Harbor notes
Glass shelves · bracketed field sheets
Description
CO114 DeGrussa copper ore slab
SU165 Sunset Jasper slab
DO194 Dendritic Opal slab polished on one side
Dimensions at widest points approximately 80 mm x 65 mm x 35 mm thick
80 mm x 55 mm x 8 mm
Polished Marble Bar Chert slab MB111 brecciated CO114 DeGrussa copper ore slabMB111 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 135 mm x 120 mm x 9. 5 mm thick. Weighs 369 grams. Marble Bar chert is a finely banded, iron rich silica rock from the Marble Bar Chert Member (Warrawoona Group) of Western Australia. Formed in shallow Archean seas, it dates to the Paleoarchean (~3. 46 billion years old), making it one of the Earths oldest well preserved sedimentary rocks. From near the town
Exchange/Return Notes
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