LOCATION BARNEYCREEK OR
Established Series
Rev. RAW/RJO/DAL
11/2018
BARNEYCREEK SERIES
Landscape--mountains
Landform--terraces on mountain valleys
Slope--15 to 60 percent
Parent material--alluvium derived from mixed sources with an influence of volcanic ash in the upper part
Mean annual precipitation--about 510 mm
Mean annual air temperature--about 5 degrees C
Depth class--very deep
Drainage class--well drained
Soil moisture regime--xeric
Soil temperature regime--frigid
Soil moisture subclass--typic
TAXONOMIC CLASS: Loamy-skeletal, isotic, frigid Vitrandic Argixerolls
TYPICAL PEDON: Barneycreek stony ashy silt loam, forested, on a 45-percent, planar, southeast-facing slope at an elevation of 1500 m
Oi--0 to 3 cm; slightly decomposed leaves, needles, bark, and twigs
A--3 to 28 cm; stony ashy silt loam, brown (10YR 5/3) dry, very dark grayish brown (10YR 3/2) moist; moderate fine granular structure; slightly hard, very friable, slightly sticky and nonplastic; many very fine and fine and common medium roots; few fine tubular pores; 5 percent gravel, 5 percent cobbles, and 5 percent stones; slightly alkaline (pH 7.5); clear wavy boundary
2AB--28 to 48 cm; stony silt loam, brown (10YR 5/3) dry, dark brown (10YR 3/3) moist; moderate fine subangular blocky structure and moderate fine granular; hard, friable, moderately sticky and slightly plastic; common very fine and fine and few medium roots; few fine tubular pores; 10 percent gravel, 5 percent cobbles, and 5 percent stones; slightly acid (pH 6.5); gradual smooth boundary
2Bt1--48 to 74 cm; cobbly loam, yellowish brown (10YR 5/4) dry, brown (10YR 4/3) moist; moderate very fine and fine subangular blocky structure; hard, friable, moderately sticky and moderately plastic; common very fine and fine and few medium roots; common fine irregular pores and few fine tubular pores; many faint clay films on faces of peds; 5 percent gravel, 20 percent cobbles, and 5 percent stones; neutral (pH 7.0); gradual smooth boundary
2Bt2--74 to 112 cm; very cobbly sandy clay loam, brownish yellow (10YR 6/6) dry, dark yellowish brown (10YR 4/4) moist; moderate fine and medium subangular blocky structure; hard, friable, moderately sticky and moderately plastic; common fine and few medium roots; few fine tubular and irregular pores; many distinct clay films on faces of peds; 20 percent gravel, 25 percent cobbles, and 10 percent stones; neutral (pH 7.0); clear irregular boundary
2Bt3--112 to 127 cm; extremely stony clay loam, very pale brown (10YR 7/4) dry, dark yellowish brown (10YR 4/4) moist; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky and very plastic; common fine and few medium roots; few fine tubular pores; few prominent and many faint clay films on faces of peds; 20 percent gravel, 25 percent cobbles, and 25 percent stones; neutral (pH 7.0); gradual irregular boundary
2BC--127 to 155 cm; extremely stony loam, pale brown (10YR 6/3) dry, brown (10YR 4/3) moist; weak very fine subangular blocky structure; soft, friable, slightly sticky and moderately plastic; few fine roots; pores; few faint clay films on faces of peds; 20 percent gravel, 25 percent cobbles, and 25 percent stones; neutral (pH 7.0)
TYPE LOCATION: Baker County, Oregon; in section 4, T. 14 S., R. 36 E.; Rail Gulch U.S. Geological Survey quadrangle; latitude 44.3843275, longitude -118.3003382, datum WGS84 (Coordinates estimated from UTM on older OSD and slightly adjusted to match elevation and slope on OSD)
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--5 to 7 degrees C
Soil moisture--dry 60 to 75 days following summer solstice
Thickness of mollic epipedon--25 to 50 cm
Thickness of ash-influenced layers--18 to 25 cm
Estimated properties of layers influenced by volcanic ash
*Ammonium oxalate extractable Al + 1/2 Fe--0.3 to 0.9 percent
*Volcanic ash content in 0.02- to 2.0-mm fraction--5 to 15 percent
Particle-size control section
*Clay content--23 to 30 percent
*Total rock fragment content--45 to 65 percent
A horizon
Hue--7.5YR, 10YR
Chroma--2 or 3 dry
Fine-earth texture--ashy loam, ashy silt loam
Clay content--10 to 15 percent
Sand content--20 to 50 percent
Organic matter content--2.5 to 5.5 percent
Total rock fragment content--15 to 30 percent
Gravel content--5 to 20 percent
Cobble content--5 to 15 percent
Stone content--3 to 10 percent
Reaction--6.6 to 7.8
2AB horizon
Hue--7.5YR, 10YR
Chroma--2 or 3 dry
Fine-earth texture--loam, silt loam
Clay content--8 to 17 percent
Sand content--30 to 50 percent
Organic matter content--2.5 to 3.0 percent
Total rock fragment content--20 to 30 percent
Gravel content--10 to 20 percent
Cobble content--5 to 15 percent
Stone content--3 to 5 percent
Reaction--6.1 to 7.0
Combined thickness of A and AB horizons--25 to 50 cm
2Bt1 horizon
Hue--7.5YR, 10YR
Value--3 to 5 moist, 5 or 6 dry
