LOCATION PARIA                   AZ+UT

Established Series
HH/DJP
10/2018

PARIA SERIES

The Paria series consist of moderately deep excessively drained, rapid permeable soils formed in eolian and residuum sedimentary sand deposits derived from Navajo Formation sandstone. Paria soils are on ridges, structural benches and plateaus. Slope ranges 2 to 35 percent. The average annual precipitation is about 16 inches (406 mm), and the mean annual air temperature is about 48 degrees F (8.9 degrees C).

TAXONOMIC CLASS: Mesic, coated Ustic Quartzipsamments

TYPICAL PEDON: Paria loamy fine sand--rangeland, (Colors are for air-dry soil unless otherwise stated).

C1--0 to 3 inches (0 to 8 cm); light brown (7.5YR 6/4) loamy fine sand, brown (7.5YR 5/4), moist; 8 percent clay; single grain; loose, nonsticky and nonplastic; many very fine and common fine roots throughout; common very fine interstitial pores; noneffervescent; slightly alkaline, pH 7.4; abrupt smooth boundary.

C2--3 to 18 inches (8 to 46 cm); brown (7.5YR 5/4) loamy fine sand, brown (7.5YR 4/4), moist; 8 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common very fine and fine roots throughout; common very fine dendritic tubular pores; noneffervescent; neutral, pH 7.0; abrupt smooth boundary.

C3--18 to 28 inches (46 to 71 cm); yellowish red (5YR 5/6) loamy sand, yellowish red (5YR 4/6), moist; 10 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common very fine and fine roots throughout; common very fine dendritic tubular pores; noneffervescent; slightly alkaline, pH 7.4; abrupt wavy boundary.

C4--28 to 34 inches (71 to 86 cm); light brown (7.5YR 6/4) loamy fine sand, brown (7.5YR 5/4), moist; 7 percent clay; massive; slightly hard, very friable, nonsticky and nonplastic; common very fine and fine roots throughout; common very fine irregular pores; noneffervescent; slightly alkaline, pH 7.4.

R--34 to 43.5 inches (86 to 111 cm); unweathered, unfractured sandstone bedrock.

TYPE LOCATION: Coconino County, Arizona; Paria Plateau Sand Hills Project; Geographic Coordinate System: 36 46' 30.3" north, 111 55' 42.6" west WGS84; Universal Transverse Mercator 4070324 meters north, 417141 meters east NAD 83 Zone 12 North.

RANGE IN CHARACTERISTICS:
Soil moisture: Intermittently moist in some part of the soil moisture control section during July - September and December - February. Driest during May and June. Aridic Ustic soil moisture regime.
Mean annual soil temperature: 47 to 54 degrees Fahrenheit (8.3 to 12.2 degrees Celsius)
Depth: 20 to 40 inches (50 to 102 cm)
Rock fragments of the control section: 0 to 10 percent gravels or channers

Particle-size control section clay content: 4 to 12 percent

C Horizons
Hue: 7.5YR, 5YR
Value: 4 to 6 dry, 3 to 5 moist
Chroma: 3 to 6, dry or moist
Texture: sand, loamy sand, loamy fine sand, fine sandy loam, fine sand
Clay: 4 to 12 percent
Reaction: neutral to slightly alkaline

COMPETING SERIES: These are the Pinepoint (UT) soils. Pinepoint soils are deep and very deep.

GEOGRAPHIC SETTING:
Paria soils are on ridges, structural benches, sand sheets, and plateaus at elevations of 5040 to 7500 feet (1536 to 2,286 meters). Slopes range from 2 to 35 percent. These soils formed from eolian sand and weathered residuum sandstones. The mean annual precipitation is 13 to 18 inches (355 to 457 millimeters). The mean annual air temperature is 45 to 52 degrees Fahrenheit (7.22 to 11.1 degrees Celsius). The frost-free period is 120 to 150 days.

GEOGRAPHICALLY ASSOCIATED SOILS: These are the Parkwash (UT), Lindrith (NM) and the competing Pinepoint (UT) soils. Parkwash soils have a lithic contact within 20 inches and are in blowout areas on structural benches. Lindrith soils are very deep mixed alluvium on valley sides and fan terraces. Pinepoint soils are very deep eolian sands on climbing dunes and sand sheets on structural benches.

DRAINAGE AND PERMEABILITY: excessively drained; low runoff; rapid permeability.

USE AND VEGETATION: These soils are used for livestock grazing, and wildlife habitat. Vegetation is Colorado pinyon, Wyoming big sagebrush, blue grama, green rabbit brush, Utah juniper, pricklypear cactus and narrow leaf yucca.

DISTRIBUTION AND EXTENT: Northern Arizona and Southern Utah. The series is of limited extent. This soil is named after the plateau at the type location. LRR-D, MLRA 35

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Phoenix, Arizona

SERIES ESTABLISHED: Soil Survey of Kane County (UT642) 2017

REMARKS: Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon: the zone from 0 to 3 inches (0 to 8 cm) (A horizon)
Siliceous mineralogy: this soil contains more than 90 percent by weight silica minerals; the dominant mineral is quartz with very minor amounts of chalcedony
Lithic contact - 34 inches (86 cm)

Classified according to Soil Taxonomy, Second Edition, 1999; Keys to Soil Taxonomy, Twelfth Edition, 2014
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National Cooperative Soil Survey
U.S.A.