cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota bandung,
Jawa barat
INDONESIA
Buletin Sumber Daya Geologi
Published by Pusat Sumber Daya Mineral Batubara dan Panas Bumi
ISSN : 19075367     EISSN : 25801023     DOI : -
Core Subject : Science, Education, Social, Engineering,
Education Energy Engineering Environmental Science
uletin Sumber Daya Geologi merupakan Makalah berkala ilmiah terakreditasi LIPI bidang mineral, energi fosil, dan panas bumi. Makalah ini terbit tiga nomor dalam satu tahun pada bulan Mei, Agustus dan November. Pada Tahun 2010, Buletin Sumber Daya Geologi mendapat Akreditasi B sebagai majalah Berkala Ilmiah, kemudian akreditasi ulang Tahun 2012, dan akreditasi terbaru di Tahun 2015 untuk tiga tahun kedepan dengan nomor ISSN (print) : 1907-5367. Tahun 2017 Buletin Sumber Daya Geologi mendapatkan nomor eISSN : 2580 - 1023 untuk versi onlinenya.
Arjuna Subject : -
Articles 751 Documents
 72   73   74   75   76 
KARAKTERISASI BATUAN INDUK HIDROKARBON DAN RESERVOAR NONKONVENSIONAL DI CEKUNGAN JAWA TIMUR BAGIAN UTARA: CHARACTERIZATION OF HYDROCARBON SOURCE ROCKS AND UNCONVENTIONAL RESERVOIR IN THE NORTHERN EAST JAVA BASIN Airlangga, Feby; Irawati, Selvi Misnia; Wibowo, Andy Setyo; Handoyo, Handoyo
Buletin Sumber Daya Geologi Vol 19 No 3 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i3.435

Abstract

The northern East Java Basin is one of the hydrocarbon producing basins in Indonesia with a thick source rock layer and is interesting to study as a potential unconventional reservoir in the future. In this research, integration of well data analysis and seismic inversion is used to identify the characteristics of the source rock in the studied area. Well data analysis can provide lithological information from the source rocks bearing formations, namely shale of the Prupuh Formation, dominant shale of the Kranji Formation, and limestone of the Ngimbang Formation. In addition, log data can provide information on predicting Brittleness Index (BI) and Total Organic Carbon (TOC) values ​​in the target zone. The linear regression is used to propagate BI, porosity, and TOC on the seismic data. To assist the process of distributing TOC and BI values ​​on seismic parameters, Acoustic Impedance (AI) inversion was carried out by using a model based hard constraint method to predict the AI ​​distribution. The results of this study show that the target zone is a potential zone with a medium to potential category with a TOC distribution of 1.5%-2.2%, BI of 0.2-0.46, and porosity of 0.03-0.15. Moreover, seismic inversion data also helps the distribution of petrophysical parameters in good lateral conditions following the distribution of shale source rock horizons.
ANALISIS ALTERASI DAN MINERALISASI BERDASARKAN PENGAMATAN MEGASKOPIK DAN MIKROSKOPIK PADA DAERAH PROSPEK X KABUPATEN BOLAANG MONGONDOW, SULAWESI UTARA: ALTERATION AND MINERALIZATION ANALYSIS BASED ON OBSERVATION OF MEGASCOPIC AND MICROSCOPIC ON PROSPECT "X" IN BOLAANG MONGONDOW REGENCY AT NORTH SULAWESI Christi, Gita Dela; Sulistiyono, Sulistiyono; Handayani, Tatik; Widhiyatna, Denni
Buletin Sumber Daya Geologi Vol 19 No 1 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i1.436

