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  #21 (permalink)  
Old 04-18-2008, 06:53 AM
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Re: Interesting Geology

You guy's could look for fossils by screening some material. Especially above and below the volcanic layers, or find some wash's cutting though the layers.
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Old 04-18-2008, 09:59 AM
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Arrow Re: Interesting Geology

Quote:
Originally Posted by Thunderbird View Post
You guy's could look for fossils by screening some material. Especially above and below the volcanic layers, or find some wash's cutting though the layers.
Buffalo bagged a large chunk of the first deposit for me; it weighs several pounds. I plan on taking some photos of the layering, and then breaking it apart & sifting through it. Racoon collected a like amount and is going to mix it in with his potting soil.

With no microscope, I won't be identifying any pollen grains or the like , but if there's a piece of bone in there I will find it!
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Old 04-18-2008, 12:33 PM
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Re: Interesting Geology

Quote:
Originally Posted by Turtle View Post
I think I have the GoogleEarth marked now with the location of the varve I have been describing. Can I get some feedback on if the file below attached works to take you to the site? Takk.

Mmmm...the new setup does not allow .kmz files as attachments. Here's the thread instead at GEC: >> Google Earth Community: Varves - glacial lake sediment deposits

That is all.
Hey Tortuga,

You can include the video in your GE placemark as a video, though to add it to the post, you must link as you have.



You video displayed in a placemark. Code copied from "embed" in YouTube.



Here's the screenshot of the code showing the YouTube code. <font color="white"> meerly gets rid of the to: from: clutter at the bottom of the post.
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Old 04-18-2008, 01:35 PM
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Arrow Re: Interesting Geology

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Hey Tortuga,

You can include the video in your GE placemark as a video, though to add it to the post, you must link as you have.
...
You video displayed in a placemark. Code copied from "embed" in YouTube.
...
Here's the screenshot of the code showing the YouTube code. <font color="white"> meerly gets rid of the to: from: clutter at the bottom of the post.
Roger Wilco! Muchas gracias amigo.

Before I rush off to comply, I have more on the sample collected for me by Buffalo. I weighed the piece at 3 pounds, and have a short video below of the unwrapping & some measuring. This piece is much darker than the brown section I earlier posted, and preparing a clear, flat cross-section is not going well.

The piece is damp and very crumbly, and now really a pile of pieces. I took some and mixed it with water to form a thick paste, as the texture overall is that of clay. I'm letting it rest and then I'll try throwing a little coil pot.

In a small beaker, I nearly filled it with water and mixed in ~cm^2 of material and broke it up & stirred it good. Now I'm just watching to see how things settle. (My 'beaker' is a glass tea-candle holder, and has ripply glass I now see, making for bad seeing of sediment layering.

Finally, here's a photo of a section from this large piece, showing a 15 year period alongside a scale.



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Old 05-24-2008, 10:05 AM
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Arrow Re: Interesting Geology

Here's some interesting geology to work around.

Quote:
Originally Posted by Elle Andra-Warner
The mysterious forest rings of northern Ontario

...Hamilton first became interested in the rings in 1997 when Sudbury prospector and geologist Bob Komarechka asked him about the potential kimberlite link. Now he has some new theories about how the giant rings were created, and his paper discussing some of the strange electrical phenomena that occur over the rings has been accepted for publication in the journal Geophysics.

According to Hamilton, the forest rings are caused by giant, naturally occurring electrochemical cells — big centres of negative charges (called reduced chimneys) that are frequently situated over metal or mineral deposits or methane (a natural gas source).

Think of them as huge natural electrical batteries with a negative charge in carbonate soil and surrounded by oxygen that carries a positive charge. The current from the batteries — the negative charge — travels outward and where it meets the positive charge, acidic conditions are created that eat away at the carbonate soil, causing it to drop in a circular depression around the natural battery. ...
CBC News In Depth: Science
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Old 05-24-2008, 10:37 AM
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Re: Interesting Geology

I live near the only natural outcropping of rock along the entire coast of NC, about the length of a football field, "about a hundred meters for all you illogical metric people"

It's wild to see the habitat change from miles and miles of nearly blank sand to suddenly find an oasis of rock sticking out of the ocean, very suddenly due to a simple change in geology everything changes, life is suddenly everywhere, algae, echinoderms, crustaceans, anemones, fish and then just as suddenly back to visually lifeless sand........
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Old 05-24-2008, 11:07 AM
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Re: Interesting Geology




A fractionalized melt,
A crystallized belt

Aquamarine and topaz

Gems a plenty is has,



What is it?
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Old 05-24-2008, 11:27 AM
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Arrow Re: Interesting Geology Riddle

Quote:
Originally Posted by Moon Tan Man
...It's wild to see the habitat change from miles and miles of nearly blank sand to suddenly find an oasis of rock sticking out of the ocean, very suddenly due to a simple change in geology everything changes, life is suddenly everywhere, algae, echinoderms, crustaceans, anemones, fish and then just as suddenly back to visually lifeless sand........
It's finding simple changes out in the wilds that keeps my interest. I am visiting your rock vicariously.

Quote:
Originally Posted by Thunderbird View Post


A fractionalized melt,
A crystallized belt

Aquamarine and topaz

Gems a plenty is has,

What is it?
Pegmatite?
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Old 05-27-2008, 04:31 AM
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Re: Interesting Geology Riddle

Quote:
Originally Posted by Turtle View Post
It's finding simple changes out in the wilds that keeps my interest. I am visiting your rock vicariously.



Pegmatite?
Yep
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Old 07-10-2008, 10:49 AM
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Arrow Re: Interesting Geology

While visiting the East Fork Lewis River in Clark County Washington this past Monday, I photographed one of a number of potholes that have formed in the bedrock river bank. Interesting.

How they form. >> Potholes-Trail



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