Search Results - Open Polar - "E.T. the Extra-Terrestrial

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1

Did transit through the galactic spiral arms seed crust production on the early Earth?

by Kirkland, C.L., Sutton, P.J., Erickson, T., Johnson, T.E., Hartnady, M.I.H., Smithies, H., Prause, M.
Published in Geology (2022)
“... extra-terrestrial bombardment, the production of Earth’s continental crust is generally regarded as a...”

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2

Osmium concentration and isotope composition at ultra-low levels in polar ice and snow

by Mukul Sharma, Ji-Hye Seo, Erich Osterberg, Brian Jackson
Published 2018
“.../volcanic dust) and extra-terrestrial sources. The PGE concentration data, however, lack specificity...”

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3

Osmium concentration and isotope composition at ultra-low levels in polar ice and snow

by Mukul Sharma, Ji-Hye Seo, Erich Osterberg, Brian Jackson
Published 2018
“.../volcanic dust) and extra-terrestrial sources. The PGE concentration data, however, lack specificity...”

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Dataset
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4

Investigating the triggering mechanisms of palaeoceanographic disturbance across the Frasnian–Famennian, Late Permian and the Paleocene–Eocene Thermal Maximum: insights from osmium...

by LIU, ZEYANG
Published 2019
“... of ~25% for the Late Devonian. Furthermore, the Os isotope records does not support an extra-terrestrial...”

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