Burned Mountain Formation
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The Burned Mountain Formation is a geologic formation that crops out in the Tusas Mountains of northern New Mexico. It has a U–Pb radiometric age of 1700 Mya, corresponding to the Statherian period.
Burned Mountain Formation exposures near Placer Creek, New Mexico, United States
An outcrop of Burned Mountain Formation at Mesa la Jara, previously assigned to the Petaca Schist
Moppin Complex
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The Moppin Complex is a Precambrian geologic complex found in the Tusas Mountains of northern New Mexico. It has not been directly dated, but is thought to be Statherian based on a minimum age of 1.75
Burned Mountain Formation
…corresponding to the Statherian period. The Burned Mountain Formation as originally defined is a metamorphosed rhyolite that appears to have intruded the Moppin Complex, mostly as sills. Portions of the formation are described as quartz-eye schists. The unit was later expanded to include most of the Vadito Group beds…
Moppin Complex at the Iron Mountain reference section
Moppin Complex at Placer Creek.
Greenschist of the Moppin Complex. This is the predominant rock type in the complex.
Feldspathic schist of the Moppin Complex on Hopewell Ridge.