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NEW PUBLICATION: Geologic Hazards of the Moab Quadrangle, Grand County, Utah

by Jessica J. Castleton, Ben A. Erickson, and Emily J. Kleber

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The Moab quadrangle is located in the south-central portion of Grand County, Utah. Currently, the area is experiencing rapid development and population growth, that is expected to continue for the foreseeable future. As urbanization expands into areas less suited for development, geologic hazards become of increasing concern in the planning, design, and construction of new facilities and infrastructure. This geologic-hazard investigation of the Moab quadrangle incorporates available geologic, hydrologic, soil, and geotechnical information to identify where geologic hazards may exist, and where detailed, site-specific, geotechnical/geologic-hazard investigations are necessary to protect health, welfare, and safety. This study provides maps and information for 13 geologic hazards: shallow groundwater, salt tectonics-related ground deformation, flooding, landsliding, rockfall, radon gas potential, collapsible soil, expansive soil and rock, corrosive soil and rock, soluble soil and rock, piping and erosion, wind-blown sand, and shallow bedrock. The maps are an aid for general planning to indicate where site-specific geotechnical/geologic-hazard investigations are necessary. The accompanying report describes the hazards and provides background information on data sources and the nature and distribution of hazards and potential mitigation measures.

POTD October 11, 2017: Poison Spider Mesa, Grand County

Poison Spider Mesa, Grand County
Photographer: Ben Erickson © 2017
Located along the Colorado River near Moab, Longbow Arch is an example of the delicate beauty of wind-sculpted rock. The arch spans 60 feet in the Jurassic-age Navajo Sandstone.

POTD February 28, 2017

View east from Jackson Bottom along the Colorado River, Grand County.
Photographer: Brian Butler © 2017

POTD September 6, 2016

9-6-16
Along the Colorado River, Grand County
Photographer: Ryhan Sempler © 2016

POTD August 31, 2016: Arches National Park, Grand County

Arches National Park, Grand County
Photographer: Gregg Beukelman © 2016
8-30-16
Early morning light provides a glow to one of the Courthouse Towers, an erosional remnant of a fin composed of vertically jointed Jurassic-age Slick Rock Member of the Entrada Sandstone.
Delicate Arch, a 65-foot-tall natural arch in Arches National Park, Grand County, is composed of Jurassic-age sandstone including the Slick Rock Member of the Entrada Sandstone (base and pedestals) and Moab Member of the Curtis Formation (bridge). Delicate Arch, Arches National Park, Grand County, Utah Photographer: Marshall Robinson; © 2015

POTD March 23, 2016: Delicate Arch, Arches National Park, Grand County, Utah

POTD 3-22-16 Delicate Arch

Delicate Arch, Arches National Park, Grand County, Utah
Photographer: Marshall Robinson; © 2015

Delicate Arch, a 65-foot-tall natural arch in Arches National Park, Grand County, is composed of Jurassic-age sandstone including the Slick Rock Member of the Entrada Sandstone (base and pedestals) and Moab Member of the Curtis Formation (bridge).

Cane Creek anticline and the Colorado River, Grand County, Utah Photographer: Rebekah Stimpson; © 2015

POTD October 27, 2015: Cane Creek anticline and the Colorado River, Grand County, Utah

A view to drink in over your lunch time daydream.

POTD 10-27-15

Cane Creek anticline and the Colorado River, Grand County, Utah
Photographer: Rebekah Stimpson; © 2015

 

New Moab museum to feature dinosaur footprints, ‘paleo-aquarium’

ksl.com

With the summer blockbuster “Jurassic World” opening in theaters, there’s plenty of opportunity to be entertained — or frightened — by dinosaurs.

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Delicate Arch, Arches National Park, Grand County, Utah Photographer: Sonja Heuscher; © 2014

POTD June 15, 2015: Delicate Arch, Arches National Park, Grand County, Utah

We had to turn our air conditioning on this weekend—it’s getting hot! Cool down with this photo while we thaw out our spectacular Utah Geology.

POTD 6-2-15 Delicate Arch, Arches

Delicate Arch, Arches National Park, Grand County, Utah
Photographer: Sonja Heuscher; © 2014

The view through North Window arch in The Windows Section of Arches National Park reveals snow-covered sandstone spires and fins of the Jurassic-age Entrada Sandstone. The spires and fins result from weathering and erosion along parallel fractures, or joints, in the rock. Arches National Park, Grand County, Utah Photographer: Sonja Heuscher; © 2014

POTD June 4, 2015: Arches National Park, Grand County, Utah

POTD 5-26-15 Arhces National Park

Arches National Park, Grand County, Utah
Photographer: Sonja Heuscher; © 2014

The view through North Window arch in The Windows Section of Arches National Park reveals snow-covered sandstone spires and fins of the Jurassic-age Entrada Sandstone. The spires and fins result from weathering and erosion along parallel fractures, or joints, in the rock.