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The Archean Earth was hotter (from impacts and more radioactive decay). A more vigorous mantle convection probably kept most plates smaller than today. - PowerPoint PPT Presentation

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PPT – The Archean Earth was hotter (from impacts and more radioactive decay). A more vigorous mantle convection probably kept most plates smaller than today. PowerPoint presentation | free to download - id: 1d00f9-ZDc1Z



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The Archean Earth was hotter (from impacts and more radioactive decay). A more vigorous mantle convection probably kept most plates smaller than today.

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The Archean Earth was hotter (from impacts and more radioactive decay). A more vigorous mantle ... Acasta gneiss, in Nunavut: a metamorphosed granite. ... – PowerPoint PPT presentation

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