Erick Setiyabudi, Erick
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Pleistocene Reptiles of The Soa Basin (Flores, Indonesia): Adaptation and Implication for Environment Setiyabudi, Erick
Jurnal Geologi dan Sumberdaya Mineral Vol 17, No 2 (2016): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

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Abstract

The presence of fossil reptiles from the mainland of Asia, such as: giant tortoise (Megalochelys sp.), fresh water turtle (Geoemydidae), crocodile (Crocodylus sp.) and the komodo dragon (Varanus komodoensis) in the Soa Basin of Flores, supports the hypothesis that Wallace's line is not a demarcation line between the reptilian fauna from Asia (Indo-Malayan region) and that from Australia (Austro-Malayan region) in the reptiles came to Flores about 1 million years ago, or perhaps earlier (during the Pleistocene), by sweep stake dispersal through swimming or floating. After arrived, they lived in isolated conditions and adapted to a savannah environment. Nevertheless no morphological changes with their Asian mainland ancestors could be found.
The Early Holocene Vertebrate Faunas from Seropan Cave, Gunung Sewu, Yogyakarta, Indonesia Setiyabudi, Erick; Prasthisto, Bambang; Kurniawan, Iwan; Jatmiko, Teguh
Indonesian Journal on Geoscience Vol 5, No 1 (2018)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (9541.513 KB) | DOI: 10.17014/ijog.5.1.33-45

Abstract

DOI: 10.17014/ijog.5.1.33-45An excavation of a vertebrate fossil site was carried out in 2012 in the Seropan Cave of Gunung Sewu karst area, Wonosari, Yogyakarta. Among the discovered mammal fossils there are Cervus sp., Sus verrucosus, Bubalus sp., and Panthera cf. pardus. Small mammal bone fragments of GSP (Gua Seropan/Seropan Cave) Nos. 38, 67, 91-113 have been analyzed for C14 radiocarbon age dating, which gave a date of 9,450 ± 400 yrs. B.P. or Early Holocene. The Seropan fauna is part of the succession series of Braholo fauna that migrated before the Late Pleistocene, and was isolated after the last Ice Age. The Seropan fauna developed and adapted their morphology to the local habitat.
Geoconservation of Vertebrate and Human Ancient Fossils Site, The South TulungagungArea East Java Setiyabudi, Erick; Trihascaryo, Agus; Koesbarditi, Tutik; Adi Suriyanto, Rusyad; Bayu Murti, Delta
Jurnal Geologi dan Sumberdaya Mineral Vol 20, No 4 (2019): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2094.83 KB) | DOI: 10.33332/jgsm.geologi.20.4.%p

Abstract

The paleontology and archeology sites in southern Tulungagung, East Java are part of the geodiversity and geological heritage that has significance for the process of evolution and migration of early modern humans. The sites are Wajak Cave, Song Gentong, and Tenggar Cave (Late Pleistocene to Early Holocene) located in the marble and limestone ornaments mining area of the Campurdarat Formation. Geoconservation of the geological heritage continues to be carried out by research or excavation in these fossil sites to reveal the past life and paleoenvironment, where the fossil site is susceptible to the threat of damage due to surrounded mining activities.Keyword: Wajak Cave, Song Gentong, Tenggar Cave, limestone, marble, Campurdarat Formation.