Tag: "concretions"
Placing a Bet on the Surface of Mars
As Curiosity gets ready to use its rock drill for the first time, we can hypothesize on what it will find.
Post on Jan 17, 2013 by Andrew Alden from QUEST Northern California
Confounding Concretions
Not crystals, not meteorites and not fossils, concretions puzzle people who find them. Geologists find them only slightly less puzzling than the general public.
Post on Jan 12, 2012 by Andrew Alden from QUEST Northern California
