Basalt dan zona alterasi potasik biasanya mempunyai kandungan magnetit lebih banyak dari pada andesit atau batuan teraletari lainnya, karena itu daya tarik magnetnya "relatif" lebih kuat.
Salam Andri SSM > Pak Andri, > Mohon diterangkan bagaimana membedakan basalt, dengan andesit, > berbagai jenis granit, batuan teralterasi dan termineralisasi dengan > memakai magnet. > > Nuhun > Yudi > > 2009/8/25 <an...@gc.itb.ac.id>: >> Ndak usah khawatir pake kompas, cukup jauhkan saja dari kompas untuk >> sementara ketika mengukur. Magnetnya taruh diransel (dipunggung) dan >> kompas didepan perut medan magnetnya sudah tidak berpengaruh..Untuk >> posisi >> pakai GPS...kan canggih.. >> >> Salam >> >>> ...deskripsi batuan tambah akurat, tapi positioningnya bisa kacau >>> karena >>> kompasnya keganggu sama magnet ini...:-) >>> >>> >>> >>> >>> ________________________________ >>> From: Paulus Tangke Allo <paulu...@gmail.com> >>> To: iagi-net@iagi.or.id >>> Sent: Tuesday, August 25, 2009 1:30:51 PM >>> Subject: [iagi-net-l] Fwd: Kalung Neodyn Magnete dari Bekas Hard Disc >>> >>> ---------- Forwarded message ---------- >>> From: Andri SS Mubandi <andri...@gmail.com> >>> >>> Sahabat sekalian yang budiman, >>> >>> Sambil ngabuburit menanti buka puasa, mungkin diantara sahabat >>> sekalian ada yang sedang bongkar-bongkar komputer. Tidak jarang hard >>> disc bermasalah, terserang "tumo" atau "flu trojan" tiba-tiba ngadat! >>> Nah bila mendapati hal ini, bekas hard disc jangan dibuang dulu! >>> Kemungkinan besar ada magnet canggih didalamnya! Magnet ini berupa dua >>> lempengan tipis elipsoid, terbuat dari stainless steel, mengkilat dan >>> akan merekat sangat kuat pada besi! Jauh lebih kuat dari magnet biasa! >>> Hal ini karena bajanya dicampur denga Nd atau Neodynium! Cukup >>> âtrendyâ bila dikalungkan! Karena kuat daya tariknya bisa dipakai >>> untuk membedakan antara basalt, andesit, berbagai jenis granit, batuan >>> teralterasi dan termineralisasi. Bahkan di andesit magnet ini cukup >>> lengket serta bisa dijadikan skala foto seperti tampak disamping. >>> >>> Selamat Ngabuburit dan menjalankan ibadah rhamadan >>> >>> Andri Subandrio >>> -------------------------------------------------------------------------------- >>> PP-IAGI 2008-2011: >>> ketua umum: LAMBOK HUTASOIT, lam...@gc.itb.ac.id >>> sekjen: MOHAMMAD SYAIFUL, mohammadsyai...@gmail.com >>> * 2 sekretariat (Jkt & Bdg), 5 departemen, banyak biro... >>> -------------------------------------------------------------------------------- >>> ayo meriahkan PIT ke-38 IAGI!!! >>> yg akan dilaksanakan di Hotel Gumaya, Semarang >>> 13-14 Oktober 2009 >>> ----------------------------------------------------------------------------- >>> To unsubscribe, send email to: iagi-net-unsubscribe[at]iagi.or.id >>> To subscribe, send email to: iagi-net-subscribe[at]iagi.or.id >>> Visit IAGI Website: http://iagi.or.id >>> Pembayaran iuran anggota ditujukan ke: >>> Bank Mandiri Cab. Wisma Alia Jakarta >>> No. Rek: 123 0085005314 >>> Atas nama: Ikatan Ahli Geologi Indonesia (IAGI) >>> Bank BCA KCP. Manara Mulia >>> No. Rekening: 255-1088580 >>> A/n: Shinta Damayanti >>> IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ >>> IAGI-net Archive 2: http://groups.yahoo.com/group/iagi >>> --------------------------------------------------------------------- >>> DISCLAIMER: IAGI disclaims all warranties with regard to information >>> posted on its mailing lists, whether posted by IAGI or others. In no >>> event >>> shall IAGI and its members be liable for any, including but not limited >>> to >>> direct or indirect damages, or damages of any kind whatsoever, >>> resulting >>> from loss of use, data or profits, arising out of or in connection with >>> the use of any information posted on IAGI mailing list. >>> --------------------------------------------------------------------- >>> >>> >>> >> >> >> >> -------------------------------------------------------------------------------- >> PP-IAGI 2008-2011: >> ketua umum: LAMBOK HUTASOIT, lam...@gc.itb.ac.id >> sekjen: MOHAMMAD SYAIFUL, mohammadsyai...