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Oldest Fusulinid of Khao Khad Formation, Saraburi Province |
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| รหัสดีโอไอ | |
| Creator | Sutharat Sirot |
| Title | Oldest Fusulinid of Khao Khad Formation, Saraburi Province |
| Contributor | Thasinee Charoentitirat |
| Publisher | Department of Geology, Chulalongkorn University |
| Publication Year | 2564 |
| Journal Title | Bulletin of Earth Sciences of Thailand (BEST) |
| Journal Vol. | 13 |
| Journal No. | 1 |
| Page no. | 39-46 |
| Keyword | Fusulinid, Khao Khad Formation, Saraburi, Carbonate petrography |
| URL Website | https://www.bestjournal.org/ |
| Website title | Bulletin of Earth Sciences of Thailand |
| ISSN | 1906-280X |
| Abstract | The study area is located at Khao Makok, in Khao Khad Formation, Saraburi province. It consists of limestone with a lot of fossils such as fusulinid, crinoid, coral, bivalves, etc. These collected limestone samples were prepared as thin sections for petrographic study. The fusulinid is an index fossil used to indicate the age in Carboniferous - Permian. Most of fusulinids in previous studies determined middle Middle Permian - late Middle Permian. However, Robustoscwagerina in this study determined Early Permian (Sakmarian-Yakhtashian). It is the oldest fusulinid of Khao Khad Formation representing that Khao Khad Formation was developed in Early Permian. In petrographic study, the rock is bioclastic rudstone. The most bioclastic grains are fusulinids that show high diversity. It indicates that the study area was deposited in outer shelf environment. |
