LOCATION ANALULU                 OR

Established Series
Rev. AEK/RJO/KMS
11/2018

ANALULU SERIES

Landscape--mountains
Landform--mountain slopes; south-facing, convex backslopes
Slope--0 to 90 percent
Parent material--colluvium derived from metasedimentary or metavolcanic rock with an influence of volcanic ash in the upper part, colluvium and residuum derived from basalt with an influence of volcanic ash in the upper part
Mean annual precipitation--about 710 mm
Mean annual air temperature--about 5 degrees C
Depth class--moderately deep to lithic bedrock
Drainage class--well drained
Soil moisture regime--xeric
Soil temperature regime--frigid
Soil moisture subclass--typic

TAXONOMIC CLASS: Loamy-skeletal, isotic, frigid Vitrandic Haploxerepts

TYPICAL PEDON: Analulu gravelly sandy loam in an area of woodland, on a 27-percent, south-facing slope at an elevation of 1550 m

A--0 to 16 cm; gravelly ashy loam, brown (10YR 5/3) dry, very dark grayish brown (10YR 3/2) moist; moderate fine and medium subangular blocky structure; soft, friable, nonsticky and nonplastic; common fine and few medium roots; common fine tubular pores; 30 percent gravel; moderately acid (pH 6.0); clear smooth boundary

Bw--16 to 49 cm; gravelly ashy loam, very pale brown (10YR 7/3) dry, yellowish brown (10YR 5/4) moist; weak medium subangular blocky structure parting to moderate fine and moderate very fine subangular blocky; slightly hard, friable, slightly sticky and nonplastic; common fine, medium, and coarse roots throughout; common fine and medium tubular pores; 30 percent gravel; moderately acid (pH 6.0); clear smooth boundary

2BC--49 to 64 cm; very gravelly loam, very pale brown (10YR 8/2) dry, light gray (10YR 7/2) moist; weak very fine subangular blocky structure; slightly hard, firm, slightly sticky and nonplastic; common fine, medium, and coarse roots throughout; common fine irregular and tubular pores; 40 percent gravel; strongly acid (pH 5.5); gradual smooth boundary

2C--64 to 87 cm; very gravelly loam, very pale brown (10YR 8/2) dry, light gray (10YR 7/2) moist; massive; slightly hard, firm, slightly sticky and nonplastic; common fine roots; common fine irregular pores; 55 percent gravel; strongly acid (pH 5.5); clear smooth boundary

2R--87 cm; