D.G. Harbowo, R.N.F.A. Nahar, D. Sari, T. Julian, T.A. Kuswara, R.A. Abimayu, R.A. Lajona, S. Huzaifah
Reports on the presences of petrified wood fossils in Padangcermin, Lampung, are rare, no strong examination that expose the scientific concern on its paleoenvironment perspective. By the published geological map, these fossils was found in the area that labelled as Cretaceous sedimentary rock (145-66 mya). Recently, the known oldest petrified wood fossil in Indonesia, is from Miocene epoch (23.03-5.33 mya). It is an interesting circumstance to examine. By this study, we are trying to confirm this circumstances by conducting the geological mapping, collecting, and identifying the petrified wood fossils that could be found as in situ fossils in the area. This study reveals a new update in paleoenvironmental perspective. The petrified woods in this area are commonly preserved in cherty layer. There are also several fossilized aquatic freshwater plant remains that presences in this area. We suggest the fossilization of the petrified wood fossil in this area is related to high alkaline-freshwater lacustrine. Supposedly, it associated with the Cretaceous terrestrial landmass and freshwater lacustrine environment in southern paleo-Sumatra by paleontological interpretation of data in this study. © Published under licence by IOP Publishing Ltd.
Department of Geology, Institut Teknologi Sumatera, Wayhui, Lampung, Indonesia; Doctoral Program of Geological Engineering, Institut Teknologi Bandung, West Java, Bandung, Indonesia
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