Polished fossil stromatolite slab from Bolivia. BST107 stand-up Weighs 428 grams

Weighs 428 grams

Dimensions at widest points approximately 150 mm x 90 mm x 55 mm thick

380 mm x 90 mm  x 100 mm

Very unusual zoning as well as a cross-cutting quartz vein

Polished fossil stromatolite slab from Bolivia. BST107 stand-up Weighs 428 gramsBST107 Fossil stromatolite slab, polished on one side. This museum quality specimen has been cut at right angles to the bedding and displays the columnar structure beautifully ! From the Miraflores Formation, El Molino, Potos, Bolivia, South America. Age approx. 70 million years (Cretaceous) Dimensions at widest points approximately 345 mm x 180 mm x 10 mm Weighs 1,323 grams