Abstract

The North Arm of Sulawesi Island is a gold-rich metallogenic belt. The study area is located in Bakan Village, Bolaang Mongondow Regency, North Sulawesi in the IUP area of PT J Resources Bolaang Mongondow. Exploration to obtain new prospect areas is still being carried out. Therefore, research on alteration and mineralisation characteristics is expected to be a reference for the discovery of new prospects. The research was conducted by identifying surface and subsurface data megascopically and microscopically. Microscopic observations with petrography and mineragraphy. To obtain surface data, alteration observations, channel sampling and grab sampling were carried out, while subsurface data were obtained from core drilling. The purpose of the study was to determine the alteration, mineralisation, oxidation, and deposits type. The study area has lithologies of hydrothermal breccia, diatreme breccia, fault breccia, and tuff breccia. Alteration developed in the form of vuggy sillica, massive sillica, advanced argillic, and argillic. Mineralisation includes gold and silver and sulphide minerals such as pyrite, chalcopyrite, sphalerite, enargite, covellite, and oxide minerals such as goethite, jarosite and hematite. The epithermal high sulphidation deposit type was formed at medium depth, with oxide-type ore.
STUDI GEOLOGI DAN LITOFASIES UNTUK MENENTUKAN KUALITAS BATUGAMPING SEBAGAI BAHAN BAKU SEMEN PADA PT CEMINDO GEMILANG (DESA LEBAK TIPAR, KECAMATAN CILOGRANG, KABUPATEN LEBAK, PROVINSI BANTEN): GEOLOGY AND LITHOFACIES STUDIES TO DETERMINE THE QUALITY OF LIMESTONE AS A RAW MATERIAL FOR CEMENT AT PT CEMINDO GEMILANG (LEBAK TIPAR VILLAGE, CILOGRANG DISTRICT, LEBAK REGENCY, BANTEN PROVINCE) Ardi Darmawan, Muh. Nanda; Rinal Khaidar Ali; Wahyu Budhi Khorniawan
Buletin Sumber Daya Geologi Vol 19 No 1 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i1.446

Abstract

Cement factory PT. Cemindo Gemilang which is located in Lebak city, has done many exploration activities which in this area also has the potential for limestone resources. Basically, the research area has a quite large potential for limestone and never been mined before. Therefore this research can help to determine the geological condition in the research area including geomorphology, lithology, and geological structure as well as determining prospect zones regarding the distribution of good quality according on modeling's results which can later be done for mining activities. The research location is in Lebak Tipar Village, Cilograng District, Lebak City, Banten Province. The methods used are geological mapping, petrographic analysis, and geochemical analysis and the modeling is done based on the Inverse Distance Weghting (IDW)Method. The results of the research show that the research area is composed of four lithologies from the youngest to the oldest are sandstone, limestone, mudstone(Citarate Formation) and mudstone(Cijengkol Formation) with a developed structure whic is shown with the indications of broken fractures. Based on the petrographic analysis that has been done, the research area is divided into four lithofacies, namely wackestone, packstone, and grainstone which show good quality with high CaO levels of around >50%, while the mudstone lithofacies has poor quality because it has low CaO levels of around <50%. Based on analysis of surface and subsurface samples, it shows that in the research area the good quality limestone is predominantly in the central to western part of the plot while the poor quality limestone is found in the eastern part of the plot.
KARAKTERISASI MINERALISASI TEMBAGA-EMAS BERDASARKAN GEOKIMIA MULTIUNSUR DENGAN METODE K-MEANS DAN ANALISIS KOMPONEN UTAMA, TOGURACI, INDONESIA: CHARACTERIZATION OF COPPER-GOLD MINERALIZATION BASED ON MULTIELEMENT GEOCHEMISTRY WITH K-MEANS AND PRINCIPAL COMPONENT ANALYSIS METHODS, TOGURACI, INDONESIA irwanda, Dharma; Mega F Rosana; Johanes Hutabarat
Buletin Sumber Daya Geologi Vol 19 No 2 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i2.466

