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Palynological characteristics of Kazakhstan Province of Carboniferous Euramerican Region 被引量:1
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作者 Maya V.Oshurkova 《Global Geology》 2012年第1期1-12,共12页
The paper presents results of palynological studies of the coal-bearing Carboniferous in Central Kazakhstan. A quantitative dynamics of major genera of miospores reflects an overall succession of the Carboniferous mio... The paper presents results of palynological studies of the coal-bearing Carboniferous in Central Kazakhstan. A quantitative dynamics of major genera of miospores reflects an overall succession of the Carboniferous miospore assemblages. Visean Serpukhovian assemblages are dominanted by Lophozonotriletes fuscatus, Acanthozonotriletes cristifer, A. inclusus, Punctatisporites glabratus, Crassispora ignorata, C. scrupea, Cyclobaculisporites trichacanthus, Lycospora breviapiculata, L. echinata and Vallatisporites decrescens. Rare Punctatisporites bertschoguriensis , Stenozonotriletes marginellus , Vallatisporites appilicatus , Verrucosisporites serobiculatus , Retieulatisporites caneellatus, Granulatisporites areuatus are recorded, which are not found in assemblages from overlying sediments. Bashkirian-Moseovian assemblages are dominated by Lyeospora subtriquetra, L. pusilla, Vallatisporites ciliaris, Apiculatisporis mollis, Cyelogranisporites testieulatus, Calamospora mierorugosa, Sehopfipollenites principalis, Psilohyrnena psiloptera, Florinites grandis and Granulatisporites piroformis miospores. Cristatisporites latispinus, Angulisporites didymus, Thymospora obseura and Torispora securis are also present, as well as single Apieulatisporis eurvispinus, Raistriekia inordinata, Marsupipollenites retroflexus, Entylissa eaperata, Potonieisporites grandis and Cordaitina sp. A similar succession of miospore assemblages is recorded in the Carboniferous deposits of Europe and North America, which allows carrying out correlations, despite an endemic characters of many species of Paleozoic miospores from the coal-bearing Carboniferous of the Kazakhstan Province in the Euramerian Paleofloristic Region. 展开更多
关键词 MIOSPORES CARBONIFEROUS BIOSTRATIGRAPHY Kazakhstan
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