what is an upside down mountain?

Update:

Apparently this is an "age old question"??? A friend of mine is doing a native studies course and this was one of the questions. Perhaps it is to show the different perceptions people have.

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  • Favorite Answer

    Subduction zone trench or a basin.

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  • 1 decade ago

    All sediments are deposited flat. Over time, they are cemented together and can be deformed by any type of tectonic motion. One type of deformation can cause what are called synclines and anticlines. Imagine running your hand over the table cloth and bunching it up. The lows are synclines, the highs are anticlines. Depending on climate, rock type, etc., the anticlines are eventually eroded away, leaving the synclines as the high points. (The outside, high folds are more fractured so erode more easily, the inside, low folds not so fractured.) Lots of examples of these in the Appalachian region's geology. An upside down mountain?

    Source(s): degree in geology
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  • 1 decade ago

    A volcano

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  • Anonymous
    1 decade ago

    A submarine canyon.

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  • Sage
    Lv 6
    1 decade ago

    A valley?

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  • exodus
    Lv 5
    1 decade ago
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