Abstract

Multielement geochemical data processing with K-means and principal component analysis was carried out in the Toguraci, part of the Gosowong gold mine contract of work in North Halmahera Regency, North Maluku Province. Previous research has suggested that there is overprinting low sulphidation epithermal Au-Ag mineralization and Cu-Au porphyry. This research focused on 2 selected drill holes with a total of 540 samples that were analyzed for Au and 46 other geochemical elements. The purpose of this research is to determine the characteristics of the copper-gold mineralization, and its host rock with multielement geochemical analysis, in order to provide a guide for exploration activities. Multielement geochemical data processing with K-means produced 3 lithogeochemical clusters based on their immobile element composition, namely basalt and diorite which are the host rocks, and quartz vein. Principal component analysis shows consistent results for the 3 clusters, where the combination of PC1 and PC2 which cumulatively represented 46,32% of the variance, indicates high and low loading scores describing the association of immobile elements that separates basalt, diorite and quartz vein. Data simplification with 7 principal components (P1-PC7) representing 73,62% of the variance has produced 6 geological domains which have their respective geochemical characteristics, namely Quartz vein, Basalt-1, Basalt-2, Diorite-1, Diorite-2, and Diorite-3. Copper mineralization is found in Basalt-1 and Diorite-1 related to porphyry type that has characteristics of Mo-Cu-Re-Ge-Au elemental association. While gold mineralization is found in the Quartz vein domain related to low sulphidation epithermal type which is characterized by Ag-Sb-Te-Au-Tl-Bi-As-Pb-Se-In elemental association.
ASAL USUL FLUIDA MANIFESTASI PANAS BUMI DAN ESTIMASI TEMPERATUR RESERVOIR DENGAN PENDEKATAN ANALISIS ISOTOP PADA DAERAH DANAU RANAU, OGAN KOMERING ULU (OKU) SELATAN, SUMATERA SELATAN: ORIGIN OF GEOTHERMAL MANIFESTATION FLUID AND DETERMINATION OF RESERVOIR TEMPERATURE USING ISOTOPE ANALYSIS APPROACH IN THE LAKE RANAU AREA, SOUTH OGAN KOMERING ULU (OKU), SOUTH SUMATERA Ibrahim, Mochamad Malik; Harnani, Harnani; Jati, Stevanus Nalendra; Abiyyu, Rayhan Khairunnan
Buletin Sumber Daya Geologi Vol 19 No 3 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i3.467

Abstract

The geothermal potential of the Lake Ranau area comes from the remains of magmatic activity from Mount Seminung. The geothermal manifestation in this area is in the form of hot springs which are thought to arise through geological structures. The existence of geothermal fluid manifestations is very interesting to research, especially regarding the origin and estimation of reservoir temperature using the δ18O and δ2H isotope composition approach. It is important to know the origin of fluid manifestations to determine the potential of geothermal systems from surface manifestations fluid related to magmatic, evaporation or rock interactions. This research method uses isotope analysis to determine the origin of geothermal fluid manifestations and isotope geothermometer to estimate reservoir temperature. Isotope sampling in geothermal manifestation fluids in Kota Batu Village was 3 samples and Lombok Village was 3 samples. The results of isotope analysis on the relationship graph between δ18O and δ2H show that all isotope samples in geothermal manifestation fluids come from meteoric water. The local meteoric water line value equation has a difference in the deuterium excess (DE) value compared to the global meteoric water line value equation. This change in DE value is due to the interaction and mixing process between geothermal fluid and rock (connate water) with the source of evaporation and precipitation from Lake Ranau. The results of isotope geothermometer calculations based on the isotope fractionation factor, it is estimated that the reservoir temperature is around ± 270 0C. Reservoir temperature estimates show that all isotope samples in geothermal manifestation fluids are classified as high temperatures.
IDENTIFIKASI KANDUNGAN LITIUM PADA BATUAN FILIT KOMPLEKS LUK ULO, JAWA TENGAH: LITHIUM IDENTIFICATION ON PHYLLITE FROM THE LUK ULO COMPLEX, CENTRAL JAVA Isyqi; Setiawan, Nugroho Imam; Anggara, Ferian
Buletin Sumber Daya Geologi Vol 19 No 2 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i2.470

