Steven Dutch, Natural and Applied Sciences, University
of Wisconsin - Green Bay
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| Our ride to the Cullains. |
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| Somewhere about here is about the last time I saw my Brunton compass. If you find it, mail it to me. |
| The Cullain Complex is a large laccolith related to the early opening of the North Atlantic. Here we see layers of huge pyroxene crystals (5 cm is not uncommon) interbedded with finer-grained dunite. |
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| Reddish-weathering olivine in pyroxenite. The flow structures display channels, cross-bedding, and all the features you'd expect to find in a sedimentary rock. |
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Created 7 April 2003, Last Update 03 December 2005
Not an official UW Green Bay site