North American Continent Boundaries Essay

1.North American Continent Boundary: The North American Continent Boundary is where North America used to meet the pacific Ocean. Until subcontinents (Example:Northern Cascade Subcontinent, Okanagan Subcontinent) latched onto our continent and made most of Washington. The North American Continent is also slowly moving west due to Pangea breaking apart. That means that the Pacific Ocean is slowly getting smaller and that the Atlantic Ocean is slowly getting bigger 2 to 3 inches per year.

2.Kootenay Arc: The Kootenay Arc is an area of deformed crust that was formed when the Okanagan subcontinent crashed into the old North American continent about 100 million years ago. This formed an uplifting of sedimentary rock to occur. Over the years much of the collided
This land mass also filled the Okanagan Trench. 6.Cascades Volcano chain: The Cascades Volcano Chain is a volcano chain that runs through Washington, Oregon, and Northern California. The Cascades are also part of the Ring of Fire that surrounds the Pacific Ocean. The chain was formed by subduction along the Cascadia subduction zone.

7.Olympic Peninsula: The Olympic Peninsula is Washington's biggest peninsula and is surrounded by the Pacific Ocean. The Olympic Peninsula was formed when micro continents attached onto North America, which means it is made out of basalt. Some of the cities that are on the Peninsula are Port Angeles, Deer Park, and Mora.

8.Puget Sound Lowlands: The Puget Sound Lowlands are one of the five regions that make up Washington. The Puget Sound was created by glaciers that carved out the land as they moved. The Puget sound also has the largest population out of the four regions and is surrounded by the Willapa Hills, Olympic Peninsula, Cascade Volcano Chain, and the Northern Cascade