Abstract

Production of lithium-ion batteries in Indonesia will be more feasible if Indonesia has its own lithium resources. Metapelitic rocks have the potential to serve as an alternate raw material for lithium. Phyllite, a type of metapelitic rock, was found in the Luk Ulo Complex, Central Java. The objective of this study is to determine the mineral composition and lithium concentration of the phyllite rocks from the Luk Ulo Complex. This will serve as a representative model for understanding the occurrence of lithium in similar rock types. The techniques employed to accomplish this objective include field surveys, petrographic, XRD, and ICP-AES/MS analysis. Phyllite in the Luk Ulo Complex is found in several locations and exhibits well-developed schistosity, characterized by a predominant mineral composition of quartz, graphite, chlorite, and white mica. The concentration of lithium in the phyllite from the Luk Ulo Complex exceeds the average concentration of lithium in the earth's crust, which typically ranges from 18.2 to 84.7 ppm. The presence of lithium in the phyllite rock is believed to be associated with the white mica minerals in the rock because the principal component analysis reveals a significant correlation between the lithium level in phyllite and the major elements K2O, CaO, Na2O, MgO, and Al2O3, which are responsible for the formation of the white mica. The phyllite rocks in the Luk Ulo Complex have a lithium enrichment that is five times more than the concentration of lithium in the earth's crust. It is believed that this enrichment is generated from the protoliths of the phyllite rocks, which are pelitic sedimentary rocks of continental origin. The presence of lithium in the phyllite rocks of the Luk Ulo Complex makes them suitable as lithium sources. However, due to their location within the Karangsambung Geological Reserve Area, these rocks are not to be exploited.
KETERDAPATAN DAN GENESA CEBAKAN BIJIH BESI DAERAH KAPAYANG, KABUPATEN TANAH BUMBU, KALIMANTAN SELATAN: THE OCCURENCES AND GENETIC OF IRON ORE DEPOSITS IN KAPAYANG, TANAH BUMBU REGENCY, SOUTH KALIMANTAN Pardiarto, Bambang; Bambang; Wahyu Widodo
Buletin Sumber Daya Geologi Vol 19 No 1 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i1.471

Abstract

The occurences of iron mineralisation in upper part of Kusan River, Kapayang, Regency of Tanah Bumbu are still indicative and required more research to reveal the characteristic and potency of iron ore deposits. The research was conducted with reconnaissance survey using methode of geological mapping, sampling of rock, iron ore, lateritic soil, and panning concentrate of crushed ore material. The laboratory analyses involve petrographic, mineragraphic, grain mineralogy and geochemical assay. Iron ore in the research area consist of two deposit type are primary iron and lateritic iron. The genetic is related to procces of magmatism, metamorphism/metasomatic and hydrothermal. The primary iron ore mineral in altered dunite and gneiss-schist rocks are dominated by magnetite and hematite, some chromite and garnet. While in lateritic iron as resulted from weathering of pyroxenite-peridotite rock consist of hematite magnetite and goetit. Potency of exploration target of lateritic iron is 158,264 wmt and the grade of Fetot ranging from 49.45 to 54.89%. Grid soil geochemical exploration is suggested for follow up work using hand auger to collect soil sample in laterisation zone to obtain more optimize reource potency.
ALTERASI DAN MINERALISASI PADA DAERAH SUB-PROJECT S, BLOK A, PT SUMBAWA BARAT MINERAL, KABUPATEN SUMBAWA BARAT, PROVINSI NUSA TENGGARA BARAT: ALTERATION AND MINERALIZATION IN SUB-PROJECT S AREA, BLOCK A, PT SUMBAWA BARAT MINERAL, WEST SUMBAWA DISTRICT, WEST NUSA TENGGARA PROVINCE Nugroho, Ariel Dwiyanto; Shiddiq, Asep Mohamad I; S. J. Suprapto; Handayani, Tatik; Sahidin
Buletin Sumber Daya Geologi Vol 19 No 3 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i3.474

