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Anyone recognize this geographic feature near Dagger Flats?

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Offline House Made of Dawn

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Anyone recognize this geographic feature near Dagger Flats?
« on: October 01, 2016, 11:24:05 AM »
Using Google Earth, I was zooming in on Sue Peaks and the corner of my eye caught sight of a large, dark, roughly-elliptical geographic feature that I don't recognize. It's well to the east of the main park road as you come in from Persimmon Gap.  You can see Dog Canyon at the top center-left of this image. Dagger Mountain and Dagger Flats are below that. The dark feature is southeast of those and just west of the beginning of the Dead Horse Mountains. immediately to the east-southeast, you can make out the turnaround at the end of the Dagger Flats road. So it's certainly not in a remote area, but I don't know what it is.  Anybody?

5:0x374d9d14ba553745!8m2!3d29.668248!4d-103.1707268" class="bbc_link" target="_blank">https://www.google.com/maps/place/Persimmon+Gap/@29.391491,-103.0708854,12289a,20y,359.74h,55.78t/data=!3m1!1e3!4m5!3m4!1s0x86f18d4daebb90e 5:0x374d9d14ba553745!8m2!3d29.668248!4d-103.1707268
"The trick, William Potter, is not minding that it hurts."

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Offline House Made of Dawn

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  • Golden Eagle
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  • Backpacking since '78, Big Bend since '95.
Re: Anyone recognize this geographic feature near Dagger Flats?
« Reply #1 on: October 01, 2016, 11:29:07 AM »
Ooops. The view I was using was tilted 3D, but that doesn't seem to be what linked.  :eusa_doh:  But if you click to GE, you'll still see the feature I'm asking about.
"The trick, William Potter, is not minding that it hurts."

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Offline badknees

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Re: Anyone recognize this geographic feature near Dagger Flats?
« Reply #2 on: October 01, 2016, 12:18:46 PM »
It's erosional remains. I've hiked to Leopold tinaja, just SW of that feature and there are some smaller areas of the same type. It's soft dark claystone.
Not all those who wander are lost.
J.R.R. Tolkien

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Offline House Made of Dawn

  • www.youtube.com/watch?v=h2YJduDyFA4
  • Golden Eagle
  • Mountain Lion
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  • 3028
  • Backpacking since '78, Big Bend since '95.
Re: Anyone recognize this geographic feature near Dagger Flats?
« Reply #3 on: October 01, 2016, 12:32:09 PM »
Cool. I thought it might be erosional one way or the other. Clearly it's a basin, so I thought material had either eroded and collected inside it, or perhaps a resistant intrusion had been revealed after softer material eroded away above it. Thanks for the quick and detailed answer, badknees!
"The trick, William Potter, is not minding that it hurts."

 


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