LOCATION SODASPRING              NV

Established Series
Rev. CMH/EWB/WED/JBF
06/2016

SODASPRING SERIES


The Sodaspring series consists of very deep, well drained soils that formed in alluvium derived from mixed rocks. Sodaspring soils are on fan skirts and fan piedmonts. Slopes are 0 to 4 percent. The mean annual precipitation is about 100 mm and the mean annual temperature is about 12 degrees C.

TAXONOMIC CLASS: Coarse-loamy, mixed, superactive, calcareous, mesic Typic Torriorthents

TYPICAL PEDON: Sodaspring loamy sand--rangeland. (Colors are for dry soil unless otherwise noted.) The soil surface is partially covered with 20 percent gravel and 4 percent cobbles.

A1--0 to 5 cm; pale brown (10YR 6/3) loamy sand, brown (10YR 5/3) moist; massive; soft, very friable, nonsticky and nonplastic; many very fine interstitial pores; slightly effervescent; strongly alkaline (pH 8.8); clear wavy boundary. (3 to 8 cm thick)

A2--5 to 10 cm; very pale brown (10YR 7/3) coarse sandy loam, light yellowish brown (10YR 6/4) moist; massive; slightly hard, very friable, nonsticky and nonplastic; common very fine vesicular pores; violently effervescent; very strongly alkaline (pH 9.4); clear wavy boundary. (0 to 8 cm thick)

C--10 to 18 cm; pale brown (10YR 6/3) sandy loam, yellowish brown (10YR 5/4) moist; moderate thin platy structure; slightly hard, very friable, nonsticky and nonplastic; common very fine and fine roots; common very thin interstitial pores; violently effervescent; strongly alkaline (pH 8.9); clear wavy boundary. (8 to 28 cm thick)

2C--18 to 43 cm; light yellowish brown (10YR 6/4) gravelly coarse sand, yellowish brown (10YR 5/4) moist; single grained, loose, nonsticky and nonplastic; common very fine through medium roots; many very fine interstitial pores; 20 percent gravel; few carbonate coats on gravel bottoms; slightly effervescent; strongly alkaline (pH 8.6); clear wavy boundary. (20 to 30 cm thick)

3C1--43 to 56 cm; light yellowish brown (10YR 6/4) sandy loam, yellowish brown (10YR 5/4) moist; massive; slightly hard, very friable, nonsticky and nonplastic; few very fine and fine roots; many very fine interstitial pores; l0 percent gravel; few fine gypsum filaments; slightly effervescent; strongly alkaline (pH 8.6); clear wavy boundary. (10 to 30 cm thick)

3C2--56 to 81 cm; light yellowish brown (10YR 6/4) sandy loam, yellowish brown (10YR 5/4) moist; massive; soft, very friable, nonsticky and nonplastic; few very fine roots; many very fine interstitial pores; 5 percent gravel; slightly effervescent; strongly alkaline (pH 8.7); clear wavy boundary. (0 to 30 cm thick)

4C--81 to 114 cm; pale brown (10YR 6/3) gravelly coarse sandy loam, yellowish brown (10YR 5/4) moist; massive; slightly hard, very friable, nonsticky and nonplastic; few very fine roots; many very fine interstitial pores; 30 percent gravel; few fine carbonate filaments in root channels; strongly effervescent; strongly alkaline (ph 8.6); clear wavy boundary. (28 to 74 cm thick)

5C--114 to 152 cm; pale brown (10YR 6/3) sandy loam, yellowish brown (10YR 5/4) moist; massive; soft, very friable, nonsticky and nonplastic; few very fine roots; many very fine interstitial pores; 10 percent gravel; few fine carbonate filaments; strongly effervescent; strongly alkaline (pH 8.6).

TYPE LOCATION: Mineral County, Nevada; approximately 6/10 miles east and 7/10 miles north of Highways 95 and 23, about 2,370 feet west and 2,370 feet north of the southeast corner of section 27, T. 8 N., R. 34 E.; USGS Luning 7.5 minute topographic quadrangle; latitude 38 degrees 31 minutes, 22 seconds N and longitude 118 degrees 10 minutes 45 seconds W; WGS84 Decimal Degrees 38.522778 latitude, -118.179167 longitude.