Abstract

The research area is located in the Mining Business License (IUP) owned by PT Sumbawa Barat Mineral located in Taliwang, West Sumbawa, West Nusa Tenggara, located on the Sunda-Banda Arc magmatic line which shows the potential for metal mineralization resulting from hydrothermal activity in the research area, the potential for mineralization spread in the research area is epithermal type. This research aims to determine the alteration, mineralization and type of depositethat develops in the research area. The methods used in this research are geological mapping with grid mapping method and grab sampling, XRF analysis by looking for elemental content, petrography analysis to determine the texture and structure of rocks and minerals, mineragraphy analysis to determine the kind of metallic minerals, and XRD analysis to identify alteration minerals in more detail. The results of this research show the presence of propylitic, argillic, advanced argillic, and silicified alteration. With mineralization of silver, copper, lead, zinc, arsenic, and manganese with the presence of covellite minerals, and dickite, the mineralization type of the research area is intermediate depth high sulfidation epithermal type.
SEBARAN UNSUR DAN ASOSIASI UNSUR Fe LATERIT BESI DAERAH BLOK X, PT SILO, PULAU SEBUKU, KALIMANTAN SELATAN: ELEMENTAL DISTRIBUTION ANALYSIS AND ELEMENTAL ASSOCIATION OF Fe LATERITC IRON, BLOCK X AREA, PT SILO, SEBUKU ISLAND, SOUTH KALIMANTAN Andri B Situmorang; Situmorang, Andri B; Suprapto, Sabtanto Joko; W, A. Djumarma; Widhiyatna, Denni; Mutia, Sarah; Cahyadi, Andhi
Buletin Sumber Daya Geologi Vol 19 No 1 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i1.475

Abstract

The study area is located in Blok X, PT SILO, Sebuku Island, South Kalimantan. The geology of the study area is dominated by serpentinized ultramafic rocks, which have a high potential for the formation of lateritic iron minerals. The aim of the investigation of the area was to determine the vertical and horizontal distribution of the element contents and the association of the iron elements. Drilling, sample analyses using XRF, petrography and statistical analyses of correlation matrices and dendrograms were carried out. Fe, Ni, P, Co, Si, Mg, Cr, Al, Mn, Ca, Na, K and Ti were analyzed in 5.150 samples using the XRF method. The high iron content is found in the red limonite zone with 40-55% and in the yellow limonite zone with 40-52%. The lithology of the area with high iron content is ophiolitic ultramafic rock. In the vertical distribution profile, the high iron content is also found in the red limonite - yellow limonite zone. Based on the dendrogram analysis and the correlation matrix, the correlation of the Fe elements in the study area shows that the Fe elements are strongly correlated with the Co, Cr and Mn elements and generally with the Ni elements. Elemental iron is strongly negatively correlated with the elements Si and Mg.
GEOLOGI, MINERALOGI, DAN GEOKIMIA ENDAPAN BAUKSIT LATERIT DI DESA MUKTI JAYA, KABUPATEN SANGGAU, KALIMANTAN BARAT: GEOLOGY, MINERALOGICAL, AND GEOCHEMICAL LATERITE BAUXITE DEPOSITS IN MUKTI JAYA VILLAGE, SANGGAU DISTRICT, WEST KALIMANTAN Permatasari, Aisha; Sabtanto Joko Suprapto; Priatna; Tatik Handayani; Dedi Sunjaya
Buletin Sumber Daya Geologi Vol 19 No 2 (2024): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v19i2.477

