NOVA Annandale | Geology | Bentley | Field trip photos
Summer 2007 GOL 105 field trip to the Billy Goat Trail
Lamprophyre (basalt) dikes on the VA side of the river.
 
Students observing geologic features.
 
Pothole alley #1.
 
Pothole alley #2.
 
Pothole alley #3.
 
Pothole alley #4.
 
Lunching at Mather Gorge.
 
Bryan & Arvinder, close to the edge.
 
A welcome rest break & refueling stop.
 
Lunch in the shade.
 
Boulder of the Catoctin greenstone (meta-basalt), transported ~30 miles eastward by the ancestral Potomac River.
 
Shaina checks out the migmatite.
 
Shaina checks out the migmatite even closer.
 
Sandra shows you where the migmatite is.
 
Students enraptured by migmatite.
 
We love that migmatite.
 
Weathered boulder of massive metagreywacke, showing its true color, and a blue trail blaze.
 
Climbing the traverse, #1
 
Climbing the traverse, #2
 
Climbing the traverse, #3
 
Climbing the traverse, #4
 
Climbing the traverse, #5
 
Climbing the traverse, #6
 
Climbing the traverse, #7
 
Climbing the traverse, #8
 
Climbing the traverse, #9
 
Climbing the traverse, #10
 
Migmatite.
 
Geese & goslings & Sandra & Caitlin.
 
Fold in metagreywacke.

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