Tectonic Influence on Changes in Neogene Sediment Supply, Western Part of North Serayu Basin
(1) Department of Geology Sekolah Tinggi Teknologi Nasional Yogyakarta
(2) Department of Geology Sekolah Tinggi Teknologi Nasional Yogyakarta
Corresponding Author
Abstract
Western part of North Serayu Basin composed of Neogene sequence; Halang, Pemali and Rambatan Formation. The oil seeps discovery in this area is an indication of the presence an active petroleum system. Active tectonic condition occur coincidence with the time of deposition. The tectonic influence on change in sediment supply will be the subject of this research. The combinations of subsidence, eustatic and sediment supply are corresponding to the accommodation space, moreover to the type of sediment which is deposited. The quantity and rate of sediment supply to the basin are closely related to the tectonic activity. In the context of Petroleum Potential, study of sediment supply will provide information about the potential source rock, reservoir and caprock that developed in the research area. During the Neogene at least there have been three times of sea level change in the research area which is related to thickening sedimentary sequence during middle of N18 and thinning in N13 to N17 in some place.
Keywords
Tectonic Influence; North Serayu Basin; Petroleum System; Sea Level
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