Abstract

The geology of West Kalimantan, especially Sanggau Regency, contains a wide range of acidic to intermediate rocks of Lower Cretaceous age with stable tectonic conditions that meet the requirements for the formation of bauxite on an economical scale. The research area is in Mukti Jaya Village, Sanggau Regency, West Kalimantan Province. This research aims to determine the geology, mineralogical, and geochemical characteristics of bauxite deposits. The research methodology includes geological mapping, test pits, and laboratory analysis using XRF, A total of 390 bauxite samples were analyzed by XRF, 5 bauxite samples were analyzed by XRD, 4 bedrock samples and 2 bauxite samples were analyzed petrographically, and 2 bauxite concretion samples were analyzed mineragraphically. Based on the results of geological mapping, granodirite, quartz diorite and tonalite rocks were found. Bauxite is composed of the minerals quartz, gibbsite, kaolinite, hematite, biotite, boehmite, goethite, diaspor, muscovite, plagioclase, chlorite, and magnetite. From the results of XRF analysis content obtained 16.63% – 52.56% Al2O3; 14.5% – 66.69% TSiO2; 0.47% – 10.2% RSiO2; and 3.56% – 32.92% Fe2O3. The results of the correlation analysis showed a very strong and negatively correlated level of relationship between Al2O3 and TSiO2, as well as a very low level of relationship between Al2O3 and RSiO2. From the results of the regression analysis, it was found that TSiO2 had an effect on Al2O3 and RSiO2 had no effect on Al2O3.

