Piedra Lumbre Formation
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The Piedra Lumbre Formation is a geologic formation that crops out in the Picuris Mountains of northern New Mexico. Detrital zircon geochronology yields a maximum age of 1475 million years, correspond
Outcrop of Piedra Lumbre Formation along highway from Dixon to Picuris Pueblo, New Mexico, USA
Piedra Lumbre Formation, upper left, in contact with thinner beds of Pilar Formation, lower right
Marquenas Formation
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The Marquenas Formation is a geological formation that crops out in the Picuris Mountains of northern New Mexico. Detrital zircon geochronology gives it a maximum age of 1435 million years, correspond
Piedra Lumbre Formation
…range: Outcrop of Piedra Lumbre Formation along highway from Dixon to Picuris Pueblo, New Mexico, USA Type Formation Unit of Trampas Group Underlies Marquenas Formation Overlies Pilar Formation Thickness 300 m (980 ft) Lithology Primary Schist Other Quartzite Location Coordinates Region Picuris Mountains, New Mexico…
Marquenas Formation with crosscutting dike, Picuris Mountains
Coarse conglomerate at the base of the Marquenas Formation
Middle quartzite section of Marquenas Formation
Sample of quartzite from the middle section of the Marquenas Formation