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LOT 3172:
Natural History - Graphitic Banded Iron Formation Cut Slab
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Start price:
£
1
Estimated price :
$30 - $40
Buyer's Premium: 30%
VAT: 8.875%
On commission only
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Natural History - Graphitic Banded Iron Formation Cut Slab
Eoarchean Era, 3.8-3.7 billion years BP
A polished slice of graphitic banded iron formation, showing light coloured layers of rich finely crystalline quartz with darker layers of iron oxide, with varying amounts of graphite; supplied in a glazed display box with information cards. 120 grams total, 82mm (3 1/4"). Fine condition. [No Reserve]
Provenance
From a Leicestershire, UK, collection; from Southwest Greenland.
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