Chroma--3 or 4 moist or dry
Fine-earth texture--loam, silt loam, sandy loam
Clay content--18 to 25 percent
Sand content--20 to 65 percent
Organic matter content--1 to 2 percent
Total rock fragment content--35 to 50 percent
Gravel content--15 to 35 percent
Cobble content--10 to 20 percent
Stone content--5 to 15 percent
Reaction--6.1 to 7.3
Thickness--20 to 40 cm
2Bt2 horizon
Hue--7.5YR, 10YR
Value--3 or 4 moist, 5 to 7 dry
Chroma--3 or 4 moist, 3 to 6 dry
Fine-earth texture--clay loam, sandy clay loam
Clay content--25 to 30 percent
Sand content--25 to 70 percent
Organic matter content--0.5 to 1.5 percent
Total rock fragment content--45 to 55 percent
Gravel content--20 to 25 percent
Cobble content--15 to 25 percent
Stone content--10 to 20 percent
Reaction--6.1 to 7.3
Thickness--35 to 55 cm
2Bt3 horizon
Hue--5YR, 10YR
Value--4 or 5 moist, 4 to 7 dry
Chroma--3 or 4 moist, 3 to 6 dry
Clay content--35 to 39 percent
Sand content--25 to 40 percent
Organic matter content--0.5 to 1.5 percent
Total rock fragment content--55 to 75 percent
Gravel content--20 to 45 percent
Cobble content--15 to 25 percent
Stone content--10 to 25 percent
Reaction--6.1 to 7.3
Thickness--15 to 55 cm
2BC horizon
Hue--7.5YR, 10YR
Value--6 or 7 dry
Chroma--3 or 4 moist or dry
Fine-earth texture--silt loam, loam, sandy clay loam
Clay content--20 to 25 percent
Sand content--25 to 40 percent
Organic matter content--0.5 to 1.0 percent
Total rock fragment content--60 to 75 percent
Gravel content--20 to 45 percent
Cobble content--15 to 25 percent
Stone content--15 to 25 percent
Reaction--6.1 to 7.3
COMPETING SERIES:
Getaway--deep (100 to 150 cm) to lithic contact (basalt); mollic epipedon 50 to 90 cm thick; dry 45 to 75 consecutive days in summer
Klicker--moderately deep (50 to 100 cm) to lithic contact (basalt); 0.4 to 0.8 percent ammonium oxalate Al plus one-half
Fe in upper 18 to 36 cm
Klickson--deep or very deep (more than 100 cm) to lithic contact; formed in colluvium derived from basalt or andesite; dry 45 to 60 consecutive days following summer solstice
Larabee--moderately deep (50 to 100 cm) to lithic contact (basalt); 0.8 to 1.5 percent ammonium oxalate Al plus one-half
Fe in surface horizon; dry 45 to 60 consecutive days in summer
Millerflat--dry 45 to 60 days
Muttoncamp--lithic contact at a depth of 50 to 100 cm
Ryespur--very deep (no lithic contact within a depth of 150 cm); formed in colluvium derived from till; mollic epipedon 40 to 75 cm thick; discontinuity between surface horizon and argillic horizon; dry 45 to 60 consecutive days in summer
Southworth--moderately deep (50 to 100 cm) to lithic contact (shale); channers and flagstones; dry 60 to 90 consecutive days in summer
Stemilt--deep or very deep (more than 100 cm) to lithic contact; formed in material derived from basalt and andesite; discontinuity between surface horizon and argillic horizon
Sycreek--moderately deep or deep (90 to 115 cm) to densic horizon (till); discontinuity between surface horizon and argillic horizon
Wileyflat--lithic contact at a depth of 50 to 100 cm
GEOGRAPHIC SETTING:
Lithology--Tertiary rock comprised of lithified alluvium and lacustrine sediment
Elevation--1410 to 1580 m
Climate--cold, wet winters; warm, dry summers
Mean annual precipitation--460 to 560 mm
Mean annual air temperature--4 to 6 degrees C
Frost-free period--40 to 75 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Stevensgulch--on backslopes and summits; eluvial horizon; argillic horizon; no mollic epipedon; under ponderosa pine,
Douglas-fir, common snowberry, blueleaf strawberry, and pinegrass
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Saturation during normal years--none
Flooding--none
Ponding-none
Saturated hydraulic conductivity (Ksat)--moderately high
USE AND VEGETATION:
Use--livestock grazing, timber production, watershed, recreation
Potential native vegetation--Douglas-fir, ponderosa pine, grand fir, elk sedge, heartleaf arnica, Wheeler bluegrass, wax currant, western fescue, Virginia strawberry, tailcup lupine, common yarrow, pinegrass
DISTRIBUTION AND EXTENT: Blue Mountains of northeastern Oregon; MLRA 10; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon
SERIES ESTABLISHED: Wallowa-Whitman National Forest, Oregon; 2012
REMARKS:
Diagnostic horizons and other features in this pedon
*Mollic epipedon--zone from 3 to 48 cm
*Argillic horizon--zone from 48 to 127 cm
*Volcanic glass--zone from 3 to 28 cm
*Depth to lithologic discontinuity--28 cm
*Particle-size control section--zone from 48 to 98 cm
7/2016--This official series description was updated according to SSR1 Technical Note 11--Content and Format of Official Series Descriptions (revised 12/2015). Most of the changes were in formatting; no major technical changes were made.
National Cooperative Soil Survey
U.S.A.