A Geoscience Digital Image Library

TitleGarnet gneiss - polished slab
DescriptionThis 15 cm wide sample of garnet gneiss from the Adirondack Mountains near Tupper Lake, New York, was cut and polished to show minerals and texture. The gneissic banding is manifested by white layers of mostly plagioclase, and darker layers containing biotite. Red garnets are mostly associated with the biotite layers.
ChronostratigraphyGrenville (Precambrian)
Geologic provinceGrenville
LocationUSA ▹ New York. Near Tupper Lake. Adirondack Mountains.
PhotographerShannon Heinle. 2001-04-19.
CollectionUniversity of North Dakota Mineralogy Collection #8336.
Key wordsgarnet gneiss, garnet, Tupper Lake, New York, Adirondack Mountains
Tech details2.87 MB. Hand specimen. Fujifilm FinePix S1Pro.
GeoDIL number361