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Survey Notes September 2018

The latest issue of Survey Notes is now available!

Learn more about the mysteries of the Uinta Mountains and the ancient volcanoes of the Central Wasatch Range.

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Check out past issues

POTD April 25, 2017: Yellowstone Basin

Yellowstone Basin, Uinta Mountains, Duchesne County

Photographer: Rich Emerson © 2017

 

Experts trying to make sense of Northeastern Utah’s ‘unusual’ earthquake

good4utah.com

Experts are trying to make sense of an unusual earthquake that shook Northeastern Utah, Wednesday morning.

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Small earthquake shakes southern Uintas

Anyone feel this small earthquake this morning in the southern Uinta Mountains?

According to the Univeristy of Utah seismic report on this event, “The Uinta Mountains and Wyoming Basin are stable parts of the North American tectonic plate that are relatively unaffected by geologically young crustal deformation; only minor, ambiguous evidence of possible young faulting is found in the area.” Find this and other information in their report HERE.

sltrib.com

A small earthquake shook the southern Uinta Mountains early Wednesday, according to the University of Utah Seismograph Station.

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Geologic Map of The Donkey Flat Quadrangle, Uintah County, Utah

MP-16-2DM Insert

Geologic Map of The Donkey Flat Quadrangle, Uintah County, Utah

By: Paul H. Jensen, Douglas A. Sprinkel, Bart J. Kowallis, and Kent D. Brown

The Donkey Flat quadrangle is less than 10 miles north-northeast of Vernal, Utah, along the south flank of the Uinta Mountains in Uintah County. It includes Red Fleet State Park and is crossed by U.S. Highway 191 (a National Scenic Byway). The geology is well exposed and uncomplicated, making a dramatic landscape with thick sandstone cliffs and varicolored to drab gray slopes. The quadrangle’s namesake, Donkey Flat, is a one of several geomorphic surfaces mantled by piedmont gravel deposits.

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Jessen Lake, Uinta Mountains, Summit County, Utah Photographer: Ken Krahulec; © 2015

POTD December 22, 2015: Jessen Lake, Uinta Mountains, Summit County, Utah

POTD 12-22-15 Jessen Lake, Uinta Mountains

Jessen Lake, Uinta Mountains, Summit County, Utah
Photographer: Ken Krahulec; © 2015

As the Provo River plunges off the south side of the Uinta Mountains along the Mirror Lake Highway, it cascades over innumerable ledges of Precambrian-age Uinta Mountain Group sandstone. Provo Falls, Summit County, Utah Photographer: Gregg Beukelman; © 2015

POTD December 1, 2015: Provo Falls, Summit County, Utah

Take this in over your outdoor daydream today.

12-1-15

Provo Falls, Summit County, Utah
Photographer: Gregg Beukelman; © 2015

As the Provo River plunges off the south side of the Uinta Mountains along the Mirror Lake Highway, it cascades over innumerable ledges of Precambrian-age Uinta Mountain Group sandstone.

Survey Notes volume 26 number 3

Current Issue Contents:

• The Uinta Mountains: A Tale of Two Geographies
• In Memoriam: Lehi F. Hintze
• Students Fill the GIS Gap
• The 2014 Crawford Award
• GeoSights: Roosevelt Hot Springs Geothermal Area, Beaver County
• New Publications
• Teacher’s Corner
• Core Center News
• Glad You Asked: What are keeper potholes & how are they formed?

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POTD August 6, 2014: High Uintas Wilderness, Summit County, Utah

Utah—putting the “Awe” in geology since the Precambrian.

High Uintas Wilderness, Summit County, Utah
Photographer: Chris DuRoss; © 2013

Ostler Peak (12,718 feet) is reflected in a meander bend of the Stillwater Fork of the Bear River in the Uinta Mountains. Thousands of years ago glaciers inundated much of the Uinta Mountains, leaving behind long glacier-carved valleys, steep-sided cirques, and jagged peaks.