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View Diary: DKos Special Supplement: Plate Tectonics And The World’s Changing Geography (Part 2 of 2) (68 comments)

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  •  not sure . . . (3+ / 0-)
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    Cliss, RiveroftheWest, mightymouse

    I hear the report both ways. . .seafloor spreading, of course, continues spewing basaltic oceanic stuff, like volcanoes, and of course volcanoes are being 'born' all the time, while continental crust are not forming new landscapes. But let me check on this and confirm so that I don't give you a 'rong answer, mightmouse. I'm moving this week and internet service is quite iffy. But I will contact you via your profile's email sooner than later. Meanwhile, thanks so much for your comment. This stuff fascinates me, too. I ma glad I didn't bore the community to tears with the writeup.

    Treat the world (yourself, and others) as part of a living organism. Everyone and everything will benefit.

    by richholtzin on Tue Apr 16, 2013 at 12:11:27 PM PDT

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    •  thanks! (1+ / 0-)
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      this is something I've wondered but not asked to a knowledgeable person.

      An ambulance can only go so fast - Neil Young

      by mightymouse on Tue Apr 16, 2013 at 08:41:38 PM PDT

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    •  Thanks for posting these (1+ / 0-)
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      Rich, thanks so much for taking the time to post these diaries. I took a Geology Field Course to Death Valley a few years ago and got to see some of these concepts on the ground (and in the rocks!).  Fascinating subject indeed for someone who lives on the Pacific Plate.

      Keep 'em coming!

      •  a remarkable geologic setting... (1+ / 0-)
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        Death Valley and one of my favorite places on the planet. I took a course or two there, myself, having first learned the stuff and then finding a way to help make sense of all that mountain-building drama. Coming mainly from a sedimentary rock haven, the Colorado Plateau, which is mostly that, there is mountain-building going on so much as it's laccoliths and such. So, there in the Big Valley of granitic giants and such. . .it's another kind of geologic textbook altogther. Thanks for your comments, fiercefilms. I'll continue writing these diaries as long as their interesting folks out there, like you, who'll read 'em. Thanks for your support, too.  

        Treat the world (yourself, and others) as part of a living organism. Everyone and everything will benefit.

        by richholtzin on Wed Apr 17, 2013 at 04:13:44 PM PDT

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