Buenas tardes. ¿ Que significa ventifacted · ? . Pueden responder en
lengua inglesa. Gracias.
Saludos,
Paolo Gallo.
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Buenas tardes. ¿ Que significa ventifacted · ?
Pueden responder en lengua inglesa. Gracias.
Saludos, Paolo Gallo.
Saludos, Paolo, Hello List,
This means it has been faceted, grooved, and
polished by the erosive action of wind-driven sand.
Source: Random House Webster's Unabridged Dictionary
Meteorites
www.meteorites.cl
- Original Message -
From: [EMAIL PROTECTED]
To: Meteorite-list@meteoritecentral.com
Sent: Wednesday, January 19, 2005 2:35 PM
Subject: Re: [meteorite-list] ¿ ventifacted ?
Buenas tardes. ¿ Que significa ventifacted · ?
Pueden responder en lengua inglesa
Hola Paolo, Ventifacted- pienso que se caracterizen las piedras mencionadas
por tener las superficies o facetas moldeadas por las tempestades de arena, o
solo por vientos abrazivos con arena o polvo Saludos
En un mensaje con fecha 01/19/2005 11:15:40 AM Mexico Standard Time,
[EMAIL
It should be iron ore, hematite or magnetite, not iron or iron alloy.
The banding is produced by tectonic motions and it's called folding.
I visited a swedish mine this summer where there were a lot of
banded iron ore. To get a piece off the big rock below took a lot
of work but it's a perfect way
Hi,
Yes, wind faceted (wind and sand ablation) seems to be the key feature of
relevance. If you look at photos of the alleged meteorite found on Mars,
it contains quite a few facets. And the ridges between the facets are very
sharp. I have seen hard quartzite and flint-like rocks on deserts
Nick and others,
Challenging folks to provide further proof of extraordinary claims is a worth
while effort.
I applaud your comments.
I've seen the evidence of significant ridge edge erosion of granite here in PA,
and it is amazing to see the gouging affects of wind and rain.
The edges I've
Dear List;
If any would like a picture of a banded iron of 2.87 byo that is
ventifacted and has been glaciated, ask me and I will send a picture or two.
Best,
DAve Freeman mjwy
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