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slgwv

slgwv club

Posted: 21 Aug 2013

Taken: 28 Jul 2013

1 favorite     6 comments    279 visits

Location

Lat, Lng:  38.616960, -119.963618
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Address:  96120, Markleeville, California

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Keywords

California •
USA •
Sierra Nevada •
Granite Lake trail •
Blue Lakes area •
erratic •
glacial •

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279 visits

Split Glacial Erratic

Split Glacial Erratic
Been lying there since the glaciers retreated at the end of the Pleistocene, ca. 10K years ago, and is slowly breaking up in place. It's a piece of granite with iron-rich (mafic) inclusions, which are the dark spots weathering out. There are lots of erratics lying around all over this area.

(deleted account) has particularly liked this photo

6 comments - The latest ones
 afwrite
afwrite
Always thought-provoking these enormous rocks cracked open. Great capture.
11 years ago.
 slgwv
slgwv club
Thanks! I put an explanation in the caption. You should have lots of glacial erratics in Scotland, too!
11 years ago.
afwrite has replied to slgwv club
I've seen a few, without knowing what they're called. Very photogenic.These things which have been subjected to violent destructive forces are left with a feeling of peace, serenity and contemplation. Cheers.
11 years ago.
 slgwv
slgwv club
Yeah, and once you get your eyeballs calibrated (as a prof of mine used to say) glacial features leap out at you everywhere.
11 years ago.
 Pam J
Pam J club
Re you comment above.. Yes !! They do.!!

Its an unconscious thing you just learn.. and know. The joy of beign a rockhound !!

Love Erratics.. the stories they could tell !

Admired in ~ I ♥ Nature
10 years ago.
slgwv club has replied to Pam J club
That's true!
10 years ago.

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