St. Francois Mountains, March 2003

Igneous and Metamorphic Geology Field Trip

Please note: all photos are copyright 2003 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 pictures of the cats too, although why you would want them I don't know...


Page 1: Saturday, Silvermines to Elephant Rocks (click here for page 2)

1. The Silvermine granite. John, Paula, Jon, Steve, Eric, Peter, Jim, and Geoff

 

2. The Silvermine granite

3. Entrance to the Einstein Mine

 

4 and 5. The weird tree at Tiemann Shut-Ins

 

6 and 7. Aplite dikes cutting mixed granite and intermediate blobs at Tiemann Shut-Ins

 

8 and 9. Horns on aplite dikes at Tiemann Shut-Ins

 

10. Mafic Dike in Grassy Mountain Rhyolite

 

11. The Great Unconformity and Mafic Dike

12. Mafic Dike in Grassy Mountain Rhyolite

 

14. Overlapping segments of a thin mafic dike

 

15. View from Knob Lick over the Butler Hill pluton (low-lying) surrounded by marginal plutons (hills in distance)

 

16. Paula looking at a hand sample

17. The Knob Lick Quarry

 

18. Rhyolite xenolith in Knob Lick granite

19. Knob Lick granite intruding rhyolite (note contact)

 

20. Epidote mineralization in Knob Lick granite

 

22. Two facies of the Butler Hill pluton

 

23. xenoliths in rhyolite

 

24. Normal fault in red rhyolite

25. Jim, Eric, Jon and the normal fault

 

26. Intrusive (?) contact betwen red and black rhyolite

27. Or is it faulted?

 

28. Rhyolitic breccia near Killarney Lake

 

29. John and plumose structure

30. Plumose structure (not an impact site!)

 

31. The Battle of Pilot Knob: Septermber 27, 1864; 1.00 to 2.30 p.m.

 

33. Geoff, Eric, Peter and Paula looking through the tailings pile

 

34. Graniteville granite

 

35. Quarry at Graniteville

36. Graniteville - the World's finest red granite

 

37. Elephant Rocks

38. Elephant Rocks

 

39. Elephant Rocks

40. Elephant Rocks

 

41. Elephant Rocks

42. Elephant Rocks

 

43. Elephant Rocks

45. Elephant Rocks

 

46. Elephant Rocks

47. Elephant Rocks

Page 2


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