Selain sejarah geologinya, ternyata bagus juga dijadikan tempat wisata sehingga terjaga kelestariannya.
Sedikit pertanyaan : apakah tidak ada nilai ekonomis dari tuff sebagai bahan galian ? On Sun, Nov 19, 2017 at 7:42 AM, [email protected] <[email protected]> wrote: > > > - SEMILIR – A SUPERERUPTION 20 Ma > <http://www.iagi.or.id/semilir-a-supereruption-20-ma.html> post date: > 19-Nov-2017 > - > > Tulisan pak Awang Satyana: > > SEMILIR – A SUPERERUPTION 20 Ma > > Semilir, gunungapi purba 20 juta tahun yl (20 Ma), letusan > paroxysmal -megakolosal sekelas Toba, di timur Yogyakarta sekarang. > > > > > > ---------------------------------------------------- > > *Iuran tahunan Rp.250.000,- (profesional) dan Rp.100.000,- (mahasiswa)* > Pembayaran iuran anggota ditujukan ke: > Bank Mandiri Cab. Wisma Alia Jakarta (a/n IAGI) > No. Rek: 123 0085005314 > http://www.iagi.or.id/ <http://www.iagi.or.id/> > > Facebook: iagi somed <https://www.facebook.com/iagi.somed.1> > > Facebook Group: IAGI Group <https://www.facebook.com/groups/iagi.or.id/> > > Facebook Page: IAGI Page <https://www.facebook.com/ppiagi/> > > Instagram: @iagi <https://www.instagram.com/iagi/> > > Twitter: @iaginet <https://twitter.com/iaginet> > > > > ---------------------------------------------------- > > Iuran tahunan Rp.250.000,- (profesional) dan Rp.100.000,- (mahasiswa) > Pembayaran iuran anggota ditujukan ke: > Bank Mandiri Cab. Wisma Alia Jakarta (a/n IAGI) > No. Rek: 123 0085005314 > > ---------------------------------------------------- > Subscribe: [email protected] > Unsubscribe: [email protected] > ---------------------------------------------------- > 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 or 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. > > ---------------------------------------------------- Iuran tahunan Rp.250.000,- (profesional) dan Rp.100.000,- (mahasiswa) Pembayaran iuran anggota ditujukan ke: Bank Mandiri Cab. Wisma Alia Jakarta (a/n IAGI) No. Rek: 123 0085005314 ---------------------------------------------------- Subscribe: [email protected] Unsubscribe: [email protected] ---------------------------------------------------- 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 or 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.
