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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
TI212 Tiger Iron slab
Large crystal lined cavity
grinding or polishing as the matrix holding the pisolites (small round pebbles) is in many cases quite soft
Weighs 300grams
cut in half
Polished fossil stromatolite. Pseudogymnosolenid type. DOG163 annular rings TI212 Tiger Iron slabDOG163 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. 145 mm x 65 mm x 7 mm thick. Weighs
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