Mountains of Middle Earth

Discussion in 'Earth Science' started by blobrana, Jul 24, 2008.

  1. blobrana Registered Senior Member

    Messages:
    2,214
    "It's the composition of the rocks, not elfin magic, that makes New Zealand's mountains some of the steepest on Earth -- without being particularly prone to landslides.
    A new survey of the mountain ranges that form the spine of New Zealand confirms the steepest are made almost entirely of tough but otherwise unexciting rocks called greywackes and schists."

    Read more
     

Share This Page