On 2012-10-09 15:39, bob mansfield wrote:
> Goeff:
>
> What you are looking at is an anticline or syncline - hard to tell on a
> photo - folds caused by compressional forces from a variety of sources.
> In oil producing territory anticlines are indeed potential prospects. In
> this case surface erosion ground off the top leaving the strata layers
> looking like a sliced onion.   It could be fault related - this area is
> located at the southern end of the San Andreas fault system and
> strike-slip motion along the fault can result in local folding.  I found
> a good introduction to southern californaia geology at:
> www.grossmont.edu,  search for "Geology of Southern California.pdf" by
> DeCourten.
>
> Bob Mansfield
>
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Hello Mr. Mansfield,

Yes,Yes,Yes :-)

That's what I remember.
But only after seeing what you wrote.
It also sounds like a book one might find
at the tourist shops. Ill have a look see.

Many thanks.
geoff
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