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dataset
Lori Steadman
Utah Geological Survey (UGS)
Cartographer/GIS Analyst
1594 W. North Temple, Suite 3110
Salt Lake City
Utah
84116-3154
loristeadman@utah.gov
US
801-537-3300
801-537-3400
Monday - Friday 8:00 a.m. to 5:00 p.m.
20231011
Esri File GDB v.10.2 and Adobe PDF
ZIP compatible applications
PDF files and Esri File Geodatabase (compressed ZIP)
File Geodatabase Feature Class
Utah Geological Survey Interactive Geologic Map Portal
Utah Geological Survey
Web service
1594 W North Temple
Salt Lake City
Utah
84116
US
Local: (801) 537-3300
Toll-free: (888) UTAH MAP (888) 882-4627
Browse UGS map publications and download PDFs and GIS data in the UGS Interactive Geologic Map Portal.
https://geology.utah.gov/apps/intgeomap/
Utah Geological Survey Interactive Geologic Map Portal
Natural Resources Map & Bookstore
Utah Geological Survey
Publisher and distributor
1594 W. North Temple
Salt Lake City
Utah
84116-3154
geostore@utah.gov
US
Local: (801) 537-3320
Toll-free: (888) UTAH MAP or (888) 882-4627
Monday - Friday 10:00 a.m. to 5:00 p.m.
Visit our Natural Resources Map & Bookstore at https://www.utahmapstore.com/ for online ordering information.
Natural Resources Map & Bookstore
Geologic map of the southern half of the Rill Creek and northern half of the Kane Springs 7.5' quadrangles, Grand and San Juan Counties, Utah
vector digital data
Mauch, J.P., and Pederson, J.L., 2023, Geologic map of the southern half of the Rill Creek and northern half of the Kane Springs 7.5' quadrangles, Grand and San Juan Counties, Utah: Utah Geological Survey Miscellaneous Publication 175DM, 19 p., 2 plates, scale 1:24,000, https://doi.org/10.34191/MP-175DM
2022-01-18T00:00:00
2023-09-01T00:00:00
Stefan Kirby
UGS
Mapping Program Manager
1594 W North Temple, Suite 3110
Salt Lake City
Utah
84118-6100
stefankirby@utah.gov
US
801-537-3349
8 AM to 5 PM
Grant C. Willis
MP
175DM
This geologic map covers the southern half of the Rill Creek quadrangle and the northern half of the Kane Springs quadrangle, Grand and San Juan Counties, Utah, and provides basic geologic data in digital format for government, academic, private industry, and public users. This split quadrangle area was selected to cover the southeastern half of the Moab-Spanish Valley graben, and is part of a student thesis project to study mechanisms and timing of salt-dissolution collapse of the valley.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The adjoining southern half of the Rill Creek and northern half of the Kane Springs 7.5′ quadrangles are southeast of Moab, Utah. This area includes the southeastern half of the Moab-Spanish Valley salt graben and the neighboring bedrock plateaus to the southwest and northeast. Mapping of this quadrangle-sized area is part of a broader effort to understand active salt deformation and the associated landscape evolution and geologic hazards in the ancestral Paradox Basin. Strata from Late Triassic to Late Cretaceous age are exposed in the map area, and Quaternary-age units include alluvial, colluvial, eolian, mass-wasting, and fluvial terrace deposits. Graben subsidence is accommodated by systems of shallowly seated, near-vertical, gravitational faults along the margins of Spanish Valley. The two graben-margin fault zones display contrasting deformation styles and fault geometries. Ongoing Quaternary subsidence in Spanish Valley is documented in the spatial and temporal distribution of terrace deposits along Mill and Pack Creeks, which confirms previous hypotheses of active salt deformation. The hazard of active, aseismic, salt-dissolution collapse and faulting appears to be modest, with greater concern relating to attendant mass-wasting processes along the valley margins.</SPAN></P></DIV></DIV></DIV>
Program Manager: Stefan M. Kirby (UGS)
Project Manager: Grant C. Willis (UGS)
GIS and Cartography: James P. Mauch (Utah State University Geology Department, thesis project; now Wyoming State Geological Survey), Kent D. Brown, Lori J. Steadman (UGS)
Geology review: Susanne Janecke (USU); Grant Willis, Stephanie Carney, Mike Hylland (UGS)
GIS and Cartographic review: Keilee A. Higgs (UGS)
Funding: U.S. Geological Survey, EDMAP award number G16AC00205 (2016) and Utah State University and Utah Geological Survey
geology
contacts
faults
geologic formations
geologic units
Moab Valley
Spanish Valley
Grand County
San Juan County
Paradox Basin
salt diapir
salt collapse
graben
geology, contacts, faults, geologic formations, geologic units, Moab Valley, Spanish Valley, Grand County, San Juan County, Paradox Basin, salt diapir, salt collapse, graben
Moab Valley, Spanish Valley, Paradox Basin, Rill Creek and northern half of the Kane Springs 7.5' quadrangles, Grand and San Juan Counties, Utah
Natural Resources Map & Bookstore
Utah Geological Survey
Publisher and distributor
1594 W. North Temple
Salt Lake City
Utah
84116-3154
geostore@utah.gov
US
Local: (801) 537-3320
Toll-free: (888) UTAH MAP or (888) 882-4627
Monday - Friday 10:00 a.m. to 5:00 p.m.
