Polished Marble Bar Chert MB106

 MB106

Marble Bar Chert. Cut and polished on one side with a rough, natural back and a cut base to stand as a display specimen !

Dimensions at widest points approximately 160 mm x 120 mm x 45 mm thick. 

Weighs 1,607 grams.

Marble Bar chert is a finely banded, iron-rich silica rock from the Marble Bar Chert Member (Warrawoona Group) of Western Australia. Formed in shallow Archean seas, it dates to the Paleoarchean (~3.46 billion years old), making it one of the Earth’s oldest well-preserved sedimentary rocks.

From near the town of Marble Bar in Western Australia.