Ejecta from meteorite impact near the Cenomanian-Turonian boundary found at north of Nazare, Portugal

Details Ejecta from meteorite impact near the Cenomanian-Turonian boundary found at north of Nazare, Portugal Ejecta from meteorite impact near the Cenomanian-Turonian boundary found at north of Nazare, Portugal

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..967m&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 967.

Physics

Ejecta, Meteorites, Hypervelocity Impact, Portugal, Quartz

Scientific paper

Results are reported from preliminary ejecta encountered bear a Cenomanian-Turonian boundary in a coastal site at Nazare, Portugal; if this is the ejecta from a meteorite impact, as here suggested, it must be related to the Tore seamount impact crater 300 km to the west of the ejecta site. The Nazare phenomenon is noted to coincide with a well-known stepwise extinction and with a global Ir anomaly.

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