Figure 6.22l. Leucosome Host for Zircon. A zircon age of 1770 Ma was obtained from this granite leucosome produced by partial melting during the Big Sky Orogeny. 6 cm diameter lens cap for scale. John Brady photo.
Figure 6.22l. Leucosome Host for Zircon. A zircon age of 1770 Ma was obtained from this granite leucosome produced by partial melting during the Big Sky Orogeny. 6 cm diameter lens cap for scale. John Brady photo.