RANGE IN CHARACTERISTICS:
Soil moisture: Usually dry, moist in some part for short periods during winter and early spring and for l0 to 20 days from cumulative between July and October due to convection storms. Dry in lower part of moisture control section, typic aridic soil moisture regime.
Mean annual soil temperature: 12 to 15 degrees C.
Reaction: Moderately alkaline through very strongly alkaline.
Electrical conductivity (EC): 4 to 16 mmhos/cm.
Sodium absorption ratio (SAR): 3 to 45.
Carbonates: Slightly effervescent through violently effervescent throughout.

Particle-size control section - Percent clay: Averages l0 to l8 percent with individual horizons ranging from 6 to l8 percent.
Rock fragments: Averages 15 to 35 percent with some strata having up to 60 percent rock fragments in some pedons; more than 50 percent of rock fragments are 2 to 5 mm. gravel.

A horizon
Value: 6 or 7 dry, 4 through 6 moist.
Chroma: 2 through 4.
Structure: Massive or single grained, or maybe coarse prismatic in some pedons.
Consistence: Soft or slightly hard dry or is single grained.

C horizon
Value: 6 or 7 dry, 4 through 6 moist.
Chroma: 3 or 4.
Texture: Stratified very gravelly coarse sand through sandy loam, averages gravelly coarse sandy loam.
Structure: Massive, subangular blocky, platy or single grained.
Consistence: Soft or slightly hard dry or is single grained.

COMPETING SERIES: These are the Apron, Fang, Fruitland, Ganaflan, Geer, Jeddito, Jenrid, Kumiva, Marcou, Mazuma, Moepitz, Piltdown, Shotnick, Toole, Trachute, Vanderhoff, Wentridge, and Worland series.

Apron soils have a mean annual soil temperature of 8 to 10 degrees C. Apron, Fang, Fruitland, Geer, Jeddito, Jenrid, Marcou, Mazuma, Piltdown, Shotnick, Toole, and Wentridge soils average less than l5 percent rock fragments in the control section. In addition, Fruitland and Piltdown soils also have an SAR less than l3. Ganaflan soils are moderately deep over a paralithic. Kumiva soils do not receive the 10 to 20 day summer precipitation. Mazuma and Geer soils are dominantly loam, very fine sandy loam or fine sandy loam in the control section. Marcou and Trachute soils have hue of 2.5YR to 7.5YR. Moepitz, Vanderhoff, Wentridge, and Worland soils have bedrock within 100 cm.

GEOGRAPHIC SETTING: Sodaspring soils are on alluvial fan skirts and fan piedmonts. These soils formed in mixed alluvium derived from dominantly granitic and rhyolitic rocks. Slopes are 0 to 4 percent. Elevations are 1,091 to 1,820 meters. The climate is cool, arid with cool, dry winters and warm, dry summers. The mean annual precipitation is 75 to 150 mm, mean annual temperature is 11 to 14 degrees C, and the frost-free season is 130 to 160 days.

GEOGRAPHICALLY ASSOCIATED SOILS: These are the Inmo, Gynelle, and Nuahs soils. Inmo and Gynelle soils are sandy-skeletal. Nuahs soils have a calcic horizon.

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY: Well drained; slow runoff; high saturated hydraulic conductivity.

USE AND VEGETATION: Rangeland and wildlife habitat. The present vegetation is mainly Cooper wolfberry, shadscale, Russian thistle and Indian ricegrass.

DISTRIBUTION AND EXTENT: Mineral County, Nevada. These soils are not extensive. MLRA 27.

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Davis, California

SERIES ESTABLISHED: Mineral County, Nevada, 1983.

REMARKS: Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon - The zone from the surface to 18 cm (A1. A2 and C1 horizons).
Particle-size control section - The zone from 40 to 100 cm (2C2, 3C3, 3C4, 4C5 horizons).


National Cooperative Soil Survey
U.S.A.