Category:Aplite dikes in Montana

Subcategories

This category has the following 2 subcategories, out of 2 total.

A

Aplite dike in Butte Quartz Monzonite (Cretaceous; Orphan Boy Mine, Butte, Montana)‎ (7 F)
Aplite dike in Butte Quartz Monzonite (Cretaceous; roadcut near Butte, Montana)‎ (19 F)

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