Fifty Mountain. Glacier National Park, Montana. 1982.
Dates
Date Taken
1982-08
Summary
Glacier National Park, Montana. Fifty Mountain. Upper lava flow, overlain by fine grained Snowslip sedimentary rock with same filling a cooling crack. There is a 2 to 3-centimeter bleached, oxidized zone on the upper surface of the lava flow. August 1982.
Summary
Glacier National Park, Montana. Fifty Mountain. Upper lava flow, overlain by fine grained Snowslip sedimentary rock with same filling a cooling crack. There is a 2 to 3-centimeter bleached, oxidized zone on the upper surface of the lava flow. August 1982.
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