Interim Geologic Map of the Sugar House Quadrangle, Salt Lake County, Utah (OFR-687dm)

1:24,000 Geologic Maps
Media Type *

By: Adam P. McKean

The Sugar House 7.5-minute quadrangle is located within Salt Lake County on the eastern margin of Salt Lake Valley and includes part of the Wasatch Range. Bedrock exposed in the Wasatch Range is Precambrian to Jurassic with Tertiary dikes and sills (igneous intrusions). Except for glacial deposits in the mountain peaks and various deposits in valleys of the Wasatch Range, surficial deposits are mainly west of the Salt Lake City segment of the Wasatch fault zone in the Salt Lake Valley. Thick late Pleistocene-age Lake Bonneville (30 to 13 ka) deltaic and lacustrine deposits are prevalent mostly west of the Wasatch fault zone. These deposits are terraced and incised by post-lake streams. The East Bench fault of the Salt Lake City segment of the Wasatch fault zone is the main Holocene-active normal fault in the quadrangle. A smaller-offset normal fault is mapped to the west of the East Bench fault and there is evidence for an older basin-bounding normal fault along the mountain front, that lacks evidence for Holocene offset.

Other Information:
Published: 2018
Pages: 29
Plates: 2
Scale: 1:24,000
Location: Utah
Media Type: Paper

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