AW: [meteorite-list] NWA 2058 and pseudotachylite

2004-03-25 Thread Jörn Koblitz
ittwoch, 24. März 2004 21:44 > An: [EMAIL PROTECTED] > Betreff: [meteorite-list] NWA 2058 and pseudotachylite > > > > It is the most shocked chondrite yet discovered with no chondritic > > features that can be measured for metamorphism meaning ... > > So the Yanzhua

Re: [meteorite-list] NWA 2058 and pseudotachylite

2004-03-24 Thread Matt Morgan
[EMAIL PROTECTED] wrote: Here on Earth, The Vredefort Dome and Sudbury (Sudbury breccia) structures are the type areas for this unusual rock type called pseudotachylite but it has also been observed in other impact structures (Rochechouart, Manicouagan, Slate Islands). Pseudotachylites are not

[meteorite-list] NWA 2058 and pseudotachylite

2004-03-24 Thread bernd . pauli
> It is the most shocked chondrite yet discovered with no chondritic > features that can be measured for metamorphism meaning ... So the Yanzhuang (H6, S6) chondrite that fell 1990, Oct 31, and is one of the most severely reheated and the most severely shocked H chondrites has got a new "brother"

[meteorite-list] NWA 2058 and pseudotachylite

2004-03-24 Thread bernd . pauli
> It is the most shocked chondrite yet discovered with no chondritic > features that can be measured for metamorphism meaning ... So the Yanzhuang (H6, S6) chondrite that fell 1990, Oct 31, and is one of the most severely reheated and the most severely shocked H chondrites has got a new "brother"