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Published byGrace Sneller Modified over 9 years ago
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The Coastal Ranges of Washington and Oregon Yao Yao and Tyler Szwarc http://upload.wikimedia.org/wikipedia/commons/3/3d/Northern_Oregon_Coast.jpg
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Part of the Pacific Coast Ranges Three Geographic Areas: Olympic Mountains, Willapa Hills, Oregon Coast Ranges Precipitation 60-240 inches Temperature 32F-53F
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Depth (km) StructureV P-Wave (km/s) 1-3Near Surface Crust 2.9-5.2 3-30Upper/Middle Crust 6.1-6.5 30-45Lower Crust7 45Moho
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Physical Characteristics Elevation ranges from sea level to 1248 m (Marys Peak) Average elevation is 460 m Bedrock geology primarily consists of pillow lavas and basalt flows http://www.pmel.noaa.gov/vents/laubasin/images/pillow_lava1-lores.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/OregonCoastRangeRocks.J PG/800px-OregonCoastRangeRocks.JPG
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Late Cretaceous (66 Ma) Late Eocene (36 Ma) Present Day Pillow Lavas (Purple) Basalt (Red) 500 km North South
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