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Author Topic:   Introduction To Geology
Artemis Entreri 
Suspended Member (Idle past 2423 days)
Posts: 1194
From: Northern Virginia
Joined: 07-08-2008


Message 91 of 293 (658415)
04-04-2012 3:58 PM



great job so far (the part on rivers was the best IMHO). Read everything, though recently discovered this gem. I am more of a geomorphology/geodesy guy (but much of this ties in).

Not sure if you haven't got to it yet or if you are going to cover it, but…Do you have anything on Sand dunes? I realize you mentioned them in the Deserts (evap exceeds precip) section, but it seemed very brief. I realize that your topic and interest is due to your acceptance of Uniformitarianism, and that Sand Dunes may not always apply to this assumption, but I think they are important to understanding how natural forces (wind) affect the earth (as in soil and rocks).

Keep it up this has been great so far.


Replies to this message:
 Message 92 by Taq, posted 04-04-2012 4:18 PM Artemis Entreri has responded
 Message 93 by Pressie, posted 04-05-2012 12:52 AM Artemis Entreri has responded

  
Artemis Entreri 
Suspended Member (Idle past 2423 days)
Posts: 1194
From: Northern Virginia
Joined: 07-08-2008


Message 95 of 293 (658465)
04-05-2012 9:26 AM
Reply to: Message 93 by Pressie
04-05-2012 12:52 AM


Re:
You little creationist you: "assumption" and "Uniformitarianism".

I am not a creationist. Damn talk about assumptions.

Inigio Montoya writes:

…that word. I do not think it means what you think it means.

since you are a fan of Wikipedia.

Wikipedia writes:

Uniformitarianism is the assumption that the same natural laws and processes that operate in the universe now, have always operated in the universe in the past and apply everywhere in the universe. It has included the gradualistic concept that "the present is the key to the past" and is functioning at the same rates. Uniformitarianism has been a key principle of geology, but naturalism's modern geologists, while accepting that geology has occurred across deep time, no longer hold to a strict gradualism.

http://en.wikipedia.org/wiki/Uniformitarianism

the 3rd word in the Wikipedia definition. would you call Wikipedia a creationist for using the word assumption in its definition of Uniformitarianism? Why am I a creationist for saying that?

You could of course start reading on sand dunes on http://en.wikipedia.org/wiki/Dune. Don't forget the references at the bottom.

Well he is going to cover limestone next, I could read about that on Wikipedia too, I am trying to participate HERE, not read random things on Wikipedia.

LOOK: I am a cartographer. I have my degree in geography, and where I went to school, geology and geography where in the same school, and I was just really happy that EVC had some frickin earth science as opposed to the biology and chemistry that it is usually inundated with (thanks again Dr Adequate).


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 Message 93 by Pressie, posted 04-05-2012 12:52 AM Pressie has responded

Replies to this message:
 Message 104 by Pressie, posted 04-10-2012 12:52 AM Artemis Entreri has responded

  
Artemis Entreri 
Suspended Member (Idle past 2423 days)
Posts: 1194
From: Northern Virginia
Joined: 07-08-2008


Message 96 of 293 (658466)
04-05-2012 9:30 AM
Reply to: Message 92 by Taq
04-04-2012 4:18 PM


Re:
thanks. That is very interesting. Some sand dunes are old (not geologically speaking though), and are constantly changing form and shape.
This message is a reply to:
 Message 92 by Taq, posted 04-04-2012 4:18 PM Taq has responded

Replies to this message:
 Message 100 by Taq, posted 04-05-2012 12:41 PM Artemis Entreri has acknowledged this reply

  
Artemis Entreri 
Suspended Member (Idle past 2423 days)
Posts: 1194
From: Northern Virginia
Joined: 07-08-2008


Message 97 of 293 (658468)
04-05-2012 9:37 AM
Reply to: Message 94 by Dr Adequate
04-05-2012 7:07 AM


Re: On Holiday
well enjoy yourself. what holiday is it? I wouldn't peg you for someone who celebrates Easter, and I can't think of any other holidays right now.

AE: Thanks for the kind remarks. Was there anything in particular you think I should say about sand dunes? I can always go back and add stuff.

you are welcome, I have kind words in here somewhere sometimes.

I don't really have any suggestions, other than maybe a brief explanation on the various types of dunes (for some reason crescent dunes get all the love), as I said earlier I am most interested in geomorphology, so I am not sure what yo really add, I was just wondering. I did also wonder why there was a section on Deserts in general, maybe it was just a way to classify the material, but desert is more a meteorology term than a geology one.

I eagerly await limestone.


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 Message 94 by Dr Adequate, posted 04-05-2012 7:07 AM Dr Adequate has not yet responded

Replies to this message:
 Message 98 by PurpleYouko, posted 04-05-2012 10:14 AM Artemis Entreri has acknowledged this reply
 Message 99 by Taq, posted 04-05-2012 12:36 PM Artemis Entreri has responded

  
Artemis Entreri 
Suspended Member (Idle past 2423 days)
Posts: 1194
From: Northern Virginia
Joined: 07-08-2008


Message 102 of 293 (658575)
04-06-2012 12:40 PM
Reply to: Message 99 by Taq
04-05-2012 12:36 PM


Re: On Holiday
hmm never hear of that state park before, my ID experience consists of Pocatello. Thanks for the link.

They are reportedly the tallest dunes in North America at 470 feet.

I climbed the Dunes at Sleeping Bear Dunes National Lakeshore (in Michigan), and when you climb up that, whew, I swear every one you climb is the tallest one.

I think the Kelso Dunes in CA are taller though.
http://en.wikipedia.org/wiki/Kelso_Dunes

Interestingly, they do not move and are not the classic mobile crescent shaped dunes.

From imagery it looks like one large continuous Linear Dune, with wind comming from the north-east and north.


This message is a reply to:
 Message 99 by Taq, posted 04-05-2012 12:36 PM Taq has responded

Replies to this message:
 Message 103 by Taq, posted 04-09-2012 6:09 PM Artemis Entreri has responded

  
Artemis Entreri 
Suspended Member (Idle past 2423 days)
Posts: 1194
From: Northern Virginia
Joined: 07-08-2008


Message 105 of 293 (658841)
04-10-2012 10:09 AM
Reply to: Message 104 by Pressie
04-10-2012 12:52 AM


Re:
o
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Artemis Entreri 
Suspended Member (Idle past 2423 days)
Posts: 1194
From: Northern Virginia
Joined: 07-08-2008


Message 106 of 293 (658842)
04-10-2012 10:16 AM
Reply to: Message 103 by Taq
04-09-2012 6:09 PM


Re: On Holiday
Near Pocatello is the Craters of the Moon national park where you can check out massive lava fields:

http://en.wikipedia.org/...on_National_Monument_and_Preserve

I wish i knew that back then. I just remember driving up I-15 (out of salt lake city), and thinking, "dang Idaho is much flatter than I thought (we were in the snake river plain), and a ton of agriculture, Dang that is a lot of hops and where are all the taters?"

thanks for the links.


This message is a reply to:
 Message 103 by Taq, posted 04-09-2012 6:09 PM Taq has not yet responded

  
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