LOCATION INDICOVE NV
Established Series
Rev. JWM/DHZ/TM/JBF
06/2016
INDICOVE SERIES
The Indicove series consist of shallow to a duripan, well drained soils that formed in alluvium derived from quartzite. The Indicove soils are on fan remnants and ballenas. Slope ranges from 2 to 30 percent. The mean annual precipitation is about 225 mm and the mean annual temperature is about 10 degrees C.
TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive, mesic, shallow Xeric Argidurids
TYPICAL PEDON: Indicove extremely gravelly sandy clay loam, rangeland. (Colors are for dry soil unless otherwise noted). The surface is partially covered with 40 percent gravel and 5 percent cobbles.
A--0 to 8 cm; brown (10YR 5/3) extremely gravelly sandy clay loam, dark brown (10YR 3/3) moist; moderate very thin platy parting to moderate very fine granular structure; soft, very friable, slightly sticky, and slightly plastic; common very fine and fine roots; many very fine vesicular pores; 60 percent gravel; strongly effervescent; moderately alkaline (pH 8.0); clear wavy boundary. (6 to 10 cm thick)
Btkq1--8 to 20 cm; yellowish brown (10YR 5/4) extremely gravelly sandy clay loam, dark yellowish brown (10YR 4/4) moist; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, and slightly plastic; many very fine and fine and common medium roots; few very fine and common fine interstitial pores; few faint clay films between sand grains; common fine secondary calcium carbonate masses on the bottom of rock fragments; few fine secondary silica concretions on the bottom of rock fragments; 10 percent indurated duripan fragments, 50 percent gravel, and 5 percent cobbles; violently effervescent; moderately alkaline (pH 8.3); gradual wavy boundary. (10 to 15 cm thick)
Btkq2--20 to 43 cm; light yellowish brown (10YR 6/4) extremely gravelly sandy clay loam, yellowish brown (10YR 5/4) moist; weak medium subangular blocky structure; moderately hard, firm, slightly sticky, and slightly plastic; few very fine and fine roots; few very fine and common fine irregular pores; few faint clay bridges between sand grains; many fine and medium secondary calcium carbonate concretions as pendants on the bottom of rock fragments; many fine secondary silica concretions on the bottom of rock fragments; 10 percent indurated duripan fragments, 50 percent gravel, and 5 percent cobbles; violently effervescent; strongly alkaline (pH 8.6); very abrupt smooth boundary. (15 to 30 cm thick)
Bqkm--43 to 152 cm; very pale brown (10YR 8/2) cemented material, light gray (10YR 7/2) moist; massive; very rigid, indurated by secondary silica and calcium carbonate.
TYPE LOCATION: Lincoln County, Nevada; about 2 kilometers north of Chief Canyon, 4.3 kilometers west of Highway 93 and 20 meters northeast of jeep trail; about 670 meters south and 365 meters west of northeast corner of section 5, T. 3 S., R.67 E.; USGS Chief Mountain 7.5 minute topographic quadrangle; latitude 37 degrees 43 minutes 0.2 seconds N and longitude 114 degrees 30 minutes 14.3 seconds W;WGS84 Decimal Degrees 37.7167222 latitude, -114.5039722 longitude.
RANGE IN CHARACTERISTICS:
Soil moisture: Usually moist in winter and spring, dry in summer and fall except intermittently moist for 10 to 20 days between July and September due to convection storms; aridic soil moisture regime that borders on xeric.
Mean annual soil temperature: 8 to 12 degrees C.
Ochric epipedon thickness: 6 to 10 cm.
Depth to the base of argillic horizon and to duripan: 36 to 50 cm.
Particle-size control section - Clay content: 18 to 27 percent.
Rock fragments: 50 to 75 percent, mainly gravel of quartzite lithology.
A horizon
Value: 5 or 6 dry, 3 or 4 moist.
Chroma: 2 through 4, dry or moist.
Btkq horizons
Value: 5 or 6 dry, 3 through 5 moist.
Chroma: 4 through 6, dry or moist.
Texture: Sandy clay loam, loam, or clay loam.
Rock fragments: 50 to 75 percent, mainly gravel, with 0 to 10 percent cobbles and 0 to 10 percent indurated duripan fragments.
Concentrations: Secondary silica and secondary calcium carbonate in the form of nodules or concretions in the matrix and around rock fragments, 5 to 30 percent of the horizon.
Calcium carbonate equivalent: 1 to 10 percent.
Reaction: Moderately alkaline or strongly alkaline.
Bqkm horizon
Value: 7 or 8, dry or moist.
Chroma: 1 through 3, dry or moist.
Cementation: Very strongly cemented or indurated.
COMPETING SERIES: These are the
Brock,
Cleet,
Deepeek,
Hotcreek,
Lapon,
Littleailie,
Malmesa,
Oleman,
Shinnpeak,
Troughs,
Vinini, and
Wanapum series.
Brock,
Cleet, and
Deepeek soils are not moist for 10 to 20 days during July to October due to convection storms.
Hotcreek soils have bedrock immediately below the duripan and within 20 to 36 cm.
Lapon,
Troughs, and
Vinini soils have bedrock within 100 cm.
Littleailie soils have 5 to 25 percent volcanic glass in the 0.02 to 2 mm fraction.
Malmesa soils have bedrock at 20 to 36 cm.
Oleman soils have soil temperature of 12.8 to 14.4 degrees C. and have aridic soil moisture regimes that borders on ustic.
Shinnpeak and
Wanapum soils are noncalcareous above the duripan.
GEOGRAPHIC SETTING: Indicove soils are on fan remnants and ballenas at elevations of 1,500 to 1,850 meters. Slope are 2 to 30 percent. These soils formed in alluvium primarily from quartzite. The climate is cool, semiarid with a mean annual temperature of 7 to 11 degrees C. The mean annual precipitation is 200 to 250 mm. The frost free period is 100 to 130 days.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the
Huilepass and
Blackcan soils. Blackcan soils do not have argillic horizons. Huilepass soils are very deep.
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY: Well drained; very high runoff; moderately high saturated hydraulic conductivity.
USE AND VEGETATION: Used for wildlife habitat and livestock grazing. Present vegetation consists of black sagebrush, Indian ricegrass, bottlebrush squirreltail, and needleandthread with scattered Utah juniper. This pedon is correlated to Ecological Site R029XY008NV, Shallow Calcareous Loam 8-10 P.Z.
DISTRIBUTION AND EXTENT: Southeastern Nevada. Indicove soils are of small extent. MLRA 29.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Davis, California
SERIES ESTABLISHED: Lincoln County (Meadow Valley Area, NV713), Nevada, 2010.
REMARKS: Diagnostic horizon and features recognized in this pedon are:
Ochric epipedon - The zone from the surface to 8 cm (A horizon).
Argillic horizon - The zone from 8 to 43 cm (Btkq1 and Btkq2 horizons).
Duripan - The zone from 43 to 152 cm (Bqkm horizon).
Particle size control section - The zone from 8 to 43 cm (Btkq1 and Btkq2 horizons).
ADDITIONAL DATA: Pedon ID: 06NV613005-JWM.
National Cooperative Soil Survey
U.S.A.