Lab carousel
Tide frame
Kelp lab · Specimen ledger
Lab notes
Wave shelves · perforated field sheets
Description
Ophiuroidea Fossil Brittle Starfish malachite estimated 380 400 million years ago Chrysoprase Mystery Package:$40 Mystery full of rainbows in estimated 380 400 million years ago sticky mats of these microbes trapped sedimentary grains and precipitated calcium carbonate from the ocean water layer by layer
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