Trace element patterns at a non-marine cretaceous-tertiary boundary

Nature
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Abstract

At the fossil-pollen-defined Cretaceous-Tertiary boundary in the Raton Basin of New Mexico and Colorado, an iridium abundance anomaly and excess scandium, titanium, and chromium are associated with a thin ash or dust fallout bed (now kaolinitic clay) that was preserved in freshwater coal swamps. ?? 1984 Nature Publishing Group.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Trace element patterns at a non-marine cretaceous-tertiary boundary
Series title Nature
DOI 10.1038/307224a0
Volume 307
Issue 5948
Year Published 1984
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Nature
First page 224
Last page 228