Calcium carbonate and climate change
Monday, August 30, 2010 - 05:56
in Earth & Climate
(PhysOrg.com) -- What links sea urchins, limestone and climate change? The common thread is calcium carbonate, one of the most widespread minerals on Earth. UC Davis researchers have now measured the energy changes among different forms of calcium carbonate, from its messy noncrystalline forms to beautiful calcite crystals that could lock away carbon underground for thousands to millions of years.