Page 74 of 76 | Total Record : 751

 72   73   74   75   76 

Filter by Year

2006 2025


Reset
Filter By Issues
All Issue Vol 20 No 3 (2025): Buletin Sumber Daya Geologi Vol 20 No 2 (2025): Buletin Sumber Daya Geologi Vol 20 No 1 (2025): Buletin Sumber Daya Geologi Vol 19 No 3 (2024): Buletin Sumber Daya Geologi Vol 19 No 2 (2024): Buletin Sumber Daya Geologi Vol 19 No 1 (2024): Buletin Sumber Daya Geologi Vol. 18 No. 3 (2023): Buletin Sumber Daya Geologi Vol 18 No 3 (2023): Buletin Sumber Daya Geologi Vol 18 No 2 (2023): Buletin Sumber Daya Geologi Vol. 18 No. 2 (2023): Buletin Sumber Daya Geologi Vol. 18 No. 1 (2023): Buletin Sumber Daya Geologi Vol. 17 No. 3 (2022): Buletin Sumber Daya Geologi Vol. 17 No. 2 (2022): Buletin Sumber Daya Geologi Vol. 17 No. 1 (2022): Buletin Sumber Daya Geologi Vol. 16 No. 3 (2021): Buletin Sumber Daya Geologi Vol. 16 No. 2 (2021): Buletin Sumber Daya Geologi Vol. 16 No. 1 (2021): Buletin Sumber Daya Geologi Vol. 15 No. 3 (2020): Buletin Sumber Daya Geologi Vol. 15 No. 2 (2020): Buletin Sumber Daya Geologi Vol. 15 No. 1 (2020): Buletin Sumber Daya Geologi Vol 15 No 1 (2020): Buletin Sumber Daya Geologi Vol 14, No 3 (2019): Buletin Sumber Daya Geologi Vol. 14 No. 3 (2019): Buletin Sumber Daya Geologi Vol. 14 No. 2 (2019): Buletin Sumber Daya Geologi Vol 14, No 2 (2019): Buletin Sumber Daya Geologi Vol. 14 No. 1 (2019): Buletin Sumber Daya Geologi Vol 14, No 1 (2019): Buletin Sumber Daya Geologi Vol 13 No 3 (2018): Buletin Sumber Daya Geologi Vol 13, No 3 (2018): Buletin Sumber Daya Geologi Vol. 13 No. 3 (2018): Buletin Sumber Daya Geologi Vol. 13 No. 2 (2018): Buletin Sumber Daya Geologi Vol 13 No 2 (2018): Buletin Sumber Daya Geologi Vol 13, No 2 (2018): Buletin Sumber Daya Geologi Vol 13, No 1 (2018): Buletin Sumber Daya Geologi Vol. 13 No. 1 (2018): Buletin Sumber Daya Geologi Vol 13 No 1 (2018): Buletin Sumber Daya Geologi Vol 12, No 3 (2017): Buletin Sumber Daya Geologi Vol. 12 No. 3 (2017): Buletin Sumber Daya Geologi Vol 12 No 3 (2017): Buletin Sumber Daya Geologi Vol 12, No 2 (2017): Buletin Sumber Daya Geologi Vol. 12 No. 2 (2017): Buletin Sumber Daya Geologi Vol 12 No 2 (2017): Buletin Sumber Daya Geologi Vol 12, No 1 (2017): Buletin Sumber Daya Geologi Vol. 12 No. 1 (2017): Buletin Sumber Daya Geologi Vol 12 No 1 (2017): Buletin Sumber Daya Geologi Vol. 11 No. 3 (2016): Buletin Sumber Daya Geologi Vol 11 No 3 (2016): Buletin Sumber Daya Geologi Vol 11, No 3 (2016): Buletin Sumber Daya Geologi Vol. 11 No. 2 (2016): Buletin Sumber Daya Geologi Vol 11 No 2 (2016): Buletin Sumber Daya Geologi Vol 11, No 2 (2016): Buletin Sumber Daya Geologi Vol. 11 No. 1 (2016): Buletin Sumber Daya Geologi Vol 11 No 1 (2016): Buletin Sumber Daya Geologi Vol 11, No 1 (2016): Buletin Sumber Daya Geologi Vol 10, No 3 (2015): Buletin Sumber Daya Geologi Vol. 10 No. 3 (2015): Buletin Sumber Daya Geologi Vol 10 No 3 (2015): Buletin Sumber Daya Geologi Vol. 10 No. 2 (2015): Buletin Sumber Daya Geologi Vol 10 No 2 (2015): Buletin Sumber Daya Geologi Vol 10, No 2 (2015): Buletin Sumber Daya Geologi Vol. 10 No. 1 (2015): Buletin Sumber Daya Geologi Vol 10 No 1 (2015): Buletin Sumber Daya Geologi Vol 10, No 1 (2015): Buletin Sumber Daya Geologi Vol 10, No 1 (2015): Buletin Sumber Daya Geologi Vol 9, No 3 (2014): Buletin Sumber Daya Geologi Vol. 9 No. 3 (2014): Buletin Sumber Daya Geologi Vol 9 No 3 (2014): Buletin Sumber Daya Geologi Vol 9, No 2 (2014): Buletin