Elko County Nevada Water Resource Management Plan 2007
Elko County Nevada Water Resource Management Plan 2007
Elko County Nevada Water Resource Management Plan 2007
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GEOLOGY AND SOILS:<br />
SECTION 1<br />
<strong>Elko</strong> <strong>County</strong> <strong>Water</strong> <strong>Resource</strong> <strong>Management</strong> <strong>Plan</strong><br />
<strong>Plan</strong> Development Information<br />
Hills and mountains consist mainly of Tertiary volcanic extrusives, Devonian limestone and Cretaceous granite.<br />
Valleys consist of consolidated and unconsolidated Tertiary and Pleistocene alluvial deposits of ash, tuff and<br />
clastic material. Floodplains are of recent unconsolidated Holocene alluvium. Basin floors in the east quarter<br />
of the county consist of Pleistocene and Holocene lacustrine and beach deposits. Typical soils found in the<br />
mountains and hills are steep, very gravelly, medium textured and moderately deep to bedrock. Valley soils are<br />
gently sloping, medium textured and are moderately deep to a hardpan. Soils on floodplains are nearly level,<br />
salt and alkali affected, fine textured and very deep. Soils found on basin floors in the Lake Bonneville region<br />
of the county are salt and alkali affected, nearly level, fine textured (upper horizon), coarse textured (lower<br />
horizons) and are very deep.<br />
Figure 9 - General Geology, <strong>Elko</strong><br />
<strong>County</strong>, by <strong>Nevada</strong> Bureau of Mines<br />
SECTION 1 - Page -11-
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