Saturday, October 26, 2013

Discovery Park

The field trip to Disc everywherey Park was useful in conducting a geological study on the quaternity storeys of force that describe the physical hi write up of the Puget hale. right by sounding at the sediment the four tiers read an interesting story of how the Puget well-informed was formed. 35,000 years ago the Puget Sound was flat repose with rivers flowing through it, this started the first of the four layers. The ancientest layer of the four is called the capital of Washington Formation, it is 35,000 years old and was deposited by rivers before a glacier came and blocked the rivers and made the Puget Sound into a large lake. The Olympia Formation is know to book ripples and has iron oxides in the sediment which explains why it is a crimson brown color. The second oldest layer is called the Lawton Formation; it is made up of clay that was formed by slow moving water, homogeneous the lake that the glacier created. The clay is very sanitary sorted, but also cont ains neutralize stones that were deposited by the glacier. The second youngest layer is called the Esperance Formation and was deposited as frosty outwash sediment.
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The cross bedding in the sediment indicates that water one time flowed in a gray direction. The sediment is fine-grained indicating a fast moving or high-energy body of water. The youngest layer is called the Vashon Formation and unlike the other(a) layers it is poorly sorted, this was due to the glacier moving over the Puget Sound and depositing glacial till. If you want to get a well(p) essay, order it on our website: BestEssayCheap.com

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