MC128 Marillana Conglomerate slab, cut and polished on one side .
Dimensions at widest points approx. 215 mm x 155 mm x 11 mm thick.
Weight is 580 grams.
.
From Marillana station in the Pilbara region of Western Australia.
Conglomerate is a sedimentary rock consisting of individual pebbles (clasts) within a finer-grained matrix that have become cemented together. Conglomerates are a very common rock type that occur in numerous locations world wide. The clasts in this example are comprised mainly of banded jaspers, quartz and chert.
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