Lithified ripples in precambrian mudstone sediment, Belt Supergroup, Helena formation (?), 1,400 million years old
Current ripples (most likely lacustrine) along North Fork Road near Glacier Montana, about 1foot wide. 11U 709960E 5384467N (3308ft)
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Uploaded on May 28, 2021
Taken on September 20, 2020
Lithified ripples in precambrian mudstone sediment, Belt Supergroup, Helena formation (?), 1,400 million years old
Current ripples (most likely lacustrine) along North Fork Road near Glacier Montana, about 1foot wide. 11U 709960E 5384467N (3308ft)
2,818
views
48
faves
1
comment
Uploaded on May 28, 2021
Taken on September 20, 2020