Physics
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992lmip.conf....8b&link_type=abstract
In Lunar and Planetary Inst., International Conference on Large Meteorite Impacts and Planetary Evolution p 8-9 (SEE N93-10112 0
Physics
Cretaceous-Tertiary Boundary, Ejecta, Geochronology, Hypervelocity Impact, Impact Damage, Meteorite Collisions, Meteorite Craters, Extinction, Geochemistry, Mineralogy, Planetary Geology, Structural Properties (Geology)
Scientific paper
The Cretaceous/Tertiary (K/T) boundary event represents probably the largest meteorite impact known on Earth. It is the only impact event conclusively linked to a worldwide mass extinction, a reflection of its gigantic scale and global influence. Until recently, the impact crater was not definitively located and only the distal ejecta of this impact was available for study. However, detailed investigations of this ejecta's mineralogy, geochemistry, microstratigraphy, and textures have allowed its modes of ejection and dispersal to be modeled without benefit of a source crater of known size and location.
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