LOCATION WYASKET UTEstablished Series
TAXONOMIC CLASS: Fine-silty, mixed, superactive, calcareous, mesic Aeric Fluvaquents
TYPICAL PEDON: Wyasket loam, on a 1 percent, southeast facing slope, in pastureland at an elevation of 4,820 feet. (Colors are for moist soil unless otherwise stated.)
Ap--0 to 9 inches; dark grayish brown (10YR 4/2) loam, light brownish gray (10YR 6/2) dry; moderate very fine and fine subangular blocky structure; very hard, firm, moderately sticky and moderately plastic; common very fine, few fine roots; common very fine, few fine and medium tubular pores; common fine gypsum veins concentrated in root channels; slightly effervescent, (12 percent calcium carbonate equivalent), carbonates are disseminated; few fine distinct strong brown (7.5YR 4/6) redoximorphic concentrations; slightly alkaline (pH 7.7); abrupt smooth boundary. (3 to 13 inches thick)
BCy--9 to 22 inches; dark grayish brown (10YR 4/2) silt loam, pale brown (10YR 6/3) dry; weak fine and medium subangular blocky structure; very hard, firm, moderately sticky and moderately plastic; few very fine and fine roots; common very fine, few fine tubular pores; common fine gypsum veins concentrated in root channels; slightly effervescent, (12 percent calcium carbonate equivalent), carbonates are disseminated; few fine distinct strong brown (7.5YR 4/6) redoximorphic concentrations; moderately alkaline (pH 8.3); clear smooth boundary. (8 to 17 inches thick)
Cy--22 to 30 inches; dark brown (10YR 3/3) clay loam, pale brown (10YR 6/3) dry; massive; very hard, firm, moderately stick and moderately plastic; common very fine roots; common very fine, few fine tubular pores; common fine gypsum veins concentrated in root channels; slightly effervescent, (16 percent calcium carbonate equivalent), carbonates are disseminated; common fine and medium distinct strong brown (7.5YR 4/6) redoximorphic concentrations; moderately alkaline (pH 8.3); clear smooth boundary. (8 to 18 inches thick)
C1--30 to 36 inches; brown (10YR 4/3) silt loam, pale brown (10YR 6/3) dry; massive; very hard, firm, moderately sticky and moderately plastic; few very fine roots; common very fine, few fine tubular pores; slightly effervescent, (16 percent calcium carbonate equivalent), carbonates are disseminated; few prominent gray (5Y 6/1) redoximorphic depletions and common medium faint yellowish brown (10YR 5/4) redoximorphic concentrations; moderately alkaline (pH 8.4); clear smooth boundary. (0 to 17 inches thick)
C2--36 to 44 inches; olive brown (2.5Y 4/3) silt loam, light yellowish brown (2.5Y 6/3) dry, massive; hard, firm, moderately sticky and moderately plastic; few very fine roots; common very fine, few fine tubular pores; slightly effervescent, (16 percent calcium carbonate equivalent), carbonates are disseminated; common fine prominent gray (5Y 6/1) redoximorphic depletions and common fine prominent strong brown (7.5YR 4/6) redoximorphic concentrations; moderately alkaline (pH 8.4); clear wavy boundary. (0 to 15 inches thick)
C3--44 to 52 inches; olive brown (2.5Y 4/3) silt loam, pale brown (10YR 6/3) dry; massive; hard, firm, moderately sticky and moderately plastic; few very fine roots; common very fine, few fine tubular pores; slightly effervescent, (19 percent calcium carbonate equivalent), carbonates are disseminated and segregated as few fine threads; common fine prominent gray (5Y 6/1) redoximorphic depletions and common distinct brownish yellow (10YR 6/6) redoximorphic concentrations; moderately alkaline (pH 8.4); clear wavy boundary. (0 to 8 inches thick)
C4--52 to 60 inches; brown (10YR 4/3) silt loam, pale brown (10YR 6/3) dry; massive; hard, firm, moderately sticky and moderately plastic; few very fine roots; common very fine, few fine tubular pores; slightly effervescent, (20 percent calcium carbonate equivalent), carbonates are disseminated and segregated as few fine threads; few fine prominent gray (5Y 6/1) redoximorphic depletions, few fine prominent strong brown (7.5YR 4/6) and common medium distinct yellowish brown (10YR 5/6) redoximorphic concentrations; moderately alkaline (pH 8.1).
TYPE LOCATION: Uintah County, Utah; 100 feet south of U.S. Highway 40; 0.8 miles northeast of the Ashley Oil Field; 1,300 feet south, 1,400 feet west of the northeast corner of sec. 23, T.5S., R.22E., SLBM; USGS Rasmussen Hollow, Utah Quadrangle; 40 degrees, 22 minutes, 24 seconds north latitude and 109 degrees, 24 minutes, 18 seconds west longitude; NAD 027.
