Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasin
.Khon Kaen’s petrified wood fossil sites in northeastern Thailand, though less studied, hold significant paleontological value. These sites offer crucial insights into the region’s geology. The Quaternary gravel beds, which contain a diverse array of petrified wood, were deposited on elevated terrac...
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Taylor & Francis Group
2025-05-01
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| Series: | Geology, Ecology, and Landscapes |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/24749508.2025.2506851 |
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| author | Parisa Nimnate Rungroj Arjwech Pradit Nulay Sutatcha Hongsresawat |
| author_facet | Parisa Nimnate Rungroj Arjwech Pradit Nulay Sutatcha Hongsresawat |
| author_sort | Parisa Nimnate |
| collection | DOAJ |
| description | .Khon Kaen’s petrified wood fossil sites in northeastern Thailand, though less studied, hold significant paleontological value. These sites offer crucial insights into the region’s geology. The Quaternary gravel beds, which contain a diverse array of petrified wood, were deposited on elevated terraces along the western boundary of the Khon Kaen subbasin. Field investigations focused on collecting sedimentological data to analyze the stratigraphic sequence, identify lithofacies, and characterize architectural elements in the gravel pits. The unconsolidated units (Units I–IV) unconformably overlie the Khorat Group bedrock in the Ban Non Rang area (north) and the Ban Kean Phra Doo area (south). From bottom to top, these units are as follows: I) conglomeratic sand, II) lenticular gravel with sand, III) massive gravel, and IV) red sandy soil containing minor pebble clasts. The depositional environment is interpreted as a braided stream on an alluvial fan with some debris flow occurrences, influenced by medium- to high-energy gravity/debris flows (Units I–III). Unit IV is identified as having been influenced by bioturbation processes. The majority of clasts in Units II and III consist of quartz, likely originating from the mountain ranges to the north to northwest of the subbasin. |
| format | Article |
| id | doaj-art-846e2fd7ec4b4995b6a90e9375cd8bc6 |
| institution | DOAJ |
| issn | 2474-9508 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Taylor & Francis Group |
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| series | Geology, Ecology, and Landscapes |
| spelling | doaj-art-846e2fd7ec4b4995b6a90e9375cd8bc62025-08-20T03:09:42ZengTaylor & Francis GroupGeology, Ecology, and Landscapes2474-95082025-05-0111610.1080/24749508.2025.2506851Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasinParisa Nimnate0Rungroj Arjwech1Pradit Nulay2Sutatcha Hongsresawat3Division of Geoscience, Mahidol University Kanchanaburi Campus, Kanchanaburi, ThailandDepartment of Geotechnology, Faculty of Technology, Khon Kaen University, Khon Kaen, ThailandDepartment of Mineral Resources, Ministry of Natural Resources and Environment, Office of Mineral Resources Region 2, Khon Kaen, ThailandDivision of Geoscience, Mahidol University Kanchanaburi Campus, Kanchanaburi, Thailand.Khon Kaen’s petrified wood fossil sites in northeastern Thailand, though less studied, hold significant paleontological value. These sites offer crucial insights into the region’s geology. The Quaternary gravel beds, which contain a diverse array of petrified wood, were deposited on elevated terraces along the western boundary of the Khon Kaen subbasin. Field investigations focused on collecting sedimentological data to analyze the stratigraphic sequence, identify lithofacies, and characterize architectural elements in the gravel pits. The unconsolidated units (Units I–IV) unconformably overlie the Khorat Group bedrock in the Ban Non Rang area (north) and the Ban Kean Phra Doo area (south). From bottom to top, these units are as follows: I) conglomeratic sand, II) lenticular gravel with sand, III) massive gravel, and IV) red sandy soil containing minor pebble clasts. The depositional environment is interpreted as a braided stream on an alluvial fan with some debris flow occurrences, influenced by medium- to high-energy gravity/debris flows (Units I–III). Unit IV is identified as having been influenced by bioturbation processes. The majority of clasts in Units II and III consist of quartz, likely originating from the mountain ranges to the north to northwest of the subbasin.https://www.tandfonline.com/doi/10.1080/24749508.2025.2506851Petrified woodlithofaciesarchitectural elementdepositional environmentKhon Kaen subbasin |
| spellingShingle | Parisa Nimnate Rungroj Arjwech Pradit Nulay Sutatcha Hongsresawat Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasin Geology, Ecology, and Landscapes Petrified wood lithofacies architectural element depositional environment Khon Kaen subbasin |
| title | Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasin |
| title_full | Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasin |
| title_fullStr | Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasin |
| title_full_unstemmed | Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasin |
| title_short | Lithostratigraphy of a high terrace with petrified wood fossils in Northeastern Thailand: implication for the depositional environment and geologic setting of the Khon Kaen subbasin |
| title_sort | lithostratigraphy of a high terrace with petrified wood fossils in northeastern thailand implication for the depositional environment and geologic setting of the khon kaen subbasin |
| topic | Petrified wood lithofacies architectural element depositional environment Khon Kaen subbasin |
| url | https://www.tandfonline.com/doi/10.1080/24749508.2025.2506851 |
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