Visit our Natural Resources Map & Bookstore at https://www.utahmapstore.com/ for online ordering information.
Utah Geological Survey Interactive Geologic Map Portal
Utah Geological Survey
Web service
1594 W North Temple
Salt Lake City
Utah
84116
US
Local: (801) 537-3300
Toll-free: (888) UTAH MAP (888) 882-4627
Browse UGS map publications and download PDFs and GIS data in the UGS Interactive Geologic Map Portal.
https://geology.utah.gov/apps/intgeomap/
<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN>The Miscellaneous Publication series provides non-UGS authors with a high-quality format for documents concerning Utah geology. Although review comments have been incorporated, this document does not necessarily conform to UGS technical, editorial, or policy standards. The Utah Department of Natural Resources, Utah Geological Survey, makes no warranty, expressed or implied, regarding the suitability of this product for a particular use. The Utah Department of Natural Resources, Utah Geological Survey, shall not be liable under any circumstances for any direct, indirect, special, incidental, or consequential damages with respect to claims by users of this product. For use at 1:24,000 scale.</SPAN></P><P><SPAN /></P></DIV></DIV></DIV>
This geologic map was partially funded by the U.S. Geological Survey, National Cooperative Geologic Mapping Program, through USGS EDMAP agreement number G16AC00205 (2016). The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government.
This map was created from geographic information system (GIS) files. Persons or agencies using these data specifically agree not to misrepresent the data, nor to imply that changes they made were approved by the Utah Geological Survey, and should indicate the data source and any modifications they make on plots, digital copies, derivative products, and in metadata.
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The map area spans the southern half of the Rill Creek and northern half of the Kane Springs 7.5’ quadrangles, which are in eastern Utah in Grand and San Juan Counties, southeast of the city of Moab. Much of the map area encompasses the eastern part of the Moab-Spanish Valley salt graben, which is approximately 25 kilometers long, 2.5 to 5 kilometers wide, and trends northwest-southeast. The graben contains two alluvial valleys, Moab Valley and Spanish Valley, separated by a low topographic saddle of shallowly covered bedrock. Mapping the distribution of Quaternary deposits allows testing of previous hypotheses of active subsidence, and documenting the geometry of graben faults contributes understanding to the mechanics of graben collapse. Mapping is also motivated by geologic hazard concerns related to salt-dissolution faulting and subsidence around the community of Moab. Field mapping was initially conducted at 1:8,000 scale in Spanish Valley, along the graben margins, and in North Mill, South Mill, and Pack Creeks. Field lines were then digitized using VrTwo photogrammetry software. The bedrock plateau southwest of Spanish Valley, the uplands between the forks of Mill Creek, and Wilson and South Mesas were initially mapped in VrTwo and subsequently field-verified. VrTwo lines were imported into ArcGIS, where the final map layout was created at 1:24,000 scale and unit descriptions, correlations, and a cross section are on a second plate. Mapping was conducted in collaboration with the Utah Geological Survey (UGS) and partially funded by the U.S. Geological Survey EDMAP program, award G16AC00205.
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