AW: [meteorite-list] Pseudotachylite
dellenit
dellenit at aon.at
Thu Jul 21 02:56:47 EDT 2005
Hi Bernd and list,
i know Rubins pub - but as you cited correct "pseudotachylite - LIKE "
veins - this is not the same then - it is just like as the word "pseudo"
itself which means something different... itself.
If something is like a meteorite - it is a meteorite wrong and NOT a
meteorite..
regards
Harold
-----Ursprüngliche Nachricht-----
Von: meteorite-list-bounces at meteoritecentral.com
[mailto:meteorite-list-bounces at meteoritecentral.com]Im Auftrag von
bernd.pauli at paulinet.de
Gesendet: Wednesday, July 20, 2005 2:41 PM
An: Meteorite-list at meteoritecentral.com
Betreff: [meteorite-list] Pseudotachylite
Hello Harold, Greg, and List,
Harold wrote (excerpt):
"... just some clarification, the term pseudotachy-
lite is only valid for earth friction melt rocks !"
This isn't quite true anymore because:
RUBIN A.E. (2003) Post-shock annealing and post-annealing shock:
implications
for the thermal and shock histories of ordinary-chondrite parent bodies
(Lunar
and Planetary Science XXXIV (2003), 1263.pdf):
.. In addition to long-recognized shock effects in olivine, pyroxene and
plagioclase
(including the presence of high-pressure phases), petrographic shock
indicators in OC
include silicate darkening [3], chromite veinlets [3], narrow glassy
pseudotachylite-
like veins [4], ...
Best regards,
good night,
Bernd
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