Eastern Mojave Vegetation Goosenecks State Park, San Juan County, Utah.
 
Gazetteer

Query: G.N.I.S.

The San Juan River has incised meanders deeply into the Monument Upwarp and these features are best viewed at this small state park, and at Muley Point. These spectacular canyons expose the Late Carboniferous Hermosa Group shelf carbonate and siliciclastic deposits. The Pinkerton Trail Formation, exposed near river level in the canyons around Goosenecks, is the oldest unit in the Hermosa Group and was deposited in outer and restricted shelf carbonate environments. The overlying Paradox Formation was deposited on the southern margin of the Paradox basin, which contains contemporaneous evaporite deposits further to the north. The Paradox Formation in this area contains phyloid algal and chaeteid bioherms which are petroleum reservoirs for the numerous active producing wells in the Monument Upwarp region. The Honaker Trail Formation overlies the Paradox and consists of alternating shallow water carbonate facies and reddish mudstones and sandstones. The park consists mainly of overview points at the canyon rim. However, an established trail (Honaker trail) 2.6 km north of the park descends from the canyon rim to river level and allows access to all of the formations.


Elevation: 4990ft, 1521m.  

Literature Referring To This Location:

  • Stevenson, Gene M. 2003. Geology of Goosenecks State Park, Utah. pp. 433-447 in Sprinkel, Douglas A., Thomas C. Chidsey, Jr., and Paul B. Andersen, eds., 2003. Geology of Utah's Parks and Monuments, 2nd Edition. Utah Geological Association Publication 28. Salt Lake City, Utah: Utah Geological Association and Bryce Canyon Natural History Association, 2003.
No collections made at this location.
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Date and time this article was prepared:7:39:04 PM, 12/9/2024.