The Objects > General Questions

canyons/crevices on the moon

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Hrubyn:
What is te source of the canyons/crevices on the moon. What created them, or how they were formed??

Geoff:
Hi Hrubyn and welcome to Moon Zoo.

The closest thing to canyons on the Moon would be rilles and cracks and I guess, valleys between mountains. Also, if the roof of a lava tube collapsed it would form a sort of canyon.

See Hadley Rille for some images of a rille.

There is some interesting stuff in this Alpine Valley which consists of a valley with a rille running down the centre.

As the Moon is no longer geologically active, these rilles and cracks were formed a long time ago by lava flows or the crust cracking when it cooled down.

If you still have questions please ask and we will try and answer them.

jules:
There is an article about lunar grabens here. These are formed where tension faults on either side pull apart causing the central region to drop.

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