St. Francois Mountains, April 2006

Igneous and Metamorphic Geology Field Trip

Please note: all photos are copyright 2006 Alan Whittington.
Please feel free to use them for academic or other non-profit purposes.
For all other uses, or higher resolution images,
please contact me at whittingtona@missouri.edu

This goes for other pictures on this site too, although why you would want them I don't know...


Also check out pictures from 2003 and 2004 and 2005

Page 2: Sunday (Saturday is on page 1, People are on page 3)

14. Flow banding (?) in Royal Gorge Rhyolite, Taum Sauk Mtn. Note tension gash.
The four competing hypothesis for this outcrop include: ash fall, ash flow (basal surge?), rheomorphic ignimbrite, rhyiolitic lava flow

 

15: Trachytes on Crane Mountain


16. Epidote-hematite veins

 

17-22. Elephant Rocks State Park

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Enclave in Graniteville Granite (two-mica granite Central Pluton).
You can find this just right of the overlook of the flooded quarry, behind the Elephants

 

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23-25. Columnar jointed rhyolite on Hughes Mountain

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