ARC104. Fossil stromatolite slab, polished on one side.
These rare stromatolites are from the Archaean "Gindalbie Formation" with an age of approx. 2.6 - 2.8 billion years.
They have not been positively identified but have characteristicstypical of the group, Thyssagetes. It has been suggested that these stromatolites may have grown in hot springs associated with volcanism, rather than in a marine tidal to subtidalenvironment. They occur in the Eastern Goldfields area. Closest town is Kalgoorlie, Western Australia.
Approx. 260 mm x 140 mm x 14 mm thick .
Tumble Polished mixed Australian gemstones MXT101
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Starry Jasper SJ106
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Polished Lilac Mookaite MK281
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Polished Brecciated Mookaite BM240
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