Granodiorite igneous rock from Dhoon

Description: Pale grey; fine- to medium-grained; quartz, feldspar and biotite. The biotite crystals occur in aggregates and may define a poor foliation.

Measurements: 4 1/2 inch x 3 3/4 inch x 2 1/2 inch.

Taxonomic name: Dhoon Granodiorite

Collection: Natural History Geology Collection

ID number: 1958-0279

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