Igneous Petrology of the Spanish Peaks

Upcoming public lectures at Lathrop State Park for 2018 are June 16th and August 4th at 7:00 pm. See Lathrop State Park website for details.

Fieldtrips are being offered on June 17th and August 5th from 9 am to Noon. Contact brian at spanishpeakscolorado.com about price.

Brian S. Penn, Ph.D.

(c) Copyright 1995-2018

Introduction

Scenic Views (non-technical)

Age Information

Satellite Images

Map of Dikes and Stocks

Samples and Their Locations


Geochemical Data Sets

Major

Minor

Radiogenic

REE


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