Academic literature on the topic 'Grasberg'

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Journal articles on the topic "Grasberg"

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Iswandaru, Iswandaru, Rully Nurhasan R., Made Astawa Rai, and Ridho K. Wattimena. "Probabilistic Of Slope Failure Grasberg Open Pit Mining PT Freeport Indonesia." PROMINE 7, no. 1 (2019): 01–07. http://dx.doi.org/10.33019/promine.v7i1.1064.

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The stability of a slope in mining activities is highly influenced by geology, especially thenature of rocks and geological structures. Slope stability analysis will be faced with severalproblems in the uncertainty of rock properties and rock mass. Slope stability analysis usingprobabilistic methods offers a more systematic way of treating conditions of uncertainty andprovides other alternatives to the value factor approach to security regarding information onthe probability of a slope failure.Grasberg Open Mine rock type classification based ongeotechnical parameters or Geotechnical Rock Code
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Aruan, Quinerita Stevani, and Mahendra Fakhri. "PENGARUH LINGKUNGAN KERJA TERHADAP KEPUASAN KERJA KARYAWAN LAPANGAN DEPARTEMEN GRASBERG." MODUS 27, no. 2 (2016): 141. http://dx.doi.org/10.24002/modus.v27i2.553.

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The competition in business world demands a company to improve its performance. The work environment became a necessity for employees. The company’s eforts in fulflling the needs are the improvement of the physical work environment and the non-physical work environment in the company. PT. Freeport itself has realized that the company’s success depends on the contribution of each employee. In order to do so, Freeport is committed to achieving excellence which includes necessity and satisfaction of each employee.The purpose of this research is to understand the representation of work enviro
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Ernowo, Ernowo, Bambang Pardiarto, and Dwi Nugroho Sunuhadi. "GEOKIMIA BIJIH DAN KONSENTRAT DARI CEBAKAN TEMBAGA-EMAS PORFIRI GRASBERG, TEMBAGAPURA." Buletin Sumber Daya Geologi 14, no. 1 (2019): 49–64. http://dx.doi.org/10.47599/bsdg.v14i1.243.

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Cebakan porfiri merupakan salah satu tipe cebakan hidrotermal yang proses pembentukannya berkaitan dengan intrusi porfiritik dengan kontrol struktur geologi yang dominan. Mineralisasi utama terjadi pada zona ubahan potasik berupa mineral-mineral sulfida yang terendapkan secara tersebar atau dalam urat-urat stockwork dan breksi hidrotermal dengan Cu sebagai kandungan logam paling dominan. Selain Cu, Au, Mo dan Ag yang sudah umum diekstrak, cebakan tipe porfiri juga mengandung unsur-unsur ikutan yang dapat bernilai ekonomis. Penelitian ini dilakukan untuk mengetahui kandungan unsur-unsur logam d
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Wamafma, Sonya, and Pratita Puradjatmika. "Inventarisasi Mezofauna di Daerah Reklamasi PT. Freeport Indonesia, Timika–Papua." JURNAL BIOLOGI PAPUA 1, no. 2 (2018): 43–50. http://dx.doi.org/10.31957/jbp.571.

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This study was conducted to identify the mesofauna inhabiting the reclamation area (Grasberg) and the natural succession (Ertsberg), to observe the development of mesofauna and to know the species compotition in the given area. Research method was pitfall trap that set up in reclamation area, natural succession and in control area. The result revealed that mesofauna in reclamation area were dominated by the family Isotomidae and Neelidae (Ordo Collembola) with the relative dominancy value 23,90% and 24,37% respectively, the presence or relative frequency 9,23% and 9,23%, and relative density v
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Cahyadi, Tedy Agung, Lilik Eko Widodo, Zuher Syihab, Sudarto Notosiswoyo, and Eman Widijanto. "Hydraulic Conductivity Modeling of Fractured Rock at Grasberg Surface Mine, Papua-Indonesia." Journal of Engineering and Technological Sciences 49, no. 1 (2017): 37–56. http://dx.doi.org/10.5614/j.eng.technol.sci.2017.49.1.3.

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Budiman, Jaka Satria, I. Gde Basten, Hendri Silaen, Rahardian Ryan Ruthman, Fari Fathiardi Putra, and Kinkin Sulaeman. "DISTRIBUTION OF SULFATE WATER IN GRASBERG BLOCK CAVE (GBC) MINE, PAPUA, INDONESIA." RISET Geologi dan Pertambangan 27, no. 1 (2017): 77. http://dx.doi.org/10.14203/risetgeotam2017.v27.440.

