Polished fossil stromatolite slab from Bolivia. BST108 peanut From the Marramamba Iron Formation

From the Marramamba Iron Formation in the Hamersley Ranges

TI263   Tiger Iron slab

Dimensions at widest points approximately 130 mm x 70 mm x 55 mm thick

110 mm x 85 mm x 10 mm thick

Dimensions at widest points approximately 120 mm x 70 mm x 25 mm thick

Polished fossil stromatolite slab from Bolivia. BST108 peanut From the Marramamba Iron FormationBST108 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 290 mm x 270 mm x 10 mm Weighs 1,283 grams