Geometry determination of channel-fill deposit induced by turbidity current: A study from an outcrop analogue

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Abstract

Channel system produced by turbidity current has been proved as one of the most prominent hydrocarbon reservoirs. Geoscientists find many challenges to characterize and to predict the geometry of the turbiditic deposit because of their complexities, diversities, and outcrop scarcities. Thus the objective of this research is to understand the geometrical characteristic of the turbiditic channel and how it is generated by studying its outcrop as an analogue for subsurface hydrocarbon reservoir. This study discusses geometry determination and paleogeographical environment from the outcrop. From the field observation, we found that the turbidite facies is encased in a muddy deposit of other associated facies. The turbidite facies composed of interbedded coarse-grained sandstones and very coarse-grained in the lower part with planar and cross-bedding sedimentary structure. The base of this facies is sharp or locally show erosional surface with burrows commonly observed in the middle or upper part of the facies. The dimension of this package is 360 cm thick with overall fining-upward pattern in the uppermost 100 cm. The overall geometry of the outcrop represents a lens of channel-fill deposit induced by the turbidity current. The expected initial environment of this outcrop that we propose is on a deep water steeper slope with smoother relief and without any confining boundary. Further study on petrography, biostratigraphy, and forward modeling will be needed in the future to be able to replicate turbidity process in deep water slope environment.

Original languageEnglish
Title of host publicationProceedings of the 3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
EditorsRatna Yuniati, Terry Mart, Ivandini T. Anggraningrum, Djoko Triyono, Kiki A. Sugeng
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735417410
DOIs
Publication statusPublished - 22 Oct 2018
Event3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017 - Bali, Indonesia
Duration: 26 Jul 201727 Jul 2017

Publication series

NameAIP Conference Proceedings
Volume2023
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
CountryIndonesia
CityBali
Period26/07/1727/07/17

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    Aufar, A., Prasojo, O. A., Syahputra, R., Kristyanto, T. H. W., & Sihombing, F. M. H. (2018). Geometry determination of channel-fill deposit induced by turbidity current: A study from an outcrop analogue. In R. Yuniati, T. Mart, I. T. Anggraningrum, D. Triyono, & K. A. Sugeng (Eds.), Proceedings of the 3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017 [020179] (AIP Conference Proceedings; Vol. 2023). American Institute of Physics Inc.. https://doi.org/10.1063/1.5064176