Archive for June, 2010

Rock 365 : Day 181 : Welded Tuff

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Rock 365 : Day 180 : Ash Flow Tuff

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Rock 365 : Day 179 : Crystal Lithic Lapilli Tuff

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Rock 365 : Day 178 : Crystal Lithic Tuff

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Rock 365 : Day 177 : Andesitic Crystal Lithic Tuff

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Rock 365 : Day 176 : Crystal Lithic Lapilli Tuff

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Rock 365 : Day 175 : Crystal Lithic Vitric Tuff

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