LOCATION PATELZICK               ID

Established Series
Rev. DJJ/RGK/CBR/EED
09/2018

PATELZICK SERIES

Landscape--alluvial plains
Landform--fan remnants
Slope--1 to 12 percent
Parent material--loess-influenced alluvium over rhyolite
Mean annual precipitation--about 350 mm
Mean annual air temperature--about 4 degrees C
Depth class--shallow
Drainage class--well drained
Soil moisture regime--xeric
Soil temperature regime--frigid

TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive, frigid, shallow Typic Durixerolls

TYPICAL PEDON: Patelzick stony loam on a 10-percent slope in an area of rangeland at an elevation of 1778 m

A--0 to 8 cm; stony loam, grayish brown (10YR 5/2) dry, very dark grayish brown (10YR 3/2) moist; weak thin platy structure; slightly hard, very friable, slightly sticky and slightly plastic; common very fine roots; common very fine irregular pores; 10 percent gravel, 3 percent flagstones, and 3 percent stones; slightly alkaline (pH 7.4); clear smooth boundary

Bt--8 to 20 cm; very gravelly clay loam, grayish brown (10YR 5/2) dry, very dark grayish brown (10YR 3/2) moist; moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky and moderately plastic; many very fine and fine roots; common very fine tubular pores; few thin clay films on ped faces; 25 percent gravel and 10 percent flagstones; slightly alkaline (pH 7.4); clear wavy boundary

Bk1--20 to 36 cm; very gravelly loam, pale brown (10YR 6/3) dry, brown (10YR 4/3) moist; moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky and slightly plastic; common very fine and fine roots; few very fine tubular pores; 30 percent gravel, 15 percent flagstones, and 3 percent stones; strongly effervescent; slightly alkaline (pH 7.6); clear irregular boundary

Bk2--36 to 43 cm; very gravelly sandy loam, very pale brown (10YR 7/3) dry, brown (10YR 5/3) moist; weak very fine subangular blocky structure; soft, very friable, nonsticky and nonplastic; common very fine roots; few very fine tubular pores; 40 percent gravel, 5 percent flagstones, and 2 percent stones; carbonate coatings on bottom of rock fragments; violently effervescent; moderately alkaline (pH 8.2); abrupt wavy boundary

Bkqm--43 to 48 cm; moderately cemented duripan, very pale brown (10YR 8/2) dry, pale brown (10YR 6/3) moist; abrupt smooth boundary

R--48 cm; rhyolite

TYPE LOCATION: Clark County, Idaho; about 8.9 km southwest of Spencer, Idaho; about 553 m north and 356 m east of the southwest corner of section 36, T. 12 N., R. 35 E.; Thunder Gulch U.S. Geological Survey quadrangle; latitude 44.32489 degrees north, longitude 112.28835 degrees west, datum WGS 84 (coordinates determined with a GPS)

RANGE IN CHARACTERISTICS:
Mean annual soil temperature--3 to 6 degrees C
Depth to bedrock--46 to 50 cm
Percentage of surface covered with stones--0.1 to 3.0 percent
Thickness of mollic epipedon--20 to 36 cm
Depth to argillic horizon--5 to 20 cm
Depth to secondary carbonates--20 to 30 cm
Depth to a duripan--25 to 50 cm

Particle-size control section
Clay content--28 to 35 percent
Total rock fragment content--35 to 50 percent

A horizon
Value--4 or 5 dry, 2 or 3 moist
Chroma--2 or 3 dry or moist
Reaction--7.2 to 7.6 (neutral or slightly alkaline)
Total rock fragment content--15 to 20 percent
Gravel content--10 to 20 percent
Flagstone content--0 to 5 percent
Stone content--0 to 5 percent
Thickness--5 to 10 cm

Bt horizon
Value--4 or 5 dry, 2 or 3 moist
Chroma--2 or 3 dry or moist
Texture--clay loam
Total rock fragment content--35 to 50 percent
Gravel content--20 to 35 percent
Flagstone content--0 to 15 percent
Reaction--7.2 to 7.6 (neutral or slightly alkaline)
Thickness--10 to 28 cm

Bk horizon
Value--6 to 8 dry, 4 or 5 moist
Chroma--2 or 3 dry or moist
Texture--loam, sandy loam
Total rock fragment content--35 to 60 percent
Gravel content--30 to 50 percent
Flagstone content--5 to 20 percent
Stone content--0 to 10 percent
Reaction--7.4 to 8.4 (slightly alkaline or moderately alkaline)
Thickness--20 to 50 cm

Bkqm
Cementation--weakly cemented to strongly cemented
Thickness--1 to 5 cm

COMPETING SERIES: None

GEOGRAPHIC SETTING:
Elevation--1700 to 2100 m
Climate--warm summers, cold winters
Mean annual precipitation--300 to 400 mm
Mean annual air temperature--3 to 6 degrees C
Frost-free period--70 to 90 days

GEOGRAPHICALLY ASSOCIATED SOILS: None listed

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Saturated hydraulic conductivity (Ksat)--high in upper part, low in lower part above lithic contact

USE AND VEGETATION:
Major use--rangeland
Potential natural vegetation--low sagebrush, bluebunch wheatgrass, Idaho fescue, Sandberg bluegrass

DISTRIBUTION AND EXTENT: Lost River Valleys and Mountains, Idaho; MLRA 12; small extent

SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon

SERIES ESTABLISHED: Clark County, Idaho; 2018

REMARKS:
Diagnostic horizons and other features recognized in this pedon
*Mollic epipedon--zone from the surface to a depth of 20 cm
*Argillic horizon--zone from 8 to 20 cm
*Duripan--zone from 43 to 48 cm
*Petrocalcic horizon--zone from 43 to 48 cm
*Depth to lithic contact--48 cm
*Particle-size control section--zone from 8 to 20 cm

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National Cooperative Soil Survey
U.S.A.