View across the central Barberton Greenstone Belt toward Barite Valley.
Three phases of the intrusion can be discerned in this outcrop.
showing mafic enclaves and drill core sampling holes
with sampling core holes in evidence!
Barberton Greenstone Belt, South Africa
Barberton Mountain Land, South Africa
Graptolite fossils, used to deduce the precise position of the Ordovician / Silurian stratigraphic boundary in southern Scotland, near Moffat.
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