Assorted glacial erratics

Description: A selection of glacial erratic pebbles including: plagioclase porphyry; coarse-grained, quartz-rich greywacke; pink, heavily weathered granite; Ailsa Craig reibeckite microgranite.

Taxonomic name: glacial erratic: pebbles

Collection: Natural History Geology Collection

ID number: 1975-0150

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