LOCATION GOJIYA NMEstablished Series
TAXONOMIC CLASS: Fine, smectitic, mesic Torrertic Haplustepts
TYPICAL PEDON: Gojiya silty clay, on a southeast facing, planar, 1 percent slope in rangeland at an elevation of 7260 feet. (Colors are for dry soil unless otherwise noted.) When described on September 30, 1999, the soil was moist from 2 to 70 inches and saturated below.
A--0 to 2 inches; grayish brown (2.5Y 5/2) silty clay, dark grayish brown (2.5Y 4/2) moist; weak very fine granular structure; slightly hard, firm, moderately sticky and moderately plastic; common very fine roots; slightly effervescent; nonsaline (E.C. 0.7 mmhos/cm); slightly alkaline (pH 7.8) clear smooth boundary. (1 to 3 inches thick)
Bw1--2 to 9 inches; grayish brown (2.5Y 5/2) silty clay, dark grayish brown (2.5Y 4/2) moist; moderate fine angular blocky structure; hard, firm, moderately sticky and moderately plastic; common very fine roots; few very fine tubular pores; common very fine filaments of salt; very slightly saline (E.C. 3.5 mmhos/cm); slightly effervescent; few fine faint redox concentrations, light olive brown (2.5Y 5/6) moist; moderately alkaline(pH 8.0); clear smooth boundary. (3 to 10 inches thick)
Bw2--9 to 16 inches; grayish brown (2.5Y 5/2) silty clay, dark grayish brown (2.5Y 4/2) moist; moderate fine angular blocky structure; hard, firm, moderately sticky and moderately plastic; few very fine roots; few very fine tubular pores; few fine distinct pressure faces; few very fine filaments of salt; very slightly saline; (E.C. 2.8 mmhos/cm); slightly effervescent; few fine faint redox concentrations, light olive brown (2.5Y 5/6) moist; moderately alkaline (pH 8.0); clear smooth boundary. (0 to 10 inches thick)
Cz1--16 to 50 inches; grayish brown (2.5Y 5/2) silty clay, dark grayish brown (2.5Y 4/2) moist; weak fine angular blocky structure; very hard, firm, moderately sticky and moderately plastic; few very fine roots; few very fine tubular pores; few fine distinct pressure faces; common medium seams and filaments of gypsum and salts more soluble than gypsum; moderately saline (E.C. 9.5 mmhos/cm); slightly effervescent; few fine faint redox concentrations, light olive brown (2.5Y 5/6) moist; moderately alkaline (pH 8.0); clear smooth boundary.
Cz2--50 to 70 inches; light brownish gray (2.5Y 6/2) silty clay loam, grayish brown (2.5Y 5/2) moist; massive; very hard, firm, moderately sticky and moderately plastic; few very fine roots; few very fine tubular pores; few fine filaments and seams of gypsum and salts more soluble than gypsum; slightly saline (E.C. 7.9 mmhos/cm); very slightly effervescent; common fine faint redox concentrations, light olive brown (2.5Y 5/6) moist; moderately alkaline (pH 8.0); clear smooth boundary
Cz3--70 to 80 inches; gray (2.5Y 6/1) silty clay loam, gray (2.5Y 5/1) moist; massive; very hard, firm, moderately sticky and moderately plastic; few very fine roots; few very fine tubular pores; few fine filaments of gypsum and salts more soluble than gypsum (E.C. 3.7 mmhos/cm); very slightly effervescent; few fine faint redox concentrations, light olive brown (2.5Y 5/6) moist; moderately alkaline (pH 8.0); clear smooth boundary.
TYPE LOCATION: Rio Arriba County, New Mexico; about 1000 feet north of Stone Lake; located about 1,200 feet south and 880 feet east of the NW corner of Sec. 18, T. 29 N., R. 1 E.; Apache Mesa USGS quad; lat. 36 degrees 44 minutes 45 seconds N. and long. 106 degrees 52 minutes 28 seconds W., NAD 27.
RANGE IN CHARACTERISTICS:
Soil moisture: The soil moisture control section is affected by precipitation that is evenly distributed throughout the year with the exception of a significant peak during July and August, and a significant decrease from April through June. June is the driest month. (Aridic Ustic moisture regime.) This soil receives additional moisture through runon from surrounding uplands and capillary movement from the water table.
