Antam updates Q1 gold, nickel exploration activities
Friday, May 1 2009 - 08:47 AM WIB
EXPLORATION*
In 1Q09, Antam continued its exploration on lateritic nickel, gold, bauxite and coal in Indonesia. Total preliminary costs reported by Geomin Unit for exploration on above commodities reached Rp20.4 billion.
Nickel
Antam conducted nickel exploration activities at Bull of Halmahera and Mandiodo of Southeast Sulawesi.
Antam conducted nickel exploration activities at Buli of Halmahera particularly Sangaji area including drilling activities that reached 2,010 m depth and 4,244 m depth at Pakal Island with 25 m drilling distance. Antam also conducted 20.4 km grid measurement and collected 6,372 samples. Total cost reached Rp3.2 billion.
Nickel exploration activities at Mandiodo of Southeast Sulawesi included 25 m drilling distance that reached 3,928 m, 3,970 core samples, 36 ha of topography measurement, track measurement and 9.3 km drilling hole. Total cost of these activities reached Rp3.1 billion.
Total cost for nickel exploration including further exploration activities and maintenance amounted to Rp6.7 billion.
Gold
Antam conducted gold exploration activities at Central Aceh and Naganraya of NAD, North Tapanuli of North Sumatera, Muara Manderas of Jambi, Pongkor and Garut in West Java, Ajibarang, Kebasen Tirtomoyo and Jatisrono of Central Java, Wowoni, Koloni and Ranteangin of Southeast Sulawesi and Mao of West Sulawesi.
Antam conducted exploration activities at Central Aceh and Naganraya of NAD included Regional Geological Mapping (RGM) of 8,000 ha, opening of 30m3, stream sediment of 101 samples, 130 rock samples, 2 Fi samples, 4 XRD samples and 34 petro/mineragraphy samples. Total cost of these activities reached Rp143.4 million.
Antam conducted exploration activities at North Tapanuli of North Sumatera included Semi Detailed Geological Mapping (SDGM) of 1,215 ha, opening of 289 m3, 380 rock samples, 2 Fi samples, 4 XRD samples and 20 petro/ mineragraphy samples. Total cost of these activities reached Rp212.7 million.
Antam conducted exploration activities at Muara Manderas in Jambi including drilling activities reached 695 m depth, 169 ha of Detailed Geological Mapping (DGM), 40 ha of SDGM, 216 m3 opening, 8.3 km of track measurements, 0.50 km of opening and drilling spot measurement,, collected 703 soil samples, 77 rock samples, 220 core samples, 19 Fi samples, 37 petro/ mineragraphy samples and 251 XRD samples. Total cost of these activities reached Rp2.4 billion.
Exploration activities at Pongkor of West Java focused on core drilling activities reached 3,493 m depth, 69.66 ha of DGM, 24.32 km of track measurement, collected 63 rock samples, 601 core samples, 16 Fi samples, 15 petrography samples, 15 mineragraphy samples and 6 XRD samples. Total cost of these activities reached Rp3.7 billion.
Exploration activities at Papandayan of West Java included 213.93 ha of DGM, 28.9 m3 opening, 5.38 km track measurement, 34 rock samples, 1 Fi samples, 73 petrography samples, 6 mineragraphy samples and 10 XRD samples. Antam also conducted Environmental Study (AMDAL) at Papandayan. Total cost reached Rp1.9 billion.
Activities at Ajibarang and Kebasen of Central Java included 428 ha of DGM, 81 m3 opening, 269 rock samples and 19 Fl/petrography/XRD samples. Total cost of these activities reached Rp151.1 million.
Exploration activities at Tirtomoyo and Jatisrono of Central Java included 260 ha of DGM, 4.8 km of track measurement, 173 rock samples, 21 soil samples and 2 Fi/pet/XRD samples. Total cost reached Rp154.6 million.
Exploration activities at Wowoni and Kolono of Southeast Sulawesi included 125 ha of DGM, 339 m3 of opening, 47.5 km track measurement, 184 rock samples, 6 Fi samples, 1 XRD sample, 6 petrography samples, 1 mineragraphy sample, 456 IP geophysics, and 1,505 spots of magnetic geophysics. Total cost reached Rp667.3 million.
Antam conducted exploration activities at Ranteangin of Southeast Sulawesi including 5,340 ha of RGM, 121 stream sediment samples, 5 Fi samples, 2 XRD samples, 10 petrography samples and 5 mineragraphy samples. Total cost of these activities reached Rp175.7 million.
Activities at Mao, Batuisi and Karosa of West Sulawesi included 1,775 ha of SDGM, 150 ha of DGM, 111 m3 opening, 279 rock samples and 11 Fl/petrography/ XRD samples. Total cost of these activities reached Rp230.8 million.
The total cost for gold exploration including further exploration activities and maintenance reached Rp9.7 billion.
Bauxite
Antam conducted bauxite exploration activities at Mempawah, Landak, Munggu Pasir and Tayan of West Kalimantan.
Exploration activities at Mempawah and Landak included 95.86 km of grid measurements, 1.20 ha of topographical measurements, 1,601 spots (11,039 m) of test pitting and collection of 2,998 samples at a cost of Rp1.9 billion.
Antam conducted exploration at Tayan which included 21.74 km of grid measurement, 7.65 ha of topography measurement, 207 spots (1,610 m) of test pitting and collection of 462 samples at a cost of Rp439.8 million.
Antam conducted exploration at Munggu Pasir which included a 42 km of grid measurement, 797 spots (1,610 m) of test pitting and collection of 793 samples at a cost of Rp81 7.6 million.
Total cost of bauxite exploration included initial exploration activities and maintenance reached Rp3.2 billion.
Coal
Antam conducted initial coal exploration at Sangal Keruh of Jambi.
Exploration activities at Sungal Keruh of Jambi included 6,000 ha RGM, 1,050 ha SDGM, 140 m3 opening, 28 rock samples, 24 core samples, 22.60 km track measurement and 447.5 m of drilling. Total cost reached Rp760.2 million.
Total coal exploration including initial exploration activities and maintenance reached Rp783.5 million. (end of excerpt)
*Preliminary result, Antam also releases monthly exploration report.