"An arête is a thin, almost knife-like, ridge of rock which is typically formed when two glaciers erode parallel U-shaped valleys. The arête is a thin ridge of rock that is left separating the two valleys. Arêtes can also form when two glacial cirques erode headwards towards one another, although frequently this results in a saddle-shaped pass, called a col. The edge is then sharpened by freeze-thaw weathering. The word "arête" is actually French for fishbone; similar features in the Alps are described with the German equivalent term Grat or Kamm (comb)." WIKI. CAN SOME ONE FIND MORE INFO I CAN"T FIND ANY MORE...
2007-12-02 04:02:17 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
how it is created by glacier...
where in canada is it found...
how do humans use this feature... if any
2007-12-02 04:03:23 · update #1
okay most importantly i need to know where it can be found in canada...
2007-12-02 04:16:18 · update #2
Well that tells you how it is formed by glaciers.
Two side by side glaciers erode away the rock except for a thin bit that is in between them.
Do you have a geology lab manual? If so, you maybe able to find information if it has a glaciers chapter in easier to understand terms.
I am not overly familiar with Canadian glaciation, so I can't be much help there.
Well obviously, you can find these things in the Canadian Rockies, but I can't get any more specific than that. Do a web search on Google Scholar.
http://digital.lib.uiowa.edu/cdm4/item_viewer.php?CISOROOT=/geoscience&CISOPTR=101&CISOBOX=1&REC=1
2007-12-02 04:07:16 · answer #1 · answered by Lady Geologist 7 · 0⤊ 0⤋