RANGE IN CHARACTERISTICS:
Soil moisture: This soil occurs in a typic aridic climatic zone. The soil moisture control section is influenced by a water table that is present throughout the year. The soil moisture regime is typic aridic with aquic conditions
Mean annual soil temperature: 47 to 49 degrees F
Depth to visible gypsum: from the surface to 3 inches
Depth to redox concentrations: from the surface to 8 inches
Depth to redox depletions: 25 to 40 inches
Depth to endosaturation: from the surface to 18 inches during the months of January through December. Meltwater is the source of saturation.
Particle-size control section (weighted average): 18 to 35 percent clay, and less than 15 percent coarser than very fine sand.
A horizon:
Hue: 10YR, 2.5Y or 5Y
Value: 6 or 7 dry, 4 or 5 moist
Textures: loam
Calcium carbonate equivalent: 10 to 20 percent
Percent gypsum: 1 to 4 percent
EC (mmhos/cm): 4 to 8
SAR: 0 to 5
Reaction: slightly alkaline to strongly alkaline
BCy horizon:
Hue: 10YR or 2.5Y
Value: 6 or 7 dry, 4 or 5 moist
Textures: silt loam or silty clay loam
Calcium carbonate equivalent: 10 to 20 percent
Percent gypsum: 1 to 5 percent gypsum
EC (mmhos/cm): 4 to 8
SAR: 5 to 13
Reaction: moderately alkaline or strongly alkaline
Cy and C horizons:
Hue: 10YR or 2.5Y
Value: 6 or 7 dry, 3 to 5 moist
Chroma: 2 to 4 dry or moist
Textures: silt loam, silty clay loam or clay loam
Calcium carbonate equivalent: 10 to 20 percent
Percent gypsum: 1 to 5 percent
EC (mmhos/cm): 4 to 8
SAR: 5 to 13
Reaction: moderately alkaline or strongly alkaline
COMPETING SERIES: Currently, there are no competing series. Competitors prior to the Seventh Edition, 1996 Keys to Soil Taxonomy are the Bloom, Caneek, and Sonoma series.
Bloom soils have average annual soil temperatures of 52 to 56 degrees F.
Caneek soils have gleyed C horizons overlying buried A horizons.
Sonoma soils formed in alluvium derived from volcanic ash, have mean annual soil temperature greater than 49 degrees F, and have buried A horizons.
GEOGRAPHIC SETTING:
Parent material: alluvium from sandstone, shale, limestone and quartzite
Landform: flood plains, drainageways
Slopes: 0 to 4 percent
Elevation: 4,600 to 5,600 feet
Mean annual air temperature: 45 to 47 degrees F.
Mean annual precipitation: 5 to 8 inches
Frost-free period: 110 to 125 days
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Ashley, Green River, Ohtog, and Turzo soils. Ashley soils are on flood plains and have a coarse-loamy over fragmental particle-size control section. Green River soils are on flood plains and have a coarse-loamy particle-size control section. Ohtog and Turzo soils are on alluvial flats and have fine-loamy particle-size control sections.
DRAINAGE AND PERMEABILITY: Poorly and very poorly drained; negligible to medium runoff; moderately slow or slow permeability. Typically the depth to a water table ranges from 0 to 18 inches during the months of January through December. These soils are occasionally flooded for brief to long periods during the months of March through July. Meltwater is the source of flooding.
USE AND VEGETATION: These soils are used principally for irrigated cropland, irrigated pasture and rangeland. Potential vegetation consists of inland saltgrass, alkali sacaton, skunkbush sumac and sandbar willow. This soil has been correlated to the Wet Saline Streambank (Sandbar Willow) - 034XY026UT range site at the type location in Utah.
DISTRIBUTION AND EXTENT: Northeast Utah; LRR D, MLRA 34. The series is of small extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Bozeman, Montana
SERIES ESTABLISHED: Uintah County, Uintah Area Soil Survey, Utah, 1998. The name comes from a geographic feature in the survey area.
REMARKS: Diagnostic horizons and features recognized in this pedon are:
Particle-size control section: The zone from 10 to 40 inches. (BCy, Cy, C1, and C2 horizons)
Ochric epipedon: The zone from 0 to 9 inches (Ap horizon).
Redoximorphic concentrations: entire profile
Redoximorphic depletions: In the zone from 36 to 60 inches. (C2, C3, and C4 horizons)
Irregular decrease in organic carbon starting with the BC horizon.
Aquic conditions: Presence of meltwater induced endosaturation from the surface to 18 inches during the months of January through December, accompanied by the presence of redox concentrations and depletions.
Taxonomic version: Eighth Edition, 1998.
ADDITIONAL DATA:
A reference sample from pedon S91UT-047-002 in Uintah County, Utah. The cation exchange activity class was determined from laboratory data.