Comments on: Breccia http://oaklandgeology.wordpress.com/2008/11/17/breccia/ focused on, near and under Oakland, California Tue, 18 Jun 2013 17:56:16 +0000 hourly 1 http://wordpress.com/ By: Andrew http://oaklandgeology.wordpress.com/2008/11/17/breccia/#comment-476 Tue, 18 Nov 2008 21:40:43 +0000 http://oaklandgeology.wordpress.com/?p=310#comment-476 I was staring at the brecciation more than the host rock. It may well be basalt, and welcome from the other side of the continent, Callan. Holly it may well be chloritized, or it may just be skylight. The rock was wet with dew and surrounded by greenery.

Darn, now I have to go back.

]]> By: Holly http://oaklandgeology.wordpress.com/2008/11/17/breccia/#comment-474 Tue, 18 Nov 2008 21:11:17 +0000 http://oaklandgeology.wordpress.com/?p=310#comment-474 Is the primary rock serpentinite? It’s got that slippery green color.

]]> By: Callan Bentley http://oaklandgeology.wordpress.com/2008/11/17/breccia/#comment-473 Tue, 18 Nov 2008 11:05:23 +0000 http://oaklandgeology.wordpress.com/?p=310#comment-473 Is the “host” rock a basalt? I think I might be seeing amygdules in there, and even in one of the larger fragments in the brecciated zone.

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