Bryce Canyon
Published on Nov 21, 2015
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PRESENTATION OUTLINE
BRYCE CANYON
NATIONAL PARK
LOCATION
SOUTHWESTERN UTAH,
AREA
IT IS 56 SQUARE MILES
HOODOOS
ROCK TYPES: SLITSTONE, MUDSTONE, BUT MOSTLY LINESTONE
FORMATION
MAINLY FORMED BY FROST WEDGING AND ACID PRECIPITATION
FROST WEDGING
Utah has over 200 freeze/thaw cycles per year. When the water freezes it expands by 10% and creates cracks in the rock that can be exposed to acid precipitation.
ACID PRECIPITATION
OR CARBONIC ACID
The limestone layers in the rock are dissolved by the carbonic acid in the rain. They fall and are weathered grain by grain. The texture of the hoodoos comes from the layers of mudstone and siltstone that are more resistant to carbonic acid.
SOURCES
- The National Parks Service Website: http://www.nps.gov/brca/learn/nature/hoodoos.htm
- Dessert USA Website: http://www.desertusa.com/utah-desert/hoodoos.html
