LOCATION CHANUTE                 WY

Tentative Series
ALB/DPG/DEW
05/2024

CHANUTE SERIES


Depth class: Deep and Very deep
Drainage class: Well drained
Saturated hydraulic conductivity class: Moderately low
Parent material: Slope alluvium or alluvium over residuum weathered from interbedded sedimentary rocks
Geomorphic location: Hillslopes, cuestas, dip slopes, alluvial fans, fan remnants, stream terraces, or structural benches
Slope range: 0 to 10 percent
Mean annual temperature: 4.5 degrees C (40 degrees F)
Mean annual precipitation: 205 millimeters (8 inches)

Taxonomic Class:
Coarse-loamy, mixed, superactive, frigid Sodic Ustic Haplocalcids

Typical Pedon:
Chanute fine sandy loam in rangeland. (Colors are for dry soil unless otherwise noted.)

A--0 to 10 centimeters; fine sandy loam, light yellowish brown (2.5Y 6/3) dry, olive brown (2.5Y 4/4) moist; weak thick platy structure; soft, very friable, slightly sticky, nonplastic; many very fine and fine roots throughout; common very fine vesicular pores; slightly effervescent; 7 percent gravels and 7 percent channers; moderately alkaline (pH 8.2); clear smooth boundary.

Bk--10 to 30 centimeters; fine sandy loam, light yellowish brown (2.5Y 6/4) dry, light olive brown (2.5Y 5/4) moist; moderate fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; common very fine and fine roots throughout; few very fine tubular pores; 3 percent clay bridges on all faces of peds; 95 percent calcium carbonate concretions on bottom of rock fragments and 1 percent calcium carbonate masses in matrix; strongly effervescent; 1 percent paragravels; moderately alkaline (pH 8.4); gradual smooth boundary.

Bkn1--30 to 44 centimeters; fine sandy loam, light yellowish brown (2.5Y 6/4) dry, light olive brown (2.5Y 5/4) moist; 3 percent (5YR 3/2) and 15 percent (10YR 7/1) mottles; moderate fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; few very fine and fine roots throughout; few very fine tubular pores;60 percent calcium carbonate concretions on bottom of rock fragments and 12 percent calcium carbonate masses in matrix; slightly effervescent; 3 percent paracobbles and 2 percent paragravels; strongly alkaline (pH 8.6); gradual smooth boundary.

Bkn2--44 to 70 centimeters; fine sandy loam, light yellowish brown (2.5Y 6/4) dry, light olive brown (2.5Y 5/4) moist; weak fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; few very fine and fine roots throughout; few very fine tubular pores; 50 percent calcium carbonate concretions on bottom of rock fragments and 4 percent calcium carbonate masses in matrix; strongly effervescent; 1 percent paragravels; strongly alkaline (pH 9.0); gradual smooth boundary.

BCn--70 to 120 centimeters; sandy clay loam, light olive brown (2.5Y 5/6) dry, olive (5Y 4/4) moist; weak fine subangular blocky parts to single grain; soft, very friable, moderately sticky, slightly plastic; few very fine irregular pores; noneffervescent; very strongly alkaline (pH 9.2); gradual smooth boundary.

C--120 to 200 centimeters; fine sandy loam, light olive brown (2.5Y 5/6) crushed dry, olive (5Y 5/4) moist; massive; soft, very friable, slightly sticky, nonplastic; few very fine irregular pores; noneffervescent; 7 percent parachanners; strongly alkaline (pH 8.8).

Type Location:
Sweetwater County, WY
USGS Quadrangle: Chrisman Ranch
Latitude: 41.8091944
Longitude: -109.5594750
Datum: WGS84
Coordinates source: Hand-held GPS

Range in Characteristics:
Depth to calcic horizon--5 to 62 centimeters
Depth to sodic properties--4 to 77 centimeters
Depth to bedrock--106 to 200 centimeters
Particle-size control section (weighted averages):
Clay content--9 to 17 percent
Sand content--51 to 81 percent
Total rock fragments--1 to 31 percent
(Individual horizons allow for textures with greater than 18 percent clay but are thin enough that the weighted average clay in the control section is less than 18 percent.)

A horizon(s):
Hue--10YR or 2.5Y
Value--5 to 7 dry; 3 or 4 moist
Chroma--2 to 4 dry; 3 or 4 moist
Texture (less than 2 mm fraction)--Fine sandy loam, sandy loam, loam, or loamy sand
Clay content--5 to 15 percent
Rock fragments--0 to 30 percent fragments; 0 to 30 percent channers, 0 to 25 percent gravels, 0 to 3 percent cobbles
Calcium carbonate equivalent--0 to 25 percent
Sodium absorption ratio--0 to 12
Reaction--pH 7.2 to 8.7
Thickness--4 to 12 centimeters

