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Hand Sample: Porphyritic fine-grained light-pink and black phenocrysts in a reddish-purple-brown matrix. Hospitable to grey-brown lichen.

A ferruginous sample.

Both thin section images were taken at a 400x magnification.

Kingdom: Animalia Phylum: Arthropoda Class: Malacostraca Order: Decapoda Family: Anomura Genus: Species:

Hand Sample: Aphanitic light gray hawaiite. Sample contains sparse vesicles that are generally 0.1cm or less in diameter.

Hand Sample: Aphanitic light gray hawaiite with inclusions containing numerous vesicles. Inclusions are darker in color with abundant vesicles less than 0.01cm in diameter. The surface of the sample is heavily weathered, resulting in sample's tan…

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Kingdom: Animalia Phylum: Brachiopoda Class: Articulata Order: Family: Genus: Species:

Kingdom: Animalia Phylum: Cnidaria Class: Anthozoa Order: Halysitida Family: Halysitidae Genus: Species:

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