Newlandia concentrica Problematic Stromatolite

Newlandia concentrica; Problematic Stromatolite

Geologic Time:Paleoproterozoic (2.0 Billion years old)

Size: mm (25.4mm=1 inch): 130 by 110

Location: Greyson Shale, Big Belt Mountains, Montana

Code: DS29

Not pretty, but of some historical interest, as Walcott described and named this strange and unique (i.e., problematic) stromatolite in 1914.

Fossils for Sale

Click to enlarge

Fossil Mall
l Quality Rare Fossils l Fossil Dealers l
l Ammonites for Sale l Trilobites for Sale l Fish Fossils for Sale l