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Old Jul 3, 2006, 6:26 PM   #1
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saw this unique rock formation up at Mt. Baker yesterday. the area where i was is dotted with these odd outcrops, and the rock seems to be extruded in hexagonal shapes, almost like crystals. i think i read somewhere that they're called basalt columns. in many places, they form steps, almost like natural stairs, up the side of the mountain.the dirty white stuff on the right is snow... :G


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Old Jul 3, 2006, 7:48 PM   #2
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Excellent shot of the center of an ancient vulcano!
I have seen such structures her in Europe at the island of Staffa. Corresponding structures are found in Ireland (Giant's course way). The european basalt is nearly black.

thanks for sharing Squirl!!
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Old Jul 3, 2006, 8:02 PM   #3
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A unique capture indeed. Very interesting. Love the way you captured the light and shadows, which accent the formation. I have no idea of how that was formed, but as Seemolf says, I will take his word for it.

Very interesting area you live in Squirl,

P.S. Thanks for finally sending us a few showers of U.F.O.'s, otherwise known as rain. We were beginning to look like the modern dust bowl here, no grass, gardens doing poorly.
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Old Jul 3, 2006, 10:18 PM   #4
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as Sven guessed, Mt. Baker is a dormant volcano, one of 4 or 5 volcanic peaks in Washington state. the most active, of course, is St. Helens, with Rainier second. Baker and Adams aredormant, and Glacier Peak is dead, but over geologic history, there's been a lot of volcanic activity in this part of the world. these columns or extrusions are evidence of that activity...
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