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Old 06-July-2009, 07:38 PM
trinitree88 trinitree88 is offline
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Originally Posted by thoth II View Post
I heard there was Iridium at the KT boundary, and that is why Alvarez thought that an object from outside earth crashed. Where else could that Iridium layer come from?
thoth Volcanic eruptions...not as common there either. pete
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