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Alluvial fan

earth science Maturity 7-9

Rocks and sand move down mountains.

Alluvial Fan.jpg
Alluvial Fan.jpg
They flow out from narrow paths. Then they spread out wide. This makes a shape like a fan. It can even happen on Mars!
PIA22210-Mars-CuriosityRover-GaleCrater-20171025-annotated-cropped-alluvial-fan.jpg
PIA22210-Mars-CuriosityRover-GaleCrater-20171025-annotated-cropped-alluvial-fan.jpg
Have you seen a shape like this?

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🖼️ Images & Media (7)
File:Alluvial fan 01.JPG
Alluvial fan 01.JPG
File:Alluvial Fan.jpg
Alluvial Fan.jpg
File:Gigantic Alluvial Fan Being Uplift by New Fault.jpg
Gigantic Alluvial Fan Being Uplift by New...
File:Alluvial Fan of Rawa Danau.png
Alluvial Fan of Rawa Danau.png
File:Alluvial fan, Taklimakan Desert, XinJiang Province, China, NASA, ASTER.jpg
Alluvial fan, Taklimakan Desert, XinJiang...
File:Pebble bed in the New Red Sandstone - geograph.org.uk - 2188766.jpg
Pebble bed in the New Red Sandstone -...
File:PIA22210-Mars-CuriosityRover-GaleCrater-20171025-annotated-cropped-alluvial-fan.jpg
PIA22210-Mars-CuriosityRover-GaleCrater-20...
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📚 Content adapted from Wikipedia | Readability: FK 13.4 | Vital Level 4