tag:blogger.com,1999:blog-360614506818167717.post4360089789703287897..comments2024-01-27T16:00:39.065-08:00Comments on History of the Earth: January 30. Snowball Earth? 650-775 million years agoRichard Gibsonhttp://www.blogger.com/profile/03330538991049552829noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-360614506818167717.post-91936870216873729442014-05-30T15:35:32.796-07:002014-05-30T15:35:32.796-07:00Calcium in the oceans would (potentially) react wi...Calcium in the oceans would (potentially) react with carbon in the water (or atmosphere) to make calcium carbonate (limestone) that would have precipitated and thereby sequestered the carbon. I misspoke when I said "less calcium to make CO2" - should have said "less carbon to make CO2" - because it had combined with calcium in the ocean to take it (the carbon) out of the atmosphere, therefore less CO2. Richard Gibsonhttps://www.blogger.com/profile/03330538991049552829noreply@blogger.comtag:blogger.com,1999:blog-360614506818167717.post-78737639088825535872014-05-30T13:50:20.358-07:002014-05-30T13:50:20.358-07:00at minute 6 you mention Ca eroding into the ocean ...at minute 6 you mention Ca eroding into the ocean and "that could make less CO2" - how does that work?Dr Jon Rohdenoreply@blogger.com