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

Nature

By:
, , , , and
DOI: 10.1038/307224a0

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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