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Wineglass - Prominent Geological Features of Crater Lake National Park

 
Located on the northern Crater Lake caldera rim, Wineglass is a slide formation caused by erosion, that, when viewed from the opposite shore, resembles an enormous stemmed glass.

To the right of the Palisades is the scree chute known as the Wineglass. The bowl of the glass is scree from the three Holocene pumice-fall deposits and the overlying Wineglass Welded Tuff and proximal ignimbrite; the stem of the glass crosses subglacial and subaerial andesite of Applegate Peak lying on glacial till obscured by talus ... [Scientific Investigations Map 2832, Sheet 3 of 4, Geologic Map of Mount Mazama and Crater Lake Caldera, Oregon (2008)]

Wineglass, Crater Lake National Park, Scientific Investigations Map 2832, Sheet 4 of 4, Geologic Map of Mount Mazama and Crater Lake Caldera, Oregon (2008), by Charles R. Bacon

Note: the numbers associated with each feature name above correspond to their place on the Custom Google Map below

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