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File:SwanPeakQuartziteOutcrop.jpg
From Wikipedia, the free encyclopedia
Found in articles
Tập tin:SwanPeakQuartziteOutcrop.jpg
Description
Swan
Peak
Quartzite
Outcrop
.
jpg
English:
Swan
Peak
Quartzite
(Ordovician) exposed near Tony Grove Lake, Cache County, Utah. Date 16 July 2010
Tập tin:Hyolithe Spence Shale 01.png
Helens, Washington. Ash from the April 2013 eruption of Mount Etna.
Swan
Peak
Quartzite
(Ordovician) exposed just north of Tony Grove Lake, Cache County