concretion

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concretion

concretion

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 April 11, 2008
distressbark
on Feb 23, 2009 7:38 am
Lat/Lon: 47.59783°N / 103.32766°W
Image ID: 492237

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Viewing: 1-4 of 4
yatsek

yatsek - Feb 23, 2009 3:27 pm - Voted 10/10

Fine Basketball

More info about the game would do:-) You can attach it here as well.

Dow Williams

Dow Williams - Feb 23, 2009 5:31 pm - Voted 10/10

fascinating

rock!

lcarreau

lcarreau - Feb 23, 2009 7:30 pm - Voted 10/10

I think THAT "basketball"

is better left alone. Amazing contrast!!!

tarol

tarol - Aug 22, 2010 2:45 pm - Voted 10/10

Fabulous

Very interesting and a great photo!

Viewing: 1-4 of 4