Polished Tiger Iron slab TI220 rock blocks 1 billion years
Platform notes & fabric story
Description
1 billion years
rough rock cut and polished on one side with a rough
From north of Kalgoorlie
Conophyton garganicum australe from the Mesoproterozoic "Top Camp Formation"
KA137 Kumarina Agate
Polished Tiger Iron slab TI220 rock blocks 1 billion yearsTI220 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 55 mm x 50 mm wide x 5 mm thick. Weighs: 44 grams From the Cleaverville Formation, Ord Ranges near Port Hedland, Western Australia. Age is over 3 billion years. Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite magnetite, red jasper and chatoyant golden tiger eye.