HI Steve and welcome to the Meteorite List. I've got only a two year head start on you. And I can assure you that if you stay "tuned" you'll soon be quite able to decern a meteorite from an rock of earth origin.
Terrestrial rocks, like the ones whose pictures you've supplied, do indeed contain evidence of the tumultuous, tortuous igneous and metamorphic processes that formed them.
Intrusions of molten material under intense pressures leave their unmistakable signatures.
Impact shock viens look suspiciously similar but the very texture of your rocks belie their origin.
Stick around and the three categories, iron, stoney-iron and stoney meteorites will eventually "jump" out at you [98% of the time]
Jerry Flaherty
----- Original Message -----
Sent: Sunday, August 27, 2006 1:08 PM
Subject: [meteorite-list] Hello

Hi I am new to the list and thought I would say hello to add the list to my adress book. I was also wondering if rocks on earth could have impacts in them with melting and ejected glass or do only meteorites do this?
 
they look like they may have been at one time one rock.
Thankyou
Steve


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