Earth Science Picture of the Day

05/21/13 Bonneville Salt Flats and Pilot Peak

05/19/13 Moqui Marbles and Martian Blueberries

05/05/13 Gypsum Quarry Restoration at Ramon Crater

12/15/12 Metamorphic Rock Structure Reflected in Soil Profile

02/26/12 Dodecahedron Geode

01/29/12 Oil Platform in the Strait of Hormuz

12/10/11 Efflorescence

12/07/11 Bonneville Salt Flats Panorama

10/24/11 * Hot Springs, Yellowstone National Park

03/22/11 Rubies and Lapis Lazuli

08/16/10 * Blue Spring, Missouri

04/24/10 Sinai Desert Geode

04/20/10 Marooned Syncline

01/15/10 * Swiss Stone Pine

01/06/10 Champagne Pool

11/20/09 Witches Brew at Berkeley Pit

10/19/09 Sidewalk Chalk and the Calcium Cycle

10/17/09 Pyrite Crystal

10/09/09 Weathering of Dolomite in Rosendale, New York

07/14/08 Brazilian Quartz Crystal at Rock and Mineral Show