Bk/BCk horizon(s) (when present):
Hue--10YR, 2.5Y, or 7.5YR
Value--4 to 7 dry; 3 to 6 moist
Chroma--3 to 6 dry; 3 or 4 moist
Texture (less than 2 mm fraction)--Fine sandy loam, sandy loam, very fine sandy loam, loamy sand, or loam
Clay content--8 to 18 percent
Rock fragments--0 to 30 percent fragments, 0 to 20 percent gravels, 0 to 14 percent parachanners, 0 to 1 percent paragravels, 0 to 30 percent channers, 0 to 7 percent cobbles
Calcium carbonate equivalent--5 to 25 percent
Sodium absorption ratio--0 to 3
Reaction--pH 7.8 to 8.6
Thickness--0 to 109 centimeters

Bkn/BCkn horizon(s) (when present):
Hue--10YR, 2.5Y, or 5Y
Value--5 to 7 dry; 4 to 6 moist
Chroma--3 to 6 dry or moist
Texture (less than 2 mm fraction)--Fine sandy loam, very fine sandy loam, sandy loam, loam, loamy sand, loamy fine sand, or sand
Clay content--4 to 18 percent
Rock fragments--0 to 30 percent fragments; 0 to 20 percent gravels, 0 to 25 channers, 0 to 3 percent cobbles, 10 to 30 percent parachanners, 0 to 3 percent paragravels
Calcium carbonate equivalent--5 to 25 percent
Sodium absorption ratio--6 to 25
Reaction--pH 8.0 to 9.4
Thickness--0 to 90 centimeters

BCn (when present):
Hue--10YR, 2.5, 5Y
Value--5 to 7 dry; 4 to 6 moist
Chroma--3 to 6 dry or moist
Texture (less than 2 mm fraction)--Fine sandy loam, very fine sandy loam, sandy loam, sandy clay loam, or loam
Clay content--14 to 24 percent
Rock fragments--0 to 15 percent fragments; 0 to 15 percent gravels, 0 to 15 channers, 0 to 30 percent parachanners, 0 to 30 percent paragravels
Sodium absorption ratio--6 to 25
Reaction--pH 8.8 to 9.4
Thickness--0 to 50 centimeters

C horizon(s):
Hue--5Y, 2.5Y, or 10YR
Value--5 to 7 dry; 4 to 6 moist
Chroma--2 to 6 dry, 3 to 8 moist
Texture (less than 2 mm fraction)--Fine sandy loam, sandy loam, loam, very fine sandy loam, loamy sand, loamy fine sand, or fine sand
Clay content--1 to 18 percent
Rock fragments--0 to 55 percent fragments; 0 to 30 percent channers, 0 to 35 percent gravels, 0 to 4 percent cobbles, 0 to 55 percent parachanners, 0 to 30 percent paragravels
Calcium carbonate equivalent--0 to 25 percent
Sodium absorption ratio--0 to 25
Reaction--pH 8.0 to 9.7
Thickness--40 to 145 centimeters

Competing Series:
There are no competing soil series.

Geographic Settings:
Parent material--slope alluvium or alluvium over residuum weathered from interbedded sedimentary rocks
Landform-- Hillslopes, cuestas, dip slopes, alluvial fans, fan remnants, stream terraces, and structural benches
Slope--0 to 10 percent
Mean annual air temperature--2.5 to 7 degrees C (37 to 45 degrees F)
Mean annual precipitation--180 to 230 mm (7 to 9 inches)
Frost-free period--50 to 100 days
Elevation--1,840 to 2,210 meters (6,040 to 7,250 feet)
Climate--long, cold winters; cool, moist springs; short, warm summers

Geographically Associated Soils:
None listed.

Drainage and Saturated Hydraulic Conductivity:
Drainage class: Well drained
Saturated Hydraulic Conductivity: 0.5 to 1.5 m/sec

Use and Vegetation:
Chanute soils are primarily used for rangeland. The potential native vegetation is Indian ricegrass, Wyoming big sagebrush, Gardener's saltbush, green rabbitbrush, bottlebrush squirreltail, bud sagebrush, Sandberg bluegrass, thickspike wheatgrass, galleta, and needle and thread.

Distribution and Extent:
Chanute soils are of moderate extent in southwestern Wyoming; MLRA 34A.

Soil Survey Region (SSR) Responsible:
Bozeman, Montana

Series Proposed:
Sweetwater County, WY 2021. Chanute series is a coined phrase.

Remarks:
Typical Pedon Taxonomic Features:
Ochric epipedon--0 to 10 centimeters (A horizon)
Calcic horizon--10 to 70 centimeters (Bk, Bkn1, and Bkn2 horizons)
Secondary calcium carbonate accumulation--10 to 70 centimeters (Bk, Bkn1, and Bkn2 horizons)
Particle-size control section--25 to 100 centimeters
Taxonomic Version: Keys to Soil Taxonomy, 13th edition (2022)


National Cooperative Soil Survey
U.S.A.