When Day and Night Collide

When Day and Night Collide

When Day and Night Collide, photo by Eric Hackney

We got some great Northern Lights last weekend, and so far summer 2015 has been great for the Aurora Borealis.

Eric took this stunning photo at twilight Saturday on Great Sand Bay. View it bigger and see more in his 7-11-15: Northern Lights III slideshow.

The Michigan Tech Geology Department’s page on Great Sand Bay says (in part):

This is a remarkable geological site, with many excellent examples of features to see.  There is a low energy beach with offshore sandbars, sheltered by a dramatic headland.  The headland is part of a resistent lava layer from the Lake Shore Traps, where there are underwater copper rich veins which cut across. A large copper boulder was removed for the display at Quincy Mine, but much remains of veins for diving here in the Underwater preserve.

Inland, within the Redwyn Dunes and George Hite Dunes are Coastal Dune Ecosystems with many perched dunes and vernal pools.  Perched dunes are dunes that are located above glacial deposits, moraines, outwash or glacial lake deposits. In this place vernal pools are between dunes and above post glacial lake materials.  All this makes for an unsual environment, well worth visiting. A 1 hr trail at Redwyn covers these features well.

Read on for lots more including photos, maps and aerials and get tons more about the Northern Lights including viewing and prediction tips on Michigan in Pictures!

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