How Crushed Volcanic Rock in Farm Soil Could Help Slow Global .Feb 20, 2018 . A new study explores how planet-warming carbon dioxide could be absorbed . how spreading crushed volcanic rock on farms can increase carbon . could potentially offset a meaningful chunk of global carbon emissions.crushing rock and carbon footprint,Understanding the long-term carbon-cycle: weathering of rocks - a .Jul 2, 2013 . Carbon dioxide and rock weathering: the chemistry . The pH value of 7 (pure water) is neutral, values of 7 up to 14 are increasingly alkaline.
crushing rock and carbon footprint