| Title | Comment | Keywords |
|---|---|---|
| Minerals Formed By Biologic Processes | 24:25 - 24:45 (00:20) / 0.4 MB | mineral, "biological activity", oyster, pearl, sponge, coral, "calcium carbonate", "sea water", precipitation, calcite, aragonite |
Coastal & Marine Geology InfoBank
USGS CMG InfoBank Geology School: oyster |
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