RE: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth

2008-11-20 Terurut Topik Awang Satyana
Geo Unpad Subject: RE: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth   Bagaimana dengan kadar unsur Ir (Iridium) di sekitar lokasi pak? Seingat saya Ir yang masuk golongan Siderophile (komponen-komponen yang "biasa" bersama penyusun inti bumi),

RE: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth

2008-11-20 Terurut Topik bpriadi
> sainsnya, agar ada latar belakangnya. >   > Salam, > awang >   > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Thursday, November 20, 2008 8:59 C++ > To: iagi-net@iagi.or.id > Cc: Eksplorasi BPMIGAS; Forum HAGI; Geo Unpad; IAGI &

[iagi-net-l] RE: [Geo_unpad] RE: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth

2008-11-19 Terurut Topik Awang Satyana
.   salam, awang --- On Thu, 11/20/08, Adi Pramono, Waluyono <[EMAIL PROTECTED]> wrote: From: Adi Pramono, Waluyono <[EMAIL PROTECTED]> Subject: RE: [Geo_unpad] RE: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth To: [EMAIL PROTECTED], "IAGI

RE: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth

2008-11-19 Terurut Topik Awang Satyana
:59 C++ To: iagi-net@iagi.or.id Cc: Eksplorasi BPMIGAS; Forum HAGI; Geo Unpad; IAGI Subject: Re: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth   Wow, ruarrr biasaa!!! Pak Awang, penasaran nih, material asteroid yg menghantam Afsel & membentuk K

Re: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth

2008-11-19 Terurut Topik Roby_Nurzaman
Wow, ruarrr biasaa!!! Pak Awang, penasaran nih, material asteroid yg menghantam Afsel & membentuk Kubah Vredefort tsb, apakah record-nya dalam batuan ada? Asteroid biasanya kaya dgn unsur besi & nikel (cmiiw). Dan jika prediksi diameter meteor tsb benar, berarti ada sekitar 176.6 km3 volume mater

Re: [iagi-net-l] Vredefort Catastrophe, South Africa : the Massive Disaster on Primitive Earth

2008-11-19 Terurut Topik Rovicky Dwi Putrohari
On Thu, Nov 20, 2008 at 1:45 AM, Awang Satyana <[EMAIL PROTECTED]> wrote: > > Bagaimana dahsyatnya benturan yang menghasilkan kawah Vredefort ? McCarthy > dan Rubidge (2005) menyajikan perhitungan yang menarik. Dengan diameter kawah > 300 km dan dalam 5 km, maka volume yang terlemparkan adalah 70