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Alluvial Fan
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Published on Feb 29, 2016
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1.
Alluvial Fan
Forms when a stream meets flat ground. It is curve shaped, having coarse sediment.
Photo by
NASA Goddard Photo and Video
2.
Delta
Formed when a river meets standing water. It is triangular in shape, with deposits of sediment.
Photo by
feral arts
3.
Caves
A land form that is created over several years. It is formed by underwater erosion.
Photo by
archer10 (Dennis) (67M Views)
4.
Giant Crystals
Crystals formed over thousands of years. Created by groundwater that contains calcium and sulfur.
Photo by
Paul Williams www.IronAmmonitePhotography.com
5.
Sea Arch
Formed when erosion occurs on both sides of a cliff. The erosion eventually creates a hole in the middle of the cliff.
Photo by
dhilung
6.
Beach
Formed when waves deposit sand. The sand forms the beach along a shore.
Photo by
Easa Shamih (iZZo) | P.h.o.t.o.g.r.a.p.h.y
7.
Desert Varnish
A dark brown or black coating formed from iron and manganese. Usually found in the desert.
Photo by
arbyreed
8.
Sand Dunes
A hill that is formed when the wind deposits sand. Wind and sand are needed to form these dunes.
Photo by
The Knowles Gallery
9.
Horn
A peak that is left on top of a mountain after all sides erode. The peak is usually sharp.
Photo by
Richard Allaway
10.
Kettle Lake
A lake that is formed from massive chunks of ice, that have melted. These lakes can be found in Siberia.
Photo by
nbonzey
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