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Point Reyes writeup - March 19, 2014 Environmental Physical...

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March 19, 2014Environmental Physical Geology of the ParksPoint Reyes Field TripStop1:1.Pillow basalt, mafic volcanic rock2.Underwater - in the ocean3.It formed from a subduction zone as the oceanic crust was scraped off by the continentalcrust as it submerged underneath it.4.As the oceanic crust submerges underneath the continental crust, the oceanic crust getsscraped off and forms tubular shapes as layers pile on top of each other back and forth.Stop 2:1.About 16 to 20 feet.2.Salinian basement rock3.Granodiorite, tonalite, and granite.4.Franciscan complex5.Greywecke, mudstone, and limestone6.Movement of fence, displacement of stream (offset), and train tracks that weremoved/offset by the earthquake.Stop 3:1.They grow the baby oysters indoors then they are about a half an inch big they feed themgreen food and put them out into the bay using several different methods.They either putthem in bags that float or ones that go down deeper or they put them around poles that sit

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Term
Spring
Professor
AliceBaldridge
Tags
Geology, Plate Tectonics, Granite, Basalt, Subduction, Point Reyes, Point Reyes Wilderness

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