Quoting josh rosenfeld <dax1@...>:

Greetings, I am a geologist from Costa Rica and I agree with you about Nicoya
Peninsula. I am sure that it will be an exiciting place to visit. I hope to stay
there when you will stay in Costa Rica.

Regards, Martin

> Dear Dr. Giunta:
> Rob Rogers sent me a copy of your note, and I am very interested in your
> foray into Guatemala. I suggest that you visit the Santa Cruz ophiolite
> which was the subject of my Ph.D. dissertation (Rosenfeld, SUNY-Binghamton,
> 1981). The Motagua Ophiolite Trend, with few exceptions (i.e. the Juan de
> Paz ophiolite described Muller in his dissertation, SUNY-Binghamton, 1980)
> is quite dismembered and metamorphosed. These ophiolite fragments are very
> interesting and should be compared with the unmetamorphosed and
> stratigraphically continuous suite exposed in the western Sierra de Santa
> Cruz north of the Polochic Valley and Lake Izabal. The key road link for
> manageable access is between the towns of Panzós and Cahabón.
>
> I also notice in your Costa Rica segment that you don\'t mention a visit to
> the Nicoya Penensula nor the Santa Elena Peninsula. Since Nicoya consists
> almost completely of basalt (Caribbean crust?) while Santa Elena is purely
> serpentinite (proto-Caribbean??). I find the relationship between these two
> exposures to be rather mysterious
>
> Please contact me if you think I can be of help in any way. It sounds like
> a great outing.
>
> Josh Rosenfeld
>
>
>
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