Choiriah, Siti Umiyatun and Prasetyadi, Carolus and Rubiyanto, Kapid (2019) Paleotemperature Interpretation Based On Calcareous Nannoplankton Of Kedung Sumber River Section, Soko, Bojonegoro, East Java. In: Seminar Nasional CPP 2019 “Pengembangan Ristek dan Pengabdian Menuju Hilirisasi Industri” LPPM UPN “Veteran” Yogyakarta, 16-17 October 2019, Yogyakarta.
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Abstract
Analysis of 64 samples taken from the Kedung Sumber River section represent of Kalibeng Formation, Atasangin Member, Klitik Member, Sonde Formation, and Pucangan Formation. The detail of nannoplankton analysis showing that temperature changes influenced to the growth of nannoplankton. Result of this study reveals that a number of 32 zones paleotemperature change. Age of the Kalibeng Formation is Late Miocene to Early Pliocene (NN10-NN13), divided into nine zones: 1/warm, 2/cold, 3/transitional, 4/warm, 5/cold, 6/warm, 7/cold, 8/cold, 9/warm zone. Atasangin Member are divided into 3 zones: 10/cold, 11/warm, 12/cold zone. Age of this member is Early Pliocene (NN13-NN14). Klitik Member is Early Pliocene to Late Pliocene (NN14-NN17), and divided to 7 zones: 13/transitional, 14/warm, 15/cold, 16/warm, 17/cold, 18/warm zone. Age of Sonde Formation is NN18-NN20 (Late Pliocene to Early Pleistocene), have into 7 zones: 19/cold, 20/warm, 21/transitional, 22/cold, 23/transitional, 24/cold, 25/transitional, 26/ cold, 27/transitional zone, 28/warm, 29/cold zone. Pucangan Formation are divided into 3 zones: 30/warm, 31/transitional, 32/cold zone. Age of this formation is Pleistocene (NN20-NN21). Keywords: Palaeotemperature, nannoplankton, Kedung Sumber
| Item Type: | Conference or Workshop Item (Paper) |
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| Subjects: | Q Science > QE Geology |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment |
| Depositing User: | Ir., MT SITI UMIYATUN CHOIRIAH |
| Date Deposited: | 17 Jan 2020 06:51 |
| Last Modified: | 21 Jan 2020 02:32 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/22117 |
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