Maaf ralat,...setuju,... pada Mid Miocene sepanjang pengetahuan saya ada
tiga delta yang aktif Sepinggan, Mahakam dan Sangata, pada uplift Upper
Miocene point source ke Mahakam.
Herry Maulana
<[EMAIL PROTECTED]
oo.com> To
iagi-net@iagi.or.id
02/21/2007 01:04 cc
PM
Subject
Re: [iagi-net-l] Delta East
Please respond to Kalimantan
<[EMAIL PROTECTED]
.id>
Sepinggan Delta masih lebih tua (Mid Miocene) dari Mahakam delta, ekivalen
dengan paleo-delta nya Mbak Parvita (Sangatta, Tarakan).
cmiiw, uplift Upper Miocene menyebabkan semua point source beralih ke
Mahakam Delta sampai saat ini, sehingga kecil kemungkinan ada delta lain
yang ekivalen dengan Mahakam Delta. Yang persis seumur dan mirip
kejadiannya mungkin ada di NW Borneo, dimana paleo-delta (lebih tua dari
Mid-Upper Miocene) berada di NW Borneo sedikit lebih utara dibanding Baram
Delta (misal: Erb, Champion Delta) kemudian point source nya berubah karena
pengangkatan Upper Miocene sehingga terkonsentrasi di Baram Delta sampai
saat ini.
Regards,
Herry
----- Original Message ----
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: iagi-net@iagi.or.id
Sent: Wednesday, 21 February, 2007 12:09:49 PM
Subject: Re: [iagi-net-l] Delta East Kalimantan
Sepinggan delta yang sekarang jadi estuari Balikpapan.
"Parvita Siregar"
<parvita.siregar@
salamander-energy To
.com> <iagi-net@iagi.or.id>
cc
02/21/2007 11:26
AM Subject
[iagi-net-l] Delta East Kalimantan
Please respond to
<[EMAIL PROTECTED]
.id>
Rekan-rekan sekalian,
Sejauh ini, delta yang paling populer di East Kalimantan adalah Mahakam
Delta system. Selain itu, ada juga delta2 yang ukurannya lebih kecil
seperti Sangatta dan Tarakan (paleo-delta). Pertanyaan saya, apakah ada
lagi delta system lain di sepanjang East Kalimantan yang diakibatkan
oleh uplift Upper Miocene di Kalimantan? Mustinya dengan uplift yang
sebesar itu, terjadi juga delta2 lain yang cukup signifikan di East Kal.
Parvita H. Siregar
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