Hondo Group
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The Hondo Group is a group of geologic formations that crops out in most of the Precambrian-cored uplifts of northern New Mexico. Detrital zircon geochronology gives a maximum age for the lower Hondo
Hondo Group (Ortega Formation) in the Tusas Mountains, New Mexico
Rinconada Formation
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The Rinconada Formation is a geologic formation that crops out in the Picuris Mountains of northern New Mexico. Detrital zircon geochronology establishes a maximum age for the Rinconada Formation of a
Hondo Group
…section is absent in the Tusas Mountains, where the Hondo Group is essentially synonymous with the Ortega Formation. The upper section is assigned to the Rinconada Formation in the Picuris Mountains. The most complete section is in the northern Picuris Mountains, where the Hondo Group fills an overturned syncline. Detrital…
Rinconada Formation garnet-staurolite-muscovite schist beds near Pilar, New Mexico.
Crystals of staurolite weathered out of the Rinconada Formation, near Pilar, New Mexico.
Twinned staurolite from Rinconada Formation