Browse Items (35 total)

  • Collection: (BB) Boulder Batholith Suite -- Montana

pre-batholith volcanic

possibly crystal tuff

iron-stained

BB.pdf

medium grained, medium gray w/ pinkish tint

basic

from large sill

ignimbrite layer in a welded tuff

massive, tabular, sharp-edged blocks

intrusive

Output Formats

atom, dcmes-xml, json, omeka-xml, rss2