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Grasberg Block Cave (GBC) underground mine, which is operated by PT Freeport Indonesia, located at High Land of Papua which has intensity of rainfall (average 4000 mm/year) and causing water inflow through the fractured rock, and flowing inside the underground mine. The water occurrence inside the underground mine could be in seepage form and water flow from diamond drilling hole. Water seepage inside underground mine contain many chemical compounds such as sulfate (SO42-). Sulfate has ability to cause acid water and sulfate attack, which can be a problem for ground support existing. Water fro
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Sirait, J., L. C. Prasetyo, and N. Prasetiyo. "Geology Controls Grade Variance at Grasberg Cu-Au Porphyry Deposit, Papua-Indonesia." Journal of Physics: Conference Series 1363 (November 2019): 012037. http://dx.doi.org/10.1088/1742-6596/1363/1/012037.

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MacDonald, George D., and L. Clark Arnold. "Geological and geochemical zoning of the Grasberg Igneous Complex, Irian Jaya, Indonesia." Journal of Geochemical Exploration 50, no. 1-3 (1994): 143–78. http://dx.doi.org/10.1016/0375-6742(94)90023-x.

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Sulistyo, Rafiq, Alibasjah Soedjarno, and Togar M. Simatupang. "Operations Strategy Formulation: Shifting From Grasberg Open-Pit Surface Mining To Underground Mining." International Research Journal of Business Studies 4, no. 1 (2011): 21–48. http://dx.doi.org/10.21632/irjbs.4.1.21-48.

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Andrina, Judy, G. W. Wilson, Stuart Miller, and Andrew Neale. "PERFORMANCE OF THE ACID ROCK DRAINAGE MITIGATION WASTE ROCK TRIAL DUMP AT GRASBERG MINE." Journal American Society of Mining and Reclamation 2006, no. 2 (2006): 30–44. http://dx.doi.org/10.21000/jasmr06020030.

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Dissertations / Theses on the topic "Grasberg"

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Alos, Nathalie. "Etude des récepteurs iléaux de la vitamine B12 : à propos d'une observation familiale de la maladie d'Immerslund-Gräsbeck." Bordeaux 2, 1991. http://www.theses.fr/1991BOR23073.

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Aimone-Gastin, Isabelle. "Contribution à l'étude du métabolisme des cobalamines et des acides gras en pathologie digestive." Nancy 1, 1996. http://www.theses.fr/1996NAN10376.

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Trautman, Marin Cherise. "Hidden intrusions and molybdenite mineralization beneath the Kucing Liar Skarn, Ertsberg-Grasberg Mining District, Papua, Indonesia." 2013. http://hdl.handle.net/2152/21903.

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The Ertsberg-Grasberg Mining District of Papua, Indonesia (Western New Guinea) hosts the Ertsberg Cu-Au Skarn, the giant Grasberg Porphyry Cu-Au deposit, and several other orebodies. Two 1700-meter-long cores beneath the Kucing Liar ore skarn (KL98-10-22) and the Grasberg Igneous Complex (KL98-10-21) contain high concentrations of vein and disseminated molybdenite. KL98-10-22, the focus of this study, intersects two previously unencountered intrusions, the “Tertiary intrusion Kucing Liar” (Tikl) and “Tertiary Pliocene intrusion” (Tpi). An intense dilatational quartz vein stockwork cuts Tikl
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Cocker, Helen Amy. "Platinum group elements: indicators of sulfide saturation in intermediate to felsic magmatic systems and implications for porphyry deposit formation." Phd thesis, 2016. http://hdl.handle.net/1885/116126.

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Sulfide saturation during the magmatic evolution of porphyry systems is emerging as an important control on the fertility of magmas with respect to the chalcophile elements. Platinum group elements (PGE) have extreme sulfide melt-silicate melt partition coefficients that make them sensitive indicators of the timing of sulfide saturation in evolving magmatic systems. This study reports PGE and Re concentrations, measured using a NiS fire assay isotope dilution technique, of three igneous suites: 1) the El Abra porphyry Cu deposit, Chile; 2) the Grasberg-E
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Books on the topic "Grasberg"

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Mahler, Armando. Dari Grasberg sampai Amamapare. PT Freeport Indonesia, 2008.

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Mahler, Armando. Dari Grasberg sampai Amamapare. Gramedia Pustaka Utama, 2008.

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Mahler, Armando. Dari Grasberg sampai Amamapare. PT Freeport Indonesia, 2008.

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Mahler, Armando. Dari Grasberg sampai Amamapare. Freeport Indonesia, 2008.

