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Facies and age of the Oso Ridge Member (new), Abo Formation, Zuni Mountains, New Mexico

New Mexico Geology

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Abstract

The Oso Ridge Member (new), at the base of the Abo Formation, nonconformably overlies Proterozoic rocks. The member consists of some 9m of conglomerate and arkose composed principally of fragments of the underlying Proterozoic metamorphic rocks; thin, fossiliferous limestone lenses are interbedded with the arkose. Biota from the lenses include a phylloid alga, foraminifers, conodonts, brachiopods, and molluscs. The age of the Oso Ridge Member is Virgilian Late Pennsylvanian) to Wolfcampian (Early Permian). -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Facies and age of the Oso Ridge Member (new), Abo Formation, Zuni Mountains, New Mexico
Series title:
New Mexico Geology
Volume
16
Issue:
2
Year Published:
1994
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
New Mexico Geology
First page:
26
Last page:
30
Number of Pages:
5