[Geysers] Strange feature

David Schwarz david.schwarz at alumni.duke.edu
Wed Jun 12 09:09:01 PDT 2013


Bing has higher-resolution imagery, and based on that, it looks like the
green is a thermal marsh, apparently fed by seeps south of the left "eye."
The eyes appear to be islands, probably of high ground above the marsh,
covered with scrubby plants and a tree or two.

David Schwarz


On Wed, Jun 12, 2013 at 10:43 AM, <TSBryan at aol.com> wrote:

> **
> For some reason -- probably has to do with being "stuck" in southern
> Arizona for another three months -- I was using Google Earth to look at
> places in Yellowstone. For some reason (no idea why, really) I zoomed in on
> the Spruce Creek-Juniper Creek area, a few miles up Nez Perce Creek well
> beyond the Morning Mist area.
>
> First, here is what Allen & Day (pp. 283-284) had to say about that area:
>
>      The southern branch of Nez Perce Creek is formed by the junction of
> Spruce and Juniper Creeks, cold mountain streams which receive no warm
> water till they near the meadow where they unite. Three-quarters of a mile
> up Spruce Creek, the explorer comes upon an old sheet of siliceous sinter,
> along the western border of which a mild type of acid activity of limited
> extent still persists.
>      On the banks of Juniper Creek there is nothing of a thermal character
> except a few quiet pools embedded in ancient sinter, and along a little
> tributary of the creek from the south, a small number of acid springs,
> characterized by meager sulphur deposits, yield not more than 0.1 sec. ft.
> of warm water. --end--
>
> OK, so two Google Earth photos are attached. The first serves as a map to
> the area, with the trailhead, Morning Mist/Culex, and a really odd looking
> feature marked. The second photo is a close up of that strange feature,
> which my wife calls "The Alien."
>
> What is it? Any explorers out there game of a 15 mile (round trip) hike?
> (Won't be me!)
>
> Scott Bryan
>
> _______________________________________________
> Geysers mailing list
> Geysers at lists.wallawalla.edu
> 
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: </geyser-list/attachments/20130612/5ccfd137/attachment-0001.html>


More information about the Geysers mailing list