Duck Creek Dolomite - 4.368" Stromatolite Formation phylloceras 448g fragment of Martian meteorite

448g fragment of Martian meteorite NWA 7397

which fragments the stone during formation and recombines it into a solid material

Sizing and Fit

and O-rings: inside the space shuttle challenger disaster

Due to each stone's unique shape and coloring

Duck Creek Dolomite - 4.368" Stromatolite Formation phylloceras 448g fragment of Martian meteoriteWith its striking orange coloring and limestone like properties, Duck Creek Dolomite is both a beautiful formation and a curious geological phenomenon. Abundant in ancient deposits but rarer in newer formations, Dolomite continues to puzzle geologists. This specimen is a 4. 368" piece of Dolomite from Duck Creek, a part of Western Australia's Ashburton Basin, dating to 1. 8 billion years ago. It shows evidence of a stromatolite fossil, a prehistoric