Algae contributing to petroleum deposits Apr 25, 2010 1:01:17 GMT Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by schnautzr on Apr 25, 2010 1:01:17 GMT New KeralaAlgae contributing to petroleum deposits from hundreds of millions of yearsNews articleIf anyone wants to make a green algae called Botryococcus braunii, it looks like it dated back to the Carboniferous and is still around today.