Pak Andang, Terima kasih untuk clear explanation-nya. Kesimpulan, pada Paleo Mahakam storm depositnya belum teridentifikasikan.
Herman ---------- | From: abachtiar / mime, , , [EMAIL PROTECTED] | To: iagi-net / mime, , , [EMAIL PROTECTED] | Subject: Re: [iagi-net-l] Storm deposit di Kutai Basin | Date: Friday, 18 October, 2002 9:57AM | | Pak Herman, | East Kalimantan (Kutai Basin) storm deposit yang pernah saya deskripsi & | interpretasi ada di: | 1. Formasi Kuaro & Telakai di S. Muru, S. Kuaro dan S. Tempayang di daerah | sekitar Tanah Grogot | 2. Formasi Pamaluan di Pembulan, Gitan dan Sepaku area | 3. Formasi PulauBalang di daerah Semoi, Loahaur | 4. Formasi Mentawir (Grup Balikpapan) di daerah Mentawir dan Sakakanan | 5. Formasi Mentawir (Grup Balikpapan) dan Formasi Kampung Baru di Utara | Semberah, di daerah Tanjung Santan, dan di Selatan Bontang. | | Kesemuanya itu diluar daerah Central Mahakam. | | Menurut persepsi saya (berdasarkan singkapan, seismik, dan data sumur): | | Paleo-Mahakam yang lebih muda dari 10.2 MYA (Late Miocene) tidally | influenced delta (Singkapan dan Log dari daerah Mutiara North & Pamaguan dan | Semberah South) | | Paleo Mahakam yang berumur Lower sampai Middle Miocene (15.2-10.2 MYA) pada | umumnya fluvial dominated delta | | Sepinggan (Wain) Delta juga berubah-ubah sifatnya dari waktu-kewaktu, | termasuk di beberapa interval Lower Miocene yang menunjukkan wave processes | influence | | regards, | | adb | | | ----- Original Message ----- | From: <[EMAIL PROTECTED]> | To: <[EMAIL PROTECTED]> | Sent: Friday, October 18, 2002 8:17 AM | Subject: Re: [iagi-net-l] Storm deposit di Kutai Basin | | | > Bung Andang, | > | > Apakah anda pernah melihat dan menginterpretasikan suatu outcrop di E. | > Kalimantan sebagai storm deposit? | > | > Just to make it clear,.... | > Present day Mahakam: fluvial - tidal dominated delta (rasanya tidal | > lebih jauh lebih mendominasi karena fluvial inputnya kecil, marine | > water intrussion sangat jauh ke tengah / pangkal delta) | > Paleo Mahakam delta: fluvial - tidal dominted delta juga? | > Sepingan delta: fluvial -wave dominated delta? With storm deposits? | > | > Herman | > | > ---------- | > | From: abachtiar / mime, , , [EMAIL PROTECTED] | > | To: iagi-net / mime, , , [EMAIL PROTECTED] | > | Subject: Re: [iagi-net-l] Storm deposit di Kutai Basin | > | Date: Friday, 18 October, 2002 9:06AM | > | | > | Perlu disadari bahwa endapan cekungan Kutai di daerah | Balikpapan-Samarinda | > | tidak harus selalu berasosiasi atau disebut sebagai bagian dari | > | "paleo-mahakam". | > | | > | Dari tinggian Sepaku-Tengin-Sakakanan ke arah Selatan (aprox. from km38 | to | > | BPN) banyak publikasi menyebutkan bahwa justru "paleo-wain river/delta" | lah | > | yang mensuplai endapan pengisi cekungan. Beberapa penulis juga | menyebutkan | > | "sepinggan delta" sebagai nama lain dari "paleo-wain-river/delta" pada | umur | > | tertentu. Dan Wain/Sepinggan delta paleogeography (plus factor-factor | yang | > | mengontrolnya: tide,wave,fluvial) tidak harus sama dengan | "paleo-mahakam" | > | ... apalagi "present-day mahakam". | > | | > | Jadi kalau memang benar ada banyak endapan storm, terutama di luar | daerah | > | "central mahakam", bukan berarti ada teori baru tentang low wave | energynya | > | pelo- & present-day mahakam. | > | | > | Salam | > | | > | adb | > | | > | | > | ----- Original Message ----- | > | From: <[EMAIL PROTECTED]> | > | To: <[EMAIL PROTECTED]> | > | Sent: Friday, October 18, 2002 6:43 AM | > | Subject: [iagi-net-l] Storm deposit di Kutai Basin | > | | > | | > | > Rekan-rekan, | > | > | > | > Di NW Borneo banyak sekali ditemukan storm deposits yang diendapkan di | > | > tidal shelf. Banyak hummocky cross strat. | > | > | > | > Ada teman yang baru balik dari BAlikpapan - Samarinda area dan dia | > | > lihat banyak sekali storm deposit. Dia bilang sekitar 50% dari | > | > sandstone di outcrop di kontrol oleh storm. | > | > | > | > Apakah ini teori baru? Setau saya baik present day Mahakam dan paleo | > | > Mahakam semuanya dikontrol oleh low wave energy. | > | > | > | > Teman-teman TFE, Unocal, Lasmo, dll... ada yang bisa jawab? | > | > | > | > Herman | > | > | > | > | > | > --------------------------------------------------------------------- | > | > To unsubscribe, e-mail: [EMAIL PROTECTED] | > | > Visit IAGI Website: http://iagi.or.id | > | > IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ | > | > IAGI-net Archive 2: http://groups.yahoo.com/group/iagi | > | > ===================================================================== | > | > Indonesian Association of Geologists [IAGI] - 31st Annual Convention | > | > September 30 - October2, 2002 - Shangri La Hotel, SURABAYA | > | > | > | > | > | > | > | | > | | > | | > | --------------------------------------------------------------------- | > | To unsubscribe, e-mail: [EMAIL PROTECTED] | > | Visit IAGI Website: http://iagi.or.id | > | IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ | > | IAGI-net Archive 2: http://groups.yahoo.com/group/iagi | > | ===================================================================== | > | Indonesian Association of Geologists [IAGI] - 31st Annual Convention | > | September 30 - October2, 2002 - Shangri La Hotel, SURABAYA | > | | > | > | > --------------------------------------------------------------------- | > To unsubscribe, e-mail: [EMAIL PROTECTED] | > Visit IAGI Website: http://iagi.or.id | > IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ | > IAGI-net Archive 2: http://groups.yahoo.com/group/iagi | > ===================================================================== | > Indonesian Association of Geologists [IAGI] - 31st Annual Convention | > September 30 - October2, 2002 - Shangri La Hotel, SURABAYA | > | > | > | | | | --------------------------------------------------------------------- | To unsubscribe, e-mail: [EMAIL PROTECTED] | Visit IAGI Website: http://iagi.or.id | IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ | IAGI-net Archive 2: http://groups.yahoo.com/group/iagi | ===================================================================== | Indonesian Association of Geologists [IAGI] - 31st Annual Convention | September 30 - October2, 2002 - Shangri La Hotel, SURABAYA | --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] Visit IAGI Website: http://iagi.or.id IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ IAGI-net Archive 2: http://groups.yahoo.com/group/iagi ===================================================================== Indonesian Association of Geologists [IAGI] - 31st Annual Convention September 30 - October2, 2002 - Shangri La Hotel, SURABAYA
