concretion | [ Sizes: Orig | Large | Med | Small | Thumb ] |
North Unit
dictionary.com defines a concretion as: Geology. a rounded mass of mineral matter occurring in sandstone, clay, etc., often in concentric layers about a nucleus
4/11/08
Comments
[ Post a Comment ]| yatsek | Fine Basketball | | 
Voted 10/10 | More info about the game would do:-) You can attach it here as well. | | Posted Feb 23, 2009 3:27 pm |
| Dow Williams | fascinating | | 
Voted 10/10 | rock! | | Posted Feb 23, 2009 5:31 pm |
| lcarreau | I think THAT "basketball" | | 
Voted 10/10 | is better left alone. Amazing contrast!!! | | Posted Feb 23, 2009 7:30 pm |
| tarol | Fabulous | | 
Voted 10/10 | Very interesting and a great photo! | | Posted Aug 22, 2010 2:45 pm |
|  Rate This Image Current Score: 89.56%  Loading... To Vote
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Theodore Roosevelt National Park > Image
Theodore Roosevelt National Park (Area/Range)
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