Geology
Beach Sands - What they are made of
While walking the Netarts and Oceanside beaches, you may have noticed our local sands are not all the same. They come in different colors.
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Beach Sands - Sand Bubbles and Sand Mounds
When you walk along the sandy beach and watch the waves flow onto dry sand during an incoming tide, you may notice hundreds of small mounds and round holes that form as the wave recedes.

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Beach Sands - Sand Trees and Squeaky Sand
What causes these strange patterns in the sand?
Why does sand squeak when we walk on it?
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Coastal Headlands of Cape Mears and Cape Lookout
Geologists have only recently unraveled the mysteries of the origin of the rock found in the Cape Mears and Cape Lookout headlands.
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Coastal Soils
The parent material for many of the forest soils found between Cape Mears and Cape Lookout is dominated by volcanic ash, andisols as they are called in the world of soil taxonomy.
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The Three Arch Rocks
About one-half mile off Oceanside are the massive, basalt arched sea stacks, the Three Arch Rocks.
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Zeolites of Oceanside
ERIONITE and ASSOCIATED MINERALS FROM OCEANSIDE, TILLAMOOK COUNTY, OREGON
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Need more information on this topic?
Click below to view other other resource publications:

Strong, Emory M.  1973.  Archaelogical Evidence of Land Subsidence on the Northwest Coast.  The Ore Bin, 35(7): 109-124.
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