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Weight is 349 grams
Weighs 50 grams
Slightly tapering thickness of 3 - 5 mm
polymictic
Weighs 287 grams
Polished fossil stromatolite. Pseudogymnosolenid type. DOG168 snakeskin Weight is 349 gramsDOG168 Fossil stromatolite slab, polished on one side. An as yet unidentified stromatolite, form of Pseudogymnosolenid type. The stromatolite occurs as small digitate columns which are finely laminated. It probably grew in shallow water conditions with intermittent subaerial exposure. From an unassigned unit of the Wyloo Group. Age is approx. 1. 8 billion years. From south west of Newman Western Australia. Approx. 85 mm x 85 mm x 10 mm thick. Weighs
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