索维拉-阿加迪尔盆地（摩洛哥大西洋边缘）的卡勒维世-金梅利期古生物学和古生物地理学

IF 1.7 3区地球科学 Q2 PALEONTOLOGY

Review of Palaeobotany and Palynology Pub Date : 2024-07-02 DOI:10.1016/j.revpalbo.2024.105154

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引用次数: 0

摘要

索维拉-阿加迪尔盆地内的侏罗纪地层因其储层面貌和碳氢化合物潜力而对石油勘探具有重大意义。阿加迪尔-索维拉盆地属于中生代-新生代沉积盆地，是特提斯地层的一部分，确切地说，属于特提斯向西延伸的中大西洋省。所研究的材料来自五个钻孔（GTE-1、MKL-110、NDK-2、NDK-3 和 ESS-1），这些钻孔位于盆地中心，沿东西向分布。所研究样本的有机残留物揭示了多样化的甲藻孢囊群，其中包含全球公认的标记类群：早卡勒夫世的特征物种包括：Ctenidodinium combazii、Ctenidodinium continuum、Ctenidodinium cornigerum、Dichadogonyaulax sellwoodii 和 Impletosphaeridium varispinosum。晚卡洛维世的特征是出现了标记囊虫，包括Compositosphaeridium polonicum、Endoscrinium galeritum Gonyaulacysta centriconnata、Liesbergia liesbergensis、Wanaea thysanota。牛津早期的特征是出现了一些物种，包括牛津纪晚期至基底金美里纪的特征是甲藻囊肿的联合体，包括：Cribroperidinium globata、Cribroperidinium penicillata、Rhynchodiniopsis cladophora、Scriniodinium crystallinum、Systematophora areolata、Systematophora penicillata 和 Trichodinium scarburghense：牛津纪晚期至基底金美尔纪的特征是甲藻囊胞的组合，包括：Cribroperidinium globatum、Dichadogonyaulax?panneum、Downiesphaeridium polytrichum、Egmontodinium polyplacophorum、Endoscrinium galeritum、Gochteodinia mutabilis、Perisseiasphaeridium pannosum、Prolixosphaeridium anasillum、Scriniodinium crystallinum、Systematophora areolata、Systematophora penicillata、Surculosphaeridium vestitum、Systematophora?我们的关联与其他古地理区域内当代盆地中的关联相关联，有助于形成全球古生物地理模式。这一模式补充了之前对卡勒维世-早金麦哲伦时期甲藻囊胞分布的研究。

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Callovian − Kimmeridgian palynology and palaeobiogeography of the Essaouira − Agadir Basin (Moroccan Atlantic Margin)

The Jurassic formations within the Essaouira − Agadir Basin are of considerable interest for petroleum exploration, owing to their reservoir facies and hydrocarbon potentiality. These formations exhibit a scarcity of macrofossils, and their age is determined through lithological correlation.

The Agadir − Essaouira Basin is a Mesozoic − Cenozoic sedimentary basin, part of the Tethyan Realm, precisely belonging to the Central Atlantic province which extends the Tethys westward. The material studied originates from five boreholes (GTE-1, MKL-110, NDK-2, NDK-3 and ESS-1) located at the center the basin along an East−West axis. The organic residue of the studied samples revealed a diverse dinoflagellate cyst assemblage with specific associations incorporating globally recognized marker taxa.

The Early Callovian is distinguished by species such as: Ctenidodinium combazii, Ctenidodinium continuum, Ctenidodinium cornigerum, Dichadogonyaulax sellwoodii, and Impletosphaeridium varispinosum. The Late Callovian is characterized by the presence of marker cysts including: Compositosphaeridium polonicum, Endoscrinium galeritum Gonyaulacysta centriconnata, Liesbergia liesbergensis, Wanaea thysanota. The Early Oxfordian is marked by the association of species including: Gonyaulacysta jurassica subsp. jurassica, Rhynchodiniopsis cladophora, Scriniodinium crystallinum, Systematophora areolata, Systematophora penicillata, and Trichodinium scarburghense.

The Late Oxfordian to basal Kimmeridgian is characterized by an association of dinoflagellate cysts including: Cribroperidinium globatum, Dichadogonyaulax? panneum, Downiesphaeridium polytrichum, Egmontodinium polyplacophorum, Endoscrinium galeritum, Gochteodinia mutabilis, Perisseiasphaeridium pannosum, Prolixosphaeridium anasillum, Scriniodinium crystallinum, Systematophora areolata, Systematophora penicillata, Surculosphaeridium vestitum, Systematophora? daveyi, and Wallodinium krutzschii.

Our associations have been correlated with those in contemporary basins within other paleogeographic realms, contributing to the formulation of a global paleobiogeographic pattern. This pattern complements previous research on the distribution of dinoflagellate cysts during the Callovian − Early Kimmeridgian time interval.

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来源期刊

Review of Palaeobotany and Palynology 地学-古生物学

CiteScore

3.50

自引率

21.10%

发文量

149

审稿时长

6 months

期刊介绍： The Review of Palaeobotany and Palynology is an international journal for articles in all fields of palaeobotany and palynology dealing with all groups, ranging from marine palynomorphs to higher land plants. Original contributions and comprehensive review papers should appeal to an international audience. Typical topics include but are not restricted to systematics, evolution, palaeobiology, palaeoecology, biostratigraphy, biochronology, palaeoclimatology, paleogeography, taphonomy, palaeoenvironmental reconstructions, vegetation history, and practical applications of palaeobotany and palynology, e.g. in coal and petroleum geology and archaeology. The journal especially encourages the publication of articles in which palaeobotany and palynology are applied for solving fundamental geological and biological problems as well as innovative and interdisciplinary approaches.