Hill Annex Mine Fossil Gallery

Fossils From the Cretaceous Era Coleraine Formation in Calumet, MN

Fossils found on July 08, 2017

													

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Gastropod and Mollusk
at various angles

Found at the "Public Pile"

Combined Gastropod and Mussel
Found by a tourist as I recall

Wood
Found by a tourist as I recall

Very large Mussel
Found by someone from the Cuyuna Agate club
at the "Snail Boulder" part of the public pile

Ammonites and some large gastropod filled rocks
Found at the "Snail Boulder." Note on the Ammonites how eroded the exposed surface is. The buried surface has the suture patterns intact. The ammonite species Metoicoceras bergquisti.