earthstory: A Grain of Sand Sand is soft, scratchy, in all the wrong places, and boring… or is it? Each minute sand grain has a remarkable history with roots in diverse geological processes, from explosive volcanic eruptions, to the formation and

earthstory: A Grain of Sand Sand is soft, scratchy, in all the wrong places, and boring… or is it? Each minute sand grain has a remarkable history with roots in diverse geological processes, from explosive volcanic eruptions, to the formation and

tags: cliff,,

from: https://clifflumen.tumblr.com/post/187434049475