Greywacke Specimens (Sedimentary Rock), Approx. 1" (3cm) - Pack of 12

CA$23.70
CA$19.00
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SKU:
K-206500
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Product Overview

Greywacke is a sedimentary rock composed of large, angular clasts within a fine-grained clay matrix. Formed during underwater avalanches, these rocks are often found on distal ocean shelves. Ideal for identification & classification exercises. Useful when digging deeply into sedimentary petrology .
While each specimen will vary slightly in shape, size and color, it will measure approximately 1" in length. Pack of 12. Each set is individually packaged, labeled & barcoded for easy identification and storage.