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Old 07-19-2011, 10:42 AM   #1
CaliforniaMama
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July 19, 2011 Magnified Beach Sand



Beach sand magnified to 250 times its real size

Here is some amazing microphotography by Dr Gary Greenberg who shows how beach sand grains look magnified to 250 times the real size.

This crystal of sand on the image below (in the middle) is surrounded by bits of coral, shell, and volcanic material.

http://todayilearned.co.uk/2011/07/1...ize/#more-2283
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Old 07-19-2011, 10:43 AM   #2
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beautiful!
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Old 07-19-2011, 10:54 AM   #3
Pico and ME
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I grew up enjoying the beaches of southern Lake Michigan. Its really funny that this IOTD showed up today because I was just at the beach this Saturday watching the Gary Air Show with my Dad and I was wondering what the sand was composed of...figuring it wasn't shells and such.

So I just checked and found out that it is mostly minerals like quartz, feldspars, garnets, magnetite, and biotite. Heres a close up photo.
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Old 07-19-2011, 11:06 AM   #4
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On the beaches of Maine, where I grew up , the grains of sand are a little bigger.
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Old 07-19-2011, 11:10 AM   #5
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Oooh, that reminds me of Schoodic Point...I need to find the pic of me on the rock with the water crashing around me.
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Old 07-19-2011, 11:22 AM   #6
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Quote:
Originally Posted by glatt
On the beaches of Maine, where I grew up , the grains of sand are a little bigger.
On the beaches of Texas, the sand is covered with jellyfish and tar balls.
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Old 07-19-2011, 11:27 AM   #7
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Jellyrabbits and tar babies.
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Old 07-19-2011, 11:35 AM   #8
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Quote:
Originally Posted by glatt View Post
On the beaches of Maine, where I grew up , the grains of sand are a little bigger.
and yet, and yet... the "no-see-ums"
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Old 07-19-2011, 12:29 PM   #9
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What is that thing? An alien spaceship?
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Old 07-19-2011, 12:42 PM   #10
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Shipwreck. Tugboat, actually. It's been sitting there my entire life. I think it wrecked in the 50's.
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Old 07-19-2011, 12:57 PM   #11
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Quote:
Originally Posted by Pico and ME View Post
So I just checked and found out that it is mostly minerals like quartz, feldspars, garnets, magnetite, and biotite. Heres a close up photo.
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Last edited by monster; 07-19-2011 at 01:40 PM.
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Old 07-19-2011, 12:58 PM   #12
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Calimama, thanks for stepping up to the image of the day plate recently. I have been enjoying them.
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Old 07-19-2011, 01:26 PM   #13
Pico and ME
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What exactly is hotlinking?

I saved the picture to my desktop and then used the manage attachment section here to post it.

If that is hotlinking, then what should I have done instead?
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Old 07-19-2011, 01:34 PM   #14
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I think monster's post has the hotlink. Yours is an attachment.
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Old 07-19-2011, 01:41 PM   #15
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yes, i hotlinked. but I can still see the img. Are you guys getting a "do not hotlink" thingie?

I changed it anyway, sorry if that was the case. lazy monster was in the middle of some tax returns.
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