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A Geoscience Digital Image Library

336.jpg
TitleStaurolite quartzite, Big Rock, Petaca, Rio Arriba County, Mexico
DescriptionThis quartzite contains grains of staurolite up to 10 mm long but they are hard to see because they are only slighlty darker brown than the rock matrix. This sample is 8 cm across.
ChronostratigraphyPrecambrian
LithostratigraphyPetaca Schist
LocationMexico ▹ Rio Arriba. Near Petaca. Big Rock.
PhotographerMike Davis. 2001-04-10.
CollectionWard’s Collection of Classic North American Rocks #85.
Key wordsstaurolite quartzite, Mexico, Petaca Schist, staurolite
Tech details767 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number336