Pit, eh Vit, Tak hanya Sumatra, Jawa pun (Jabar misalnya) punya basement yang berbeda-beda pula (dari beberapa sumur yang berlainan).
Memang kalo ada pak Sartono, mau nanya apa? Kalo soal petrologi basement, tuh ada pendekar yang masih hidup, om Yatno. Iya, 'kan? Salam, iPul On Wed, Sep 25, 2013 at 10:11 AM, Parvita Siregar < parvita.sire...@awexplore.com> wrote: > Mas Shofi, **** > > ** ** > > Yang produksi dari basement itu sejauh ini paling besar Suban yang > basementnya granit. Nah, yang basementnya marble, kuarsit dan filit apakah > ada yang di produksi? **** > > Nah, kalau filit kan lebih susah untuk “retak” ya, karena tidak segetas > granit dan marble. **** > > ** ** > > Kalau umur granitnya sama umur marbel, filit dan kuarsit, apakah sudah ada > yang meneliti ya? (menyesal pas kuliah Pak Sartono ngga banyak nanya).*** > * > > ** ** > > *PARVITA SIREGAR** |* SENIOR GEOLOGIST | AWE (NORTHWEST NATUNA) PTE LTD | AWE > LIMITED**** > ------------------------------ > > P +62 21 2934 2934 | D EXT 107 | F +62 21 780 3566 | M +62 811 996 > 616 | E parvita.sire...@awexplore.com > > **** > > *From:* iagi-net@iagi.or.id [mailto:iagi-net@iagi.or.id] *On Behalf Of * > Shofiyuddin > *Sent:* Wednesday, September 25, 2013 10:01 AM > *To:* iagi-net@iagi.or.id > *Subject:* Re: [iagi-net] Basement di Sumatra: jarak dekat tapi berbeda?** > ** > > ** ** > > Vita,**** > > Sekedar berbagi cerita sedikit saja sewaktu bekerja untuk sumur sumur gas > di Sumatra Selatan. Pada dasarnya, basement yang ditemui terdiri dari > batuan beku (yang terbanyak tipe granitik sampai granodiorit) dan ada pula > batuan metamorfik yang terdiri dari pilit, kuarsit sampai marble. Semuanya > menghasilkan gas. **** > > ** ** > > Yang lain silahkan nambahin. **** > > ** ** > > 2013/9/25 Parvita Siregar <parvita.sire...@awexplore.com>**** > > Rekan-rekan IAGI-Net yang asik2,**** > > **** > > Ini mungkin pertanyaan yang tidak terlalu cerdas, tetapi saya kemarin2 ini > melihat data beberapa sumur di Sumatra yang sampai ke basement. Dan dalam > jarak yang lumayan dekat, komposisi basementnya beda sekali: yang satu > marble, yang satu phyllite. Sementara, saya yang lumayan awam ini > berpikiran kalau di Sumatra itu, basementnya mustinya granitic. Ternyata > tidak musti begitu ya?**** > > **** > > Mungkin ada yang mau memberikan pencerahan mengenai basement? Sekali2 > jadi Hardrockerlah…(hidup metaaal). **** > > **** > > **** > > **** > > *PARVITA SIREGAR |* SENIOR GEOLOGIST | AWE (NORTHWEST NATUNA) PTE LTD | AWE > LIMITED**** > ------------------------------ > > P +62 21 2934 2934 | D EXT 107 | F +62 21 780 3566 | M +62 811 996 > 616 | E parvita.sire...@awexplore.com > ARKADIA OFFICE PARK, TOWER F, 14TH FLOOR, JI. LET. 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