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Slate or Shale Localities

Posted by Steve Hardinger  
avatar Slate or Shale Localities
August 15, 2012 10:42PM
I'm looking for localities to collect shale or slate, preferably gray, not far off the interstate 15 or interstate 70 corridor anywhere in California, Nevada, Utah, or Colorado.
Re: Slate or Shale Localities
August 15, 2012 11:37PM

Are you looking for any particular age, color, fossil?

How far is "not far" off I-15 or I-70?

I know I am in my own little world, but everyone knows me here.
Re: Slate or Shale Localities
August 16, 2012 12:36AM
STEVE At the Indianapolis Harding Street Quarry, gray shale is the overburden pushed aside to get at the underlying limestone which is used to scrub coal at the adjacent electric utility. Parenthetically, in the shale are the pyrite nodules that I have pictured in other threads.

The quarry is adjacent to I 465 with direct I 70 connections to both the East and West around the city. The shale is sooooo abundant, just asking at the office or looking in the visitor parking lot will get you some representative samples. CHEERS............BOB
avatar Re: Slate or Shale Localities
August 16, 2012 01:04AM
Rick, The materials are for an art project, with specific color and mechanical property needs. I'll need to access the material at the locality to determine if it's suitable. "Close" means maybe ten miles or less. The collecting stop is intended to be a brief side-trip on our way from Los Angeles to Denver (or vice-versa), and not a day trip by itself.

Bob, When I lived in Indiana I was pretty sure that Indianapolis is not between Los Angeles and Denver. But then again I was just a naive graduate student at the time, my brains addled by Indiana humidity and winter, so perhaps I was wrong.
Re: Slate or Shale Localities
August 16, 2012 01:18AM
STEVE OOPS!!!!!! tried to be helpful but failed to process the last part of your sentence. BOB

Edited 1 time(s). Last edit at 08/16/2012 01:52AM by BOB HARMAN.
avatar Re: Slate or Shale Localities
August 16, 2012 03:53AM
Not sure if it will meet your criteria, but the Green River Shale is exposed minutes north of the I-70 in the scenic Book Cliffs in the vicinity of Grand Junction, Colorado. A bonus is nice barite crystals at this locality within the shale.
avatar Re: Slate or Shale Localities
August 16, 2012 06:59AM
Jim, that's a good suggestion. Do you have more specific details?
avatar Re: Slate or Shale Localities
August 18, 2012 02:56AM
Try here: Link
I haven't been there personally yet.

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