Sumber Daya Geologi Vol. 9 No. 2 (2014): Buletin Sumber Daya Geologi Vol 9 No 2 (2014): Buletin Sumber Daya Geologi Vol 9, No 1 (2014): Buletin Sumber Daya Geologi Vol. 9 No. 1 (2014): Buletin Sumber Daya Geologi Vol 9 No 1 (2014): Buletin Sumber Daya Geologi Vol. 8 No. 3 (2013): Buletin Sumber Daya Geologi Vol 8 No 3 (2013): Buletin Sumber Daya Geologi Vol 8, No 3 (2013): Buletin Sumber Daya Geologi Vol 8, No 2 (2013): Buletin Sumber Daya Geologi Vol. 8 No. 2 (2013): Buletin Sumber Daya Geologi Vol 8 No 2 (2013): Buletin Sumber Daya Geologi Vol. 8 No. 1 (2013): Buletin Sumber Daya Geologi Vol 8 No 1 (2013): Buletin Sumber Daya Geologi Vol 8, No 1 (2013): Buletin Sumber Daya Geologi Vol 7, No 3 (2012): Buletin Sumber Daya Geologi Vol. 7 No. 3 (2012): Buletin Sumber Daya Geologi Vol 7 No 3 (2012): Buletin Sumber Daya Geologi Vol. 7 No. 2 (2012): Buletin Sumber Daya Geologi Vol 7 No 2 (2012): Buletin Sumber Daya Geologi Vol 7, No 2 (2012): Buletin Sumber Daya Geologi Vol 7, No 1 (2012): Buletin Sumber Daya Geologi Vol. 7 No. 1 (2012): Buletin Sumber Daya Geologi Vol 7 No 1 (2012): Buletin Sumber Daya Geologi Vol 6, No 3 (2011): Buletin Sumber Daya Geologi Vol. 6 No. 3 (2011): Buletin Sumber Daya Geologi Vol 6 No 3 (2011): Buletin Sumber Daya Geologi Vol 6, No 2 (2011): Buletin Sumber Daya Geologi Vol. 6 No. 2 (2011): Buletin Sumber Daya Geologi Vol 6 No 2 (2011): Buletin Sumber Daya Geologi Vol 6, No 1 (2011): Buletin Sumber Daya Geologi Vol. 6 No. 1 (2011): Buletin Sumber Daya Geologi Vol 6 No 1 (2011): Buletin Sumber Daya Geologi Vol 5, No 3 (2010): Buletin Sumber Daya Geologi Vol. 5 No. 3 (2010): Buletin Sumber Daya Geologi Vol 5 No 3 (2010): Buletin Sumber Daya Geologi Vol 5, No 2 (2010): Buletin Sumber Daya Geologi Vol. 5 No. 2 (2010): Buletin Sumber Daya Geologi Vol 5 No 2 (2010): Buletin Sumber Daya Geologi Vol. 5 No. 1 (2010): Buletin Sumber Daya Geologi Vol 5, No 1 (2010): Buletin Sumber Daya Geologi Vol 5 No 1 (2010): Buletin Sumber Daya Geologi Vol 4, No 3 (2009): Buletin Sumber Daya Geologi Vol. 4 No. 3 (2009): Buletin Sumber Daya Geologi Vol 4 No 3 (2009): Buletin Sumber Daya Geologi Vol 4, No 2 (2009): Buletin Sumber Daya Geologi Vol. 4 No. 2 (2009): Buletin Sumber Daya Geologi Vol 4 No 2 (2009): Buletin Sumber Daya Geologi Vol 4, No 1 (2009): Buletin Sumber Daya Geologi Vol. 4 No. 1 (2009): Buletin Sumber Daya Geologi Vol 4 No 1 (2009): Buletin Sumber Daya Geologi Vol. 3 No. 3 (2008): Buletin Sumber Daya Geologi Vol 3 No 3 (2008): Buletin Sumber Daya Geologi Vol 3, No 3 (2008): Buletin Sumber Daya Geologi Vol 3, No 2 (2008): Buletin Sumber Daya Geologi Vol. 3 No. 2 (2008): Buletin Sumber Daya Geologi Vol 3 No 2 (2008): Buletin Sumber Daya Geologi Vol 3, No 1 (2008): Buletin Sumber Daya Geologi Vol. 3 No. 1 (2008): Buletin Sumber Daya Geologi Vol 3 No 1 (2008): Buletin Sumber Daya Geologi Vol. 2 No. 3 (2007): Buletin Sumber Daya Geologi Vol 2 No 3 (2007): Buletin Sumber Daya Geologi Vol 2, No 3 (2007): Buletin Sumber Daya Geologi Vol 2, No 2 (2007): Buletin Sumber Daya Geologi Vol. 2 No. 2 (2007): Buletin Sumber Daya Geologi Vol 2 No 2 (2007): Buletin Sumber Daya Geologi Vol. 2 No. 1 (2007): Buletin Sumber Daya Geologi Vol 2 No 1 (2007): Buletin Sumber Daya Geologi Vol 2, No 1 (2007): Buletin Sumber Daya Geologi Vol 1, No 1 (2006): Buletin Sumber Daya Geologi Vol. 1 No. 1 (2006): Buletin Sumber Daya Geologi Vol 1 No 1 (2006): Buletin Sumber Daya Geologi More Issue