Sentences with phrase «analyses of zircon»
She then searched the literature for all comparable analyses of Hadean zircon and for representative analyses of zircon from other modern environments.
https://www.sciencedaily.com/
Bowring's earlier analysis of the zircons indicated they might have grown in two or more widely - spaced time periods, obscuring their exact age.
Armstrong, R., Vishnevysky, S., Koeberl., U-Pb analyses of zircons from the Popigai imapct structure, Russia: first results, Meteorite Imapcts in Find images, sites, tombs and tomb components through the various searches below.
Not exact matches
Equally astonishing is the time of formation of the Tava sandstone, determined from detrital zircon analysis: the Tava proves to be from a time period ~ 750 million years ago, which was not known to be represented in the Colorado Rockies: the Cryogenian Period.