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The 4 Corners

• UTAH, COLORADO, ARIZONA, NEW MEXICO

• An area in the United States where 4 states borders meet in 1 spot

http://www.travelpod.com/travel-photo/wherearethey/2006_travels/1151307540/image_0002.jpg/tpod.html

                                                                                                                                                                                                      

NO

• That is a stupid question. That is not me and my wife. It’s 2 random people. That guy doesn’t even look like me!

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The Eifel Tower is in the Grand Canyon?

• NO, silly….it’s just shown here to give you an indicator of how wide, and high the Canyon actually is!

Canyon Layers

• Although the rocks may look the same, the canyon is made up of many different layers much like a cake.

• The next slide lists the different rocks in 2 sections of the canyon

North Canyon & Nankoweap Layers• 4 Muav Limestone• 5 Redwall Limestone• 6 Supai Sandstone• 7 Hermit Shale• 8 Coconino Sandstone• 9 Toroweap Limestone• 10 Kaibab Limestone

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Sand

• Just as there are different types of rocks, there are different types of sand particles. We will be discussing these particles as we go on.

SAND TYPES

• Dune – Frosted Particles

well sorted. Moved by wind

Mountain Stream – Sand close to source of origin. Many different sizes/grains

• Beach – Particles w/ rounded edges. Moved by water