Calcium carbonate

Consider calcium carbonate as a sink for carbon dioxide - there's alot in, under and associated with current and former oceans.

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... editior,April 15,1958) 3. the impermeable exoskeleton,strengthened with calcium carbonate,protects the crab from desiccation in air. http://www.seafriends.org.nz/enviro/crust/grapsida.htm#Helice ...

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... Next: Spicules Small, hard bodies of silica or calcium carbonate that serve as the skeletal elements in sponges. Nudibranch Shell-less marine snails. ...

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... poly(e-caprolactone), polydioxanone, polyanhydride, trimethylene carbonate, poly(ß-hydroxybutyrate), poly(g-ethyl glutamate), poly(DTH iminocarbonate), ... PLGA, ethylene oxide block copolymers), and inorganic materials (tricalcium phosphate, calcium carbonate, nonsintered hydroxyapatite If you're ...

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... many notable seaweeds. Most of the coralline algae, which secrete calcium carbonate and play a major role in building coral reefs, belong here. Red algae such as dulse ...

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