Middle to Upper Permian radiolarian faunas from chert blocks in Pai area, northwestern Thailand
Well-preserved Permian radiolarians have been discovered from chert blocks embedded in a unit in the Pai district, Mae Hong Son province, northwestern Thailand that was recently mapped as Carboniferous. Twenty-four taxa belonging to ten genera have been recognized and some significant forms of Folli...
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| Main Authors: | , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-33847791393&partnerID=40&md5=40835cccff3067f1ff9236c14e5085c1 http://cmuir.cmu.ac.th/handle/6653943832/5041 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | Well-preserved Permian radiolarians have been discovered from chert blocks embedded in a unit in the Pai district, Mae Hong Son province, northwestern Thailand that was recently mapped as Carboniferous. Twenty-four taxa belonging to ten genera have been recognized and some significant forms of Follicucullus are present. Two upper Maokouan (Capitanian) to lower Wuchiapingian radiolarian assemblages (Follicucullus monacanthus, Follicucullus charveti - F. porrectus assemblages) are reported. Follicucullus charveti CARIDROIT & DE WEVER is interpreted as a possible provincialism rather than being endemic like other members of the same genus. These results provide more data to demonstrate that in northern Thailand, the Devonian to Triassic was of a zone of deep siliceous marine sedimentation. The resultant deposits are one of the longest witnesses of continuous deposition in an oceanic setting. |
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