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Vegetation, climatic and floral changes at the Cretaceous-Tertiary boundary

โœ Scribed by Wolfe, Jack A.; Upchurch, Garland R.

Book ID
109747490
Publisher
Nature Publishing Group
Year
1986
Tongue
English
Weight
505 KB
Volume
324
Category
Article
ISSN
0028-0836

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โœ L. Alegret; I. Arenillas; J. A. Arz; C. Liesa; A. Melรฉndez; E. Molina; A. R. Sor ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 707 KB

**ABSTRACT** In the El Mulato section (NE Mexico), the Upper Cretaceous marly Mรฉndez and the Lower Palaeogene marly Velasco Formations are separated by a clastic unit. Benthic foraminifera from both marly formations indicate lower bathyal depths. The clastic unit, in contrast, contains platform sand