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Photos 126 - 130 of 638
geology rock breccia oakland

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First of three. There's this boulder of chert breccia in a burned lot in Broadway Terrace, empty since the October 1991 fire. It has traces of brickwork and concrete around it, showing that the owners of the lot cherished this piece of bedrock--a knocker is what local geologists call outcrops like it--and if I lived there I would have too.
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Aug 04 2005 11:09 GMT curves PRO
Are they formed from a sort of slurry of different types of rock
Aug 04 2005 22:45 GMT PhotoPro PRO
alden, what is the scale of this boulder?
Aug 05 2005 04:50 GMT alden PRO
This is about 8 inches across. By the way, I've put this and seven other rock closeups on my site to use as wallpaper:

http://geology.about.com/library/bl/wallpaper/blwallpapercloseuprocks.htm
Aug 10 2005 00:51 GMT ramblipiee
Looks like being formed of different types of rock.
Beautiful texture.
Aug 11 2005 13:09 GMT PhotoPro PRO
I am sending this to my Dad to check out! Thanks!!

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