FOSSIL OSTRACODS AND CHAROPHYTES FROM THE SUWEIYI FORMATION (TERTIARY)IN KUQA DEPRESSION OF TARIM BASIN, NW CHINA
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Abstract:
Only a few fossil ostracods were reported from the Suweiyi Formation of Tarim Basin in the past. The specimens described in the present paper were collected from a Tukermen section in Tarim Basin, which contains nine species of five genera. They are mostly distributed in the upper part of this formation, while a few species from the lower part are associated with charophyte fossils which are rich in quantity but low in diversity.\;According to the occurrence of those ostracod species in other areas of NW China, the Suweiyi Formation might belong to Miocene in age and also probably contains Oligocene deposits due to the presence of the Sphaerochara Charites charophyte assemblage.
