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POTENSI GEOWISATA DI KABUPATEN PASER, KALIMANTAN TIMUR Desianto Payung Battu; Ikhwanur Adha; Teddy Kurniawan; Hamriani Ryka; Maulana Ichsan Eriyanto
PETROGAS: Journal of Energy and Technology Vol 5, No 1 (2023): March
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v5i1.122

Abstract

Paser Regency is one of the regencies in East Kalimantan which is located in the southernmost part. This district has unique natural conditions and has the potential to become a tourist attraction. Geomorphologically, Paser Regency has various conditions from coastal areas to hilly and mountainous areas. Paser Regency also has geological conditions that vary from Pre-Tertiary to Quaternary age. The purpose of this study is to introduce to the public, both domestically and abroad, geotourism locations in Paser Regency and to examine its geotourism potential. Data was collected using descriptive methods, namely field observations including descriptions, recordings, and measurements to determine the geological and tourist conditions at the research site. Petrological analysis was carried out to determine the type and composition of rocks in detail and was carried out to provide information on the lithological characteristics as edu-geotourism materials at that location. The analysis produces a geotourism map that shows geotourism location information. Paser Regency has 9 locations that have the potential as geotourism objects, namely Lempesu Waterfall, Boga Mountain, Losan Cave, Tengkorak Cave, Loyang Cave, Rambutan Mountain Waterfall, Embung Muru, Doyam Seriam Waterfall, and Danum Layong Hot Spring. Increasing the location of geotourism needs to be done, both in infrastructure development and sustainable management, so that tourists can be comfortable in enjoying their visit.
Characterization Of Deltaic Source Rocks And Hydrocarbon Potential In The Lower Kutai Basin Jamaluddin; Desianto Payung Battu
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

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Abstract

The Lower Kutai Basin in East Kalimantan, Indonesia, partly covered by the modern Mahakam Delta, was examined to assess its hydrocarbon source rock potential and depositional environment. Geochemical analysis of Miocene shale samples reveals Total Organic Carbon (TOC) values ranging from 1.3 to 5.32 wt.%, indicating good to excellent organic richness with an average TOC of 2.5 wt.%. Hydrogen Index (HI) and Tmax results show that the organic matter is dominated by type III kerogen with minor type II/III, mainly derived from terrestrial higher plants. Tmax values between 425 and 447°C and vitrinite reflectance values of 0.64 – 0.77% indicate immature to early mature thermal stages. The Pr/n-C17 and Ph/n-C18 ratios suggest deposition under alternating oxic and anoxic conditions within a deltaic to shallow-marine setting influenced by a humid equatorial climate. These findings indicate that the Miocene shales of the Lower Kutai Basin possess strong gas-prone and mixed hydrocarbon generation potential, making them significant contributors to the petroleum system of the Mahakam Delta region.