Arid
DOI10.1016/j.cretres.2021.104956
Palynostratigraphy and palaeoenvironmental evolution of the Aptian to lower Cenomanian succession in the Serrania de Cuenca (Eastern Spain)
Bueno-Cebollada, Carlos A.; Barron, Eduardo; Peyrot, Daniel; Melendez, Nieves
通讯作者Bueno-Cebollada, CA (corresponding author), CSIC, Inst Geol & Minero Espana IGME, Museo Geominero, Rios Rosas 23, Madrid 28003, Spain.
来源期刊CRETACEOUS RESEARCH
ISSN0195-6671
EISSN1095-998X
出版年2021
卷号128
英文摘要The Aptian to lower Cenomanian succession from the Serrania de Cuenca region (Eastern Iberia, Spain) comprises a time-span largely understudied regarding palynology and biostratigraphy. This research studies the deposits of three stratigraphic units that crop out in this region (the Contreras Formation, the El Burgal Member and the Utrillas Group), allowing identification, study and sampling of the palynofloras from the Aptian-?early Cenomanian time-interval. The studied sections are grouped into three sectors based on the palynostratigraphic ages obtained: the MPB, TU, and CT sectors, respectively. The palyno-flora is dominated by gymnosperm pollen grains and diversified spores of ferns and allies. The paly-nofloral evidence and regional geology indicate that the sampled levels in the MPB sector are Aptian in age, whereas those levels sampled at the TU and CT sectors are dated as middle Albian-?early Cen-omanian. The Aptian palynofloras of this sector differ from other contemporaneous sites of Europe and North America in the possible occurrence of tricolpate angiosperm pollen. In general, angiosperm pollen does not present high percentages; however, it becomes more diversified from the middle Albian in the TU and CT sectors, where more than 20 taxa were recorded on average. The studied pollen assemblages conform with the characteristics of the early Cenophytic palynofloras. Likewise, an increase in dinocysts towards the upper levels of the sedimentary succession in the TU and CT sectors is consistent with the transgressive nature of the deposits, documenting the progressive landward expansion of Western Tethys in Iberia during Albian to ?early Cenomanian times. (c) 2021 Elsevier Ltd. All rights reserved.
英文关键词Early Cenophytic palynofloras Aptian-early Cenomanian Serrania de Cuenca Western Tethys arid braidplain system
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000696987800006
WOS关键词ANGIOSPERM POLLEN ; DIVERSIFICATION ; CLIMATE ; SYSTEM ; MARGIN ; BASIN ; PALYNOLOGY ; RADIATION ; TAXONOMY ; DEPOSITS
WOS类目Geology ; Paleontology
WOS研究方向Geology ; Paleontology
来源机构University of Western Australia
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/368164
作者单位[Bueno-Cebollada, Carlos A.; Barron, Eduardo] CSIC, Inst Geol & Minero Espana IGME, Museo Geominero, Rios Rosas 23, Madrid 28003, Spain; [Peyrot, Daniel] Univ Western Australia, Ctr Energy Geosci, Sch Earth & Environm, Crawley, WA 6101, Australia; [Melendez, Nieves] Fac Ciencias Geol, Dept Geodinam Estratig & Paleontol, Jose Antonio Novais 12, Madrid 28040, Spain
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Bueno-Cebollada, Carlos A.,Barron, Eduardo,Peyrot, Daniel,et al. Palynostratigraphy and palaeoenvironmental evolution of the Aptian to lower Cenomanian succession in the Serrania de Cuenca (Eastern Spain)[J]. University of Western Australia,2021,128.
APA Bueno-Cebollada, Carlos A.,Barron, Eduardo,Peyrot, Daniel,&Melendez, Nieves.(2021).Palynostratigraphy and palaeoenvironmental evolution of the Aptian to lower Cenomanian succession in the Serrania de Cuenca (Eastern Spain).CRETACEOUS RESEARCH,128.
MLA Bueno-Cebollada, Carlos A.,et al."Palynostratigraphy and palaeoenvironmental evolution of the Aptian to lower Cenomanian succession in the Serrania de Cuenca (Eastern Spain)".CRETACEOUS RESEARCH 128(2021).
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