Sipapu Natural Bridge

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by jackster123321
Last updated 7 years ago

Discipline:
Science
Subject:
Environmental Studies
Grade:
7

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Sipapu Natural Bridge

Sipapu Natural Bridge

Sipapu Natural Bridge Diagram (image2)

Sipapu Natural Bridge (image1)

Bibliography:

http://th06.deviantart.net/fs70/PRE/i/2013/161/1/f/seamless_stone_cliff_face_mountain_texture_by_hhh316-d68i26q.jpgimage1 - http://upload.wikimedia.org/wikipedia/commons/b/b0/Sipapu_Bridge_1.jpgimage2 - http://www.nationalparkstraveler.com/2014/06/trails-ive-hiked-sipapu-bridge-trail-natural-bridges-national-monument25273http://www.montessoritraining.net/elementary_program2/courses/physical_geography/sample_lessons.pdf

The Sipapu Natural Bridge is found in the USA, specifically in Utah and is in the White Canyon as you can see by image2, and is north and northwest of Natural Bridges National Monument and Natural Bridge, as you can also see below. (Use the zoom feature)The Sipapu Natural Bridge is a whopping 220 feet tall with an impressing 268 foot span! This thing is huge!

The Sipapu Bridge is made out of white Cedar Mesa Formation Sandstone, and it has formed by the rock becoming narrower from erosion, and resultant landforms, meaning that this bridge could've been formed by a mountain glacier.Since it is usually humid and warm at around spring, if we permanently changed the weather to a windy, rainy and cold atmosphere, how would this impact the Bridge?Well, what I think has happened here is a type of weathering called 'mechanical weathering'. It is the breakdown of rock to sand, and then to usually powdered rock, and finally to clay.Heat and cold will cause minerals inside a rock to expand or shrink, and this creates cracks. That's why you see so many cracks on the Sipapu Natural Bridge.If water somehow seeps into those cracks, the rock will split. As far as wind goes, wind can carry sand and act as sandpaper, slowly grating the rock.

In conclusion, the Sipapu Natural Bridge would gain a substantial ammount of cracks and slits in the bridge itself it might end up cracking and falling.This is assuming that there is a lot of wind, rain, and temperatures are below 17 celcius. The wind would cause the rock and bridge to deform, making it slimmer and narrower because of the sandpaper-like effect.So the bridge has the chance of falling, or decreasing its size over a large period of time.


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