[meteorite-list] Tagish Lake and Kaidun

From: Bernd Pauli HD <bernd.pauli_at_meteoritecentral.com>
Date: Thu Apr 22 09:54:04 2004
Message-ID: <3C6ABD8E.93C90836_at_lehrer1.rz.uni-karlsruhe.de>

ZOLENSKY M. et al. (2001) Kaidun: A smorgasbord
of new asteroid samples (MAPS 36-9, 2001, A233):

One of the most intriguing results of research on Tagish Lake is that
it may be a piece from a type D asteroid – this type of asteroid is
supposed to be extremely rich in carbon. How does that finding relate
to Kaidun? Kaidun is a clastic carbonaceous chondrite and the following
components are present:

- every type of carbonaceous chondrite
- enstatite chondrites
- shock melt clasts
- many numerous hitherto unseen materials - plus: ...
- a carbonaceous lithology with the same oxygen isotope
  composition as Tagish Lake

So there was Tagish Lake-like material in our collections
20 years before Tagish Lake fell!

In order to have accumulated clasts of many unrelated asteroids, the
Kaidun parent body must have been large and the authors speculate
that Kaidun may have come from ... Ceres.


Cheers,

Bernd
Received on Wed 13 Feb 2002 02:25:02 PM PST