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PALYNOLOGICAL ASSEMBLAGE OF THE SANGONGHE FORMATION FROM TUZIAKENEIGOU, KARAMAY, XINJIANG, NW CHINA
Author(s): 
Pages: 443-450,图版Ⅰ-图版Ⅲ
Year: Issue:  4
Journal: ACTA MICROPALAEONTOLOGICA SINICA

Keyword:  孢粉组合三工河组早侏罗世克拉玛依新疆;
Abstract: 通过对新疆克拉玛依地区吐孜阿克内沟剖面三工河组孢粉组合的研究,共鉴定孢粉23属32种,藻类化石2属4种,命名为Disacciattileti-Monocolpares-Cydathidites组合(简称DMC组合).描述了5种花粉Abietineapollenztes dunrobinensis Couper,Pseudopicea monstruosa Bolch.,Podocarpidites,tricoccus(Mal.)Liu,P.Typicus(Mal.)Liu,P.Permaga(Bolch.)Liu,前1种在英国、后4种在前苏联早已发现,但在我国首次见到,这些花粉体积较大,形态特征明显,易于鉴定,有可能层位较为稳定,具有地层意义.根据孢粉组合特征鉴定DMC组合的地质时代为早侏罗世晚期,同时探讨了古植被和古气候的意义.
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