Polished Marble Bar Chert slab MB101 peanut wood 5 mm thick at widest

5 mm thick at widest points

Dimensions at widest points approximately 145 mm x  125 mm x 40 mm thick

Approximate weight of each piece is between 55 and 165 grams

Dimensions at widest point approximately 195 mm x 140 mm x 11 mm

Polished Marble Bar Chert slab MB101 peanut wood 5 mm thick at widestMB101 Marble Bar Chert slab, polished on one side. Dimensions at widest points approximately 130 mm x 60 mm x 9. 8 mm thick. Weighs 170 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 Earths oldest well preserved sedimentary rocks. From near the town of