@gmail.com >> * 2 sekretariat (Jkt & Bdg), 5 departemen, banyak biro... >> -------------------------------------------------------------------------------- >> ayo meriahkan PIT ke-38 IAGI!!! >> yg akan dilaksanakan di Hotel Gumaya, Semarang >> 13-14 Oktober 2009 >> ----------------------------------------------------------------------------- >> To unsubscribe, send email to: iagi-net-unsubscribe[at]iagi.or.id >> To subscribe, send email to: iagi-net-subscribe[at]iagi.or.id >> Visit IAGI Website: http://iagi.or.id >> Pembayaran iuran anggota ditujukan ke: >> Bank Mandiri Cab. Wisma Alia Jakarta >> No. Rek: 123 0085005314 >> Atas nama: Ikatan Ahli Geologi Indonesia (IAGI) >> Bank BCA KCP. Manara Mulia >> No. Rekening: 255-1088580 >> A/n: Shinta Damayanti >> IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ >> IAGI-net Archive 2: http://groups.yahoo.com/group/iagi >> --------------------------------------------------------------------- >> DISCLAIMER: IAGI disclaims all warranties with regard to information >> posted on its mailing lists, whether posted by IAGI or others. In no >> event shall IAGI and its members be liable for any, including but not >> limited to direct or indirect damages, or damages of any kind >> whatsoever, resulting from loss of use, data or profits, arising out of >> or in connection with the use of any information posted on IAGI mailing >> list. >> --------------------------------------------------------------------- >> >> > > -------------------------------------------------------------------------------- > PP-IAGI 2008-2011: > ketua umum: LAMBOK HUTASOIT, lam...@gc.itb.ac.id > sekjen: MOHAMMAD SYAIFUL, mohammadsyai...@gmail.com > * 2 sekretariat (Jkt & Bdg), 5 departemen, banyak biro... > -------------------------------------------------------------------------------- > ayo meriahkan PIT ke-38 IAGI!!! > yg akan dilaksanakan di Hotel Gumaya, Semarang > 13-14 Oktober 2009 > ----------------------------------------------------------------------------- > To unsubscribe, send email to: iagi-net-unsubscribe[at]iagi.or.id > To subscribe, send email to: iagi-net-subscribe[at]iagi.or.id > Visit IAGI Website: http://iagi.or.id > Pembayaran iuran anggota ditujukan ke: > Bank Mandiri Cab. Wisma Alia Jakarta > No. Rek: 123 0085005314 > Atas nama: Ikatan Ahli Geologi Indonesia (IAGI) > Bank BCA KCP. Manara Mulia > No. Rekening: 255-1088580 > A/n: Shinta Damayanti > IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ > IAGI-net Archive 2: http://groups.yahoo.com/group/iagi > --------------------------------------------------------------------- > DISCLAIMER: IAGI disclaims all warranties with regard to information > posted on its mailing lists, whether posted by IAGI or others. In no event > shall IAGI and its members be liable for any, including but not limited to > direct or indirect damages, or damages of any kind whatsoever, resulting > from loss of use, data or profits, arising out of or in connection with > the use of any information posted on IAGI mailing list. > --------------------------------------------------------------------- > > -------------------------------------------------------------------------------- PP-IAGI 2008-2011: ketua umum: LAMBOK HUTASOIT, lam...@gc.itb.ac.id sekjen: MOHAMMAD SYAIFUL, mohammadsyai...@gmail.com * 2 sekretariat (Jkt & Bdg), 5 departemen, banyak biro... -------------------------------------------------------------------------------- ayo meriahkan PIT ke-38 IAGI!!! yg akan dilaksanakan di Hotel Gumaya, Semarang 13-14 Oktober 2009 ----------------------------------------------------------------------------- To unsubscribe, send email to: iagi-net-unsubscribe[at]iagi.or.id To subscribe, send email to: iagi-net-subscribe[at]iagi.or.id Visit IAGI Website: http://iagi.or.id Pembayaran iuran anggota ditujukan ke: Bank Mandiri Cab. Wisma Alia Jakarta No. Rek: 123 0085005314 Atas nama: Ikatan Ahli Geologi Indonesia (IAGI) Bank BCA KCP. Manara Mulia No. Rekening: 255-1088580 A/n: Shinta Damayanti IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ IAGI-net Archive 2: http://groups.yahoo.com/group/iagi --------------------------------------------------------------------- DISCLAIMER: IAGI disclaims all warranties with regard to information posted on its mailing lists, whether posted by IAGI or others. In no event shall IAGI and its members be liable for any, including but not limited to direct or indirect damages, or damages of any kind whatsoever, resulting from loss of use, data or profits, arising out of or in connection with the use of any information posted on IAGI mailing list. ---------------------------------------------------------------------
