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TIR160 Tiger Iron rough rock
This specimen is from east of the Darling Ranges just outside the city of Perth
Dimensions at widest points approximately 90 mm x 60 mm x 60 mm thick
Dimensions at widest points approximately 260 mm x 170 mm x 12 mm thick
Polished Marble Bar Chert slab MB114 red jasper TIR160 Tiger Iron rough rockMB114 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 140 mm x 90 mm x 9 mm thick. Weighs 188 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
