity. This time interval is also associated with extinction and evolution of many angiosperm families on the Indian subcontinent. The record of palynomorph bearing intertrappean beds of Shankar Lodhi in Chandrapur district and Shimbala in Yavatmal district of Maharashtra from southeastern part of Deccan volcanic province provides information on biodiversity, age and depositional environment of the Deccan province. These intertrappean beds are characterized by presence of Maastrichtian age marker taxa such as Azolla cretacea, Jiangsupollis and Echitricolpites. Aquatic palynoassemblage such as, Azolla cretacea, Crybelosporites intertrappea, Gabonisporis vigourouxii and Sparganiaceaepollenites are dominant in Shankar Lodhi intertrappean beds. Presence of taxa Crybelosporites, Incrotonipollis and Periporopollenites in the intertrappean beds of the study area and their global geological history suggest their Gondwanan origin.



中文翻译:

德干火山省东南部圈间地区的科植物:分类学组成,年龄和古地理意义

了解白垩纪晚期至新世早期的德肯火山相关沉积物中保存的植物很重要,因为它可以洞察德肯火山活动期间的花香成分。该时间间隔还与印度次大陆上许多被子植物的灭绝和进化有关。来自德干火山省东南部的钱德拉普尔地区尚德拉布尔地区尚卡尔洛迪和马哈拉施特拉邦雅瓦特马尔地区的欣巴拉的带层状变质层间层的记录提供了德干省生物多样性,年龄和沉积环境的信息。这些intertrappean床的特征在于马斯特里赫特年龄标记分类群的存在,如满江红cretaceaJiangsupollisEchitricolpites。水产palynoassemblage例如,满江红cretaceaCrybelosporites intertrappeaGabonisporis vigourouxiiSparganiaceaepollenites占主导地位的香卡,洛迪intertrappean床。研究区圈间中的类群CrybelosporitesIncrotonipollisPeriporopollenites的存在及其全球地质历史表明它们属于冈瓦南

更新日期:2019-06-01
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