Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Kurnia Setiawan Widana"'
Autor:
Rahmat Nawi Siregar, Mochamad Nukman, Kurnia Setiawan Widana, Agung Harijoko, Sismanto Sismanto
Publikováno v:
Energy Geoscience, Vol 5, Iss 4, Pp 100306- (2024)
The presence of geothermal manifestation in Bangka Island (Southeast Sumatra, Indonesia) with the absence of Quaternary volcanic activity and also relatively low seismicity events has raised intriguing questions on the control of the geothermal syste
Externí odkaz:
https://doaj.org/article/4739eb659e6840e0b8e3123b09b583b3
Autor:
Heri Syaeful, Roni Cahya Ciputra, Tyto Baskara Adimedha, Agus Sumaryanto, I Gde Sukadana, Frederikus Dian Indrastomo, Fadiah Pratiwi, Sucipta Sucipta, Hendra Adhi Pratama, Deni Mustika, Kurnia Setiawan Widana, Susilo Widodo, Muhammad Burhannudinnur, Ildrem Syafri, Bronto Sutopo
Publikováno v:
Resources, Vol 13, Iss 1, p 2 (2023)
Radiometric mapping could play a prominent role in locating the host rock or alteration that leads to gold mineralization. Nevertheless, in low-sulfidation epithermal gold deposits, the radiometric signatures have to be priorly characterized due to t
Externí odkaz:
https://doaj.org/article/345092d1bee34c50988c1ca068d7443f
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 42, Iss 1, Pp 69-76 (2021)
Monazite is a mineral side product of tin processing, which mainly contains uranium (U), thorium (Th), rare earth elements (REE), and phosphate compounds (PO4). Besides these main elements, monazite also contains other metals such as aluminum (Al), i
Externí odkaz:
https://doaj.org/article/1c89d623b7f54d51939cf7ec02ec8b9f
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 40, Iss 1, Pp 11-18 (2019)
Tin slag II is a by-product of the second stage of tin smelting. The tin slag II contains high economic value elements in the form of radioactive elements (uranium and thorium) and rare earth elements. These elements can be utilized if they are separ
Externí odkaz:
https://doaj.org/article/d22c3cb16ad245efa31f61e2e6b74236
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 40, Iss 1, Pp 33-42 (2019)
Ella Ilir administratively located in Melawi Regency, West Kalimantan. Regional geology of Ella Ilir area is composed of metamorphic rocks in Triassic–Carboniferous age which are intruded by Jurassic and Cretaceous granitic rocks. Radioactive miner
Externí odkaz:
https://doaj.org/article/8ec50ae5764648c8bb5ec898f240fbff
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 39, Iss 1, Pp 17-26 (2018)
The thorium exploration in the last five years in the granite tin belt region is targeted at thorium availability in primary and secondary tin deposits. Singkep island is the part of granite tin belt which potential for thorium occurences either prim
Externí odkaz:
https://doaj.org/article/2ec9fb29c9ce40dca66b639980cda940
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 38, Iss 2, Pp 109-120 (2017)
Thorium (Th) is a radioactive metal that can be formed along with uranumand rare earth metals (REM). Minerals contain radioactive elements are monazite ((Ce,La,Y,U/Th)PO4), thorianite ((Th,U)O2), and thorite (ThSiO4). Mamuju Area is containing radioa
Externí odkaz:
https://doaj.org/article/23fcd1a2da244497ba5ba7345c615d66
Autor:
Kurnia Setiawan Widana, Bambang Priadi
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 36, Iss 1, Pp 1-16 (2015)
Geology of Bangka Island consists by variation of granite as Klabat Granitoid scattered in various locations. Trace elements can be applied in magmatism discrimination of granitoid.The purpose of this study was to determine the characteristics Bangka
Externí odkaz:
https://doaj.org/article/b24f8c6445984439b79ba5a4bc7b8e9b
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 35, Iss 2, Pp 69-84 (2014)
Thorium and uranium in Bangka Island are mainly found in monazite mineral. In the geological point of view the monazite formed in S type granite, sandstones and alluvial deposits. In Bangka Baratwhere several S types granite and also alluvial deposit
Externí odkaz:
https://doaj.org/article/16b3675952c940b19d0df862f23bcc0f
Publikováno v:
Eksplorium: Buletin Pusat Pengembangan Bahan Galian Nuklir, Vol 35, Iss 2, Pp 117-130 (2014)
This study was conducted based on the findings of radioactive minerals in the form of indication of relatively high radiation dose rate anomalies. The hypothesis underlying the existence of a high radiation dose rate is the deposition of uranium deri
Externí odkaz:
https://doaj.org/article/12b472fa0e7c4d79a3ce3e68f8183077