INCOMING! The Chicxulub Impactor
About 66 million years ago, some 80% of ALL SPECIES ON EARTH became extinct -- at the boundary between the Mesozoic and modern eras. In every occurrence of the boundary, all over the world, there was always an odd layer of clay. When the thin clay layer was found to have high levels of iridium -- an element rare on Earth's surface -- things got interesting.
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INCOMING! The Chicxulub Impactor
About 66 million years ago, some 80% of ALL SPECIES ON EARTH became extinct -- at the boundary between the Mesozoic and modern eras. In every occurrence of the boundary, all over the world, there was always an odd layer of clay. When the thin clay layer was found to have high levels of iridium -- an element rare on Earth's surface -- things got interesting.
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INCOMING! The Chicxulub Impactor
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INCOMING! The Chicxulub Impactor
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Product Details
BN ID: | 2940160786032 |
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Publisher: | Chromosphere Press |
Publication date: | 09/28/2019 |
Sold by: | Barnes & Noble |
Format: | eBook |
File size: | 2 MB |
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