Augite Vent Basalt (NM-local?)
Tertiary
Type locality not stated. Augite Vents are a pair of deeply eroded small cinder cones about 2 mi south of Folsom, Union Co., northeastern NM (Baldwin and Muehlberger, 1959).
Sierra Grande uplift
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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