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Hello Young People. Columnar Basalt. Hiking today near Othello, Washington. Look at these columns. Theyre perfect! And 50 feet high. These columns are found in a rock called basalt which is a lava flow rock. We have them all over eastern Washington, but we can also find columns like this - Devils Tower in Wyoming, Giants Causeway in Ireland, weve even found columnar basalt on Mars. Here in eastern Washington, the Ice Age floods came barreling through this country thousands of years ago, ripping up a lot of bedrock, and exposing these columns. To figure out why the columns form, how bout we actually climb to the top of these columns, walk around up there, and see if we cant figure things out. Cmon, lets get up there. Each of these is a column. Were up on top of them now. These cracks are 50 feet deep. And these cracks, with this beautiful pattern, are found all through nature. You go to a drying mud puddle after a thunderstorm - and you see cracks like this. You go to the Arct