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Posted in response to Items from a glittery beach - Help Identify? from Kirsten on June 11, 2007 at 15:09:59:

Re: Items from a glittery beach - Help Identify?

Was just looking through my Audubon Rocks and Minerals Handbook at the photo plates. The closest thing on look a likes are (and I could be way of the mark on this) Gabbro, Gabbro (Diabase), Peridotite, Quartz-Mica Schist, Amphibolite (Hornblende Schist). Now keep in mind I am not a geologist, just someone who has a book. Also comparing rough (photos) to water worn (photos)is in itself a bit of a task. Again I hope someone with a better knowledge of the geology of Northern California and geology in general will help you to identify. Take care.

From Ward - June 11, 2007 at 16:25:12

Message: 64314

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