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