Mean annual soil temperature: 45 to 52 degrees F
Mean summer soil temperature: 55 to 65 degrees F
Depth to endosaturation: 50 to 80 inches
Vertic features: cracking throughout at depth of 0-12 inches in normal years, COLE of >0.06 in the upper 40 inches.
Particle-size control section (weighted average):
Clay content: 45 to 60 percent
Sand content: 10 to 40 percent
A horizon:
Hue: 10YR to 2.5Y
Value: 4 to 6
Chroma: 1 to 3
Clay content: 40 to 50 percent
Calcium carbonate equivalent: 0 to 5 percent
EC (mmhos/cm): 0 to 4
SAR: 0 to 5
Bw horizons:
Hue: 10YR to 2.5Y
Value: 4 to 6
Chroma: 1 to 2
Texture: silty clay or clay
Clay content: 40 to 60 percent
Calcium carbonate equivalent: 0 to 5 percent
EC (mmhos/cm): 2 to 4
Gypsum: 1 to 5 percent
SAR: 0 to 10
Reaction: slightly to moderately alkaline
Cz horizons:
Hue: 10YR to 2.5Y
Value: 4 to 6
Chroma: 1 to 2
Texture: silty clay loam, silty clay, or clay
Clay content: 28 to 60 percent
Calcium carbonate equivalent: 0 to 15 percent
EC (mmhos/cm): 2 to 10
Gypsum: 1 to 5 percent
SAR: 0 to 10
Reaction: slightly to moderately alkaline
COMPETING SERIES: These are the
Denby and
Echeta series.
Denby and Echeta soils are well drained.
GEOGRAPHIC SETTING:
Parent material: alluvium derived from sandstone and shale
Landform: drainageways, stream terraces, and lake plains
Slopes: 0 to 3 percent
Elevation: 6,900 to 7,300 feet
Mean annual temperature: 45 to 48 degrees F
Mean annual precipitation: 14 to 16 inches
Precipitation pattern: Precipitation falls mostly during the months of November through March and July through October. June is the driest month. Total snowfall averages about 3 to 4 feet with snowmelt lasting into April.
Frost-free period: 100 to 130 days.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Cementlake, Horselake, and Orlie soils. The Cementlake and Orlie soils have argillic horizons and are on higher valley slopes. The Horselake soils are moderately deep to shale and are on low hills.
DRAINAGE AND PERMEABILITY: Somewhat poorly drained, slow to medium runoff, very slow permeability, ponded for short periods during the months of April to May.
USE AND VEGETATION: The major uses are livestock grazing and wildlife habitat. The native plant community is inland saltgrass, alkali sacaton, and foxtail barley.
DISTRIBUTION AND EXTENT: Northwestern New Mexico; MLRA 36; minor extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Bozeman, Montana
SERIES ESTABLISHED: Rio Arriba County, New Mexico, Jicarilla Apache Area, Parts of Rio Arriba and Sandoval Counties Soil Survey. The name Gojiya is a local cultural celebration.
REMARKS:
Diagnostic horizons and features recognized in this pedon are:
Particle-size control section: The zone from 10 to 40 inches. (Bw2, Cz1 horizons)
Ochric epipedon: The zone from 0 to 2 inches. (A horizons)
Redoximorphic concentrations: In the zone from 50 to 80 inches. (Cz4 horizon)
Vertic features: The presence of cracks at 0 to 12 inches in normal years, and a COLE of > 0.06. (A, Bw1, Bw2, Cz1 horizons)
Endosaturation: The zone of saturation at 70 to 80 inches. (Cz3 horizon)
Other features: saline concentrations varying with moisture status and depth. (A, Bw1, Bw2, Cz1, Cz2, Cz3 horizons)
Remarks:
The assignment of the cation-exchange activity class is inferred from lab data from similar soils in the surrounding area.
Taxonomic Version: Second Edition, 1999
ADDITIONAL DATA: Electrical conductivity values taken with GLA M33.1 Salinity Meter.