Tag Archive for: Late Pleistocene

Utah Geological Survey

MAP 244

GEOLOGIC MAP OF THE PELICAN POINT QUADRANGLE, UTAH COUNTY, UTAH
Barry J. Solomon, Robert F. Biek, and Scott M. Ritter

This quadrangle is located in central Utah within the eastern Basin and Range Province.  The quadrangle includes the northern part of Utah Lake in western Utah Valley, the northern and northeastern lakeshore, and Pelican Point, extending into Utah Lake from the eastern edge of the Lake Mountains.  Bedrock near Pelican Point includes Mississippian-age sedimentary strata on the eastern limb of the Lake Mountains syncline.  The majority of the quadrangle is covered by Utah Lake, which is underlain by normal faults that form the western boundary of Utah Valley.  Surficial deposits along the lakeshore are primarily associated with lacustrine deposition from Holocene Utah Lake and its precursor, late Pleistocene Lake Bonneville.

CD (2 pl., 1:24,000)

M-244……….$14.95

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Utah Geological Survey

M-243DM

M-243DMSURFICIAL GEOLOGIC MAP OF THE SALT LAKE CITY SEGMENT AND PART OF ADJACENT SEGMENTS OF THE WASATCH FAULT ZONE, DAVIS, SALT LAKE, AND UTAH COUNTIES
(digitized from U.S. Geological Survey Miscellaneous Investigation Series map I-2106, 1992)
Stephen F. Personius and William E. Scott

This map shows the surficial deposits and the faults that offset them along the Salt Lake City segment and adjacent parts of the Weber and Provo segments of the Wasatch fault zone in north-central Utah.  The map area includes the central and eastern parts of the Salt Lake Valley, including metropolitan Salt Lake City and its southern suburbs.  Although a major surface-faulting earthquake has not occurred on the Wasatch fault zone since the state was settled in 1847, the geologic record contains abundant evidence of large earthquakes during Holocene and late Pleistocene time.  The size, age, and distribution of fault scarps produced by these prehistoric earthquakes can be used to determine the most likely sites for future earthquakes, and are therefore the principal focus of the map.

CD (2 pl., 1:24,000 [contains GIS files])

M-243DM……….$24.95

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RELATED LINK

Salt Lake County Geologic Hazard Maps