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贵州青岩中三叠世安尼期琥珀及其意义
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作者 田垚铠 楚道亮 +10 位作者 曹怡然 Jacopo Dal Corso guido roghi 宋海军 田力 刘传远 贺箫 缪雪 张世岩 舒文超 童金南 《地球科学》 EI CAS CSCD 北大核心 2024年第4期1515-1523,共9页
中-晚三叠世是现代型生态系统构建的关键时期,系统研究该时期生物与环境的协同演变过程对揭示生物复苏机制和生态系统重建规律具有重要意义.琥珀是探讨中-晚三叠世植物演化和古气候演变的重要载体.对青岩剖面雷打坡段的琥珀和伴生的植... 中-晚三叠世是现代型生态系统构建的关键时期,系统研究该时期生物与环境的协同演变过程对揭示生物复苏机制和生态系统重建规律具有重要意义.琥珀是探讨中-晚三叠世植物演化和古气候演变的重要载体.对青岩剖面雷打坡段的琥珀和伴生的植物化石开展研究,并将全球的中-晚三叠世琥珀的分布与湿润事件进行对比分析.结果发现青岩琥珀是由松柏类植物伏脂杉生产,琥珀的出现与松柏类植物的辐射演化有关.菊石生物地层表明含有琥珀的地层属于中三叠世安尼期Pelsonian亚期.认为琥珀的产出与湿润事件具有对应性,说明湿润事件可能是中-晚三叠世琥珀频繁出现的重要原因. 展开更多
关键词 中三叠世 安尼期 琥珀 湿润事件 贵州青岩 地层学
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Revision of the Conodont Mockina slovakensis and Its Paleogeographic Implications for the Upper Triassic Intraplatform Basins of the Alps 被引量:2
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作者 Yixing Du Viktor Karadi +3 位作者 guido roghi Maurizio Ponton Andrea Cozzi Manuel Rigo 《Journal of Earth Science》 SCIE CAS CSCD 2021年第3期657-666,共10页
Mockina slovakensis,thought to have evolved from Epigondolella praeslovakensis,is an important species of the Norian(Upper Triassic),generally considered as the representative of the uppermost Alaunian to upper Sevati... Mockina slovakensis,thought to have evolved from Epigondolella praeslovakensis,is an important species of the Norian(Upper Triassic),generally considered as the representative of the uppermost Alaunian to upper Sevatian in the Tethys.The previous description of M.slovakensis was incomplete,thus has led to some misidentifications.We thus update the description of M.slovakensis and discuss its comparisons and occurrence based on the new conodont investigations in Dolomia di Forni and the data from previous literatures.The conodont assemblage in the succession of Dolomia di Forni is dominated by M.slovakensis,along with rare M.postera and E.praeslovakensis.We described two morphotypes of M.slovakensis(morphotypes A and B),on the basis of shape of the lateral profile.These two morphotypes can also be observed in the E.praeslovakensis.Moreover,M.slovakensis is usually documented as almost monospecific conodont association in intraplatform basins,thus its paleogeographic implications are also discussed. 展开更多
关键词 Mockina CONODONT MORPHOTYPE intraplatform basin
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