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Indonesia, Inc Grup Geologi dan Geoteknik-Hidrogeologi Tambang Grasberg Freeport. Geologi dan geoteknik Tambang Terbuka Grasberg. PT Freeport Indonesia, 2013.

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Grasberg: Mining the richest and most remote deposit of copper and gold in the world, in the mountains of Irian Jaya, Indonesia. Freeport-McMoRan Copper & Gold, 1996.

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Danny, Kennedy, Chatterjee Pratap, Moody Roger, and Project Underground, eds. Risky business: The Grasberg gold mine : an independent annual report on P.T. Freeport Indonesia, 1998. Project Underground, c c1998., 1998.

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Mealey, George A. Grasberg: Mining the Richest and Most Remote Deposit of Copper and Gold in the World, in the Mountains of Irian Jaya, Indonesia. Freeport-McMoran Copper & Gold, 1996.

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Book chapters on the topic "Grasberg"

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Leys, Clyde, Adam Schwarz, Mark Cloos, Sugeng Widodo, J. Richard Kyle, and Julius Sirait. "Chapter 29: Grasberg Copper-Gold-(Molybdenum) Deposit: Product of Two Overlapping Porphyry Systems." In Geology of the World’s Major Gold Deposits and Provinces. Society of Economic Geologists, 2020. http://dx.doi.org/10.5382/sp.23.29.

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Abstract The supergiant Grasberg porphyry deposit in Papua, Indonesia (5.26 Gt @ 0.61% Cu and 0.57 g/t Au, with no cutoff applied) is hosted by the Grasberg Igneous Complex that fills an upward-flared diatreme ~1,800 m wide at the 4,250-m surface elevation. The Grasberg Igneous Complex is emplaced into folded and strike-slip faulted Tertiary and older sediments and comprises 3.6 to 3.3 Ma Dalam monzodiorite intrusions and subordinate volcanic rocks occupying much of the pipe, the central 3.2 Ma Main Grasberg intrusion, and the NW-SE-trending 3.2 to 3.0 Ma Kali dikes. The Grasberg Igneous Complex contains two porphyry systems: Gajah Tidur copper-(molybdenum) and Main Grasberg copper-gold. The Gajah Tidur intrusion belongs to the Dalam igneous group and is a 3.4 Ma porphyritic monzonite with its top at a 2,750-m elevation; it is overprinted by an extensive, domal, quartz stockwork, with a low-grade and intensely phyllic-altered core, surrounded by molybdenite-bearing veins, with a pre-Main Grasberg Re-Os age, as well as chalcopyrite and overprinting pyrite-covellite veins. The strongly potassic-altered, Main Grasberg monzodiorite porphyry extends from surface to the 2,700-m elevation and is overprinted by a cylindrical, ~1-km-diameter, intense quartz-magnetite stockwork cut by abundant chalcopyrite-bornite veins with rare molybdenite dated at 3.09 Ma. A 700-m-wide annulus of chalcopyrite overprinted by pyrite-covellite-mineralized phyllic alteration surrounds the stockwork. Altered and mineralized Main Grasberg and surrounding Dalam rocks were subsequently wedged apart by the largely unmineralized Kali dikes. Gold is predominantly associated with the Main Grasberg porphyry system where it occurs as 1- to 150-µm (avg ~15 µm) native gold inclusions within chalcopyrite and bornite. Melt and fluid inclusions from Main Grasberg stockwork quartz veins, which exhibit crack-seal textures, comprise K-feldspar-rich silicate melt, sulfide melt, virtually water-free salt melt, and coexisting hypersaline and vapor-rich fluids. Factors important in forming the Grasberg deposit include the following: (1) generation of highly oxidized fertile magma in a postsubduction tectonic setting; (2) efficient extraction of metals from the parental magma chamber; (3) prolonged maintenance of a fluid-accumulating cupola in a strike-slip structural setting that delivered multiple overlapping discharges of metal-rich fluid; (4) highly focused fluid flow into a narrow, permeable stockwork zone in which a steep temperature gradient enabled highly efficient copper and gold precipitation and led to high ore grades; (5) limited dilution by postmineral intrusions; (6) the youthfulness of the deposit minimized erosion and resulted in preservation of nearly all the high-grade Main Grasberg porphyry orebody; and (7) the proximity of the two porphyry centers enables them to be mined as a single, large deposit. The Gajah Tidur copper-(molybdenum) and Main Grasberg copper-gold porphyry centers overlap in space and formed within ~250,000 years of one another. However, their distinct metal endowment, depth of emplacement, and geometry indicate that they formed under different magmatic, hydrothermal, and structural conditions, which are the subject of ongoing research.
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Srikant, A., C. Brannon, D. Flint, and T. Casten. "Geotechnical characterization and design for the transition from the Grasberg Open Pit to the Grasberg Block Cave mine." In Rock Mechanics: Meeting Society's Challenges and Demands. Taylor & Francis, 2007. http://dx.doi.org/10.1201/noe0415444019-c159.

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Leys, Clyde A., Mark Cloos, Brian T. E. New, and George D. MacDonald. "Copper-Gold ± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia." In Geology and Genesis of Major Copper Deposits and Districts of the WorldA Tribute to Richard H. Sillitoe. Society of Economic Geologists, 2012. http://dx.doi.org/10.5382/sp.16.10.

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Issel, Andrew, Adam Schwarz, Ken Moss, and Rick Rossi. "Application of Locally Varying Anisotropy (LVA) kriging at the Grasberg porphyry Cu-Au-Ag deposit, Papua, Indonesia." In Mining Goes Digital. CRC Press, 2019. http://dx.doi.org/10.1201/9780429320774-8.

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"Imerslund–Grasbeck Syndrome." In Encyclopedia of Genetics, Genomics, Proteomics and Informatics. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6754-9_8286.

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Conference papers on the topic "Grasberg"

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Ginting, Arjuna, Eman Widijanto, and Ardhin Yuniar. "Grasberg open pit to Grasberg Block Cave transition water management plan." In MassMin 2020: Eighth International Conference & Exhibition on Mass Mining. University of Chile, Santiago, 2020. http://dx.doi.org/10.36487/acg_repo/2063_26.

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Ginting, Arjuna, and Nicholas Pascoe. "Grasberg open pit to Grasberg block cave transition wetmuck and mine design." In MassMin 2020: Eighth International Conference & Exhibition on Mass Mining. University of Chile, Santiago, 2020. http://dx.doi.org/10.36487/acg_repo/2063_22.

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Mahayasa, Made, Maychel Gino Simanjuntak, and M. Johnson. "Wanagon overburden stability; Grasberg surface mine closure." In 14th International Conference on Mine Closure. QMC Group, Ulaanbaatar, 2021. http://dx.doi.org/10.36487/acg_repo/2152_04.

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Campbell, Ryan, H. Banda, Januar Fajar, and Charles Brannon. "Optimising for success at the Grasberg Block Cave." In Fourth International Symposium on Block and Sublevel Caving. Australian Centre for Geomechanics, Perth, 2018. http://dx.doi.org/10.36487/acg_rep/1815_0.1_campbell.

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Beard, Drew, and Charles Brannon. "Grasberg Block Cave mine: cave planning and undercut sequencing." In Fourth International Symposium on Block and Sublevel Caving. Australian Centre for Geomechanics, Perth, 2018. http://dx.doi.org/10.36487/acg_rep/1815_26_beard.

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Groccia, Chris, Rob Bewick, Ian Gregson, Ryan Campbell, and Matthew Sullivan. "Interpretation of stress conditions at the Grasberg Mining Complex." In MassMin 2020: Eighth International Conference & Exhibition on Mass Mining. University of Chile, Santiago, 2020. http://dx.doi.org/10.36487/acg_repo/2063_95.

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Prewitt, Johnny, and Pratita Puradyatmika. "Overburden stockpile revegetation techniques at PT Freeport Indonesia Grasberg Mine." In Seventh International Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2012. http://dx.doi.org/10.36487/acg_rep/1208_43_prewitt.

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Leighton, Jon, and Matthew Sullivan. "InSAR in the clouds: satellite-based monitoring at Grasberg Mine." In 2020 International Symposium on Slope Stability in Open Pit Mining and Civil Engineering. Australian Centre for Geomechanics, Perth, 2020. http://dx.doi.org/10.36487/acg_repo/2025_14.

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Lara Moran, Fernando, Charles Brannon, A. Hariyadi, M. Castro, and J. Gillman. "Grasberg block cave mine rail project update – PT Freeport Indonesia." In MassMin 2020: Eighth International Conference & Exhibition on Mass Mining. University of Chile, Santiago, 2020. http://dx.doi.org/10.36487/acg_repo/2063_41.

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Campbell, Ryan, Ferric Mardiansyah, H. Banda, Jacques Tshisens, Christopher Griffiths, and David Beck. "Early experiences from the Grasberg block cave: A rock mechanics perspective." In MassMin 2020: Eighth International Conference & Exhibition on Mass Mining. University of Chile, Santiago, 2020. http://dx.doi.org/10.36487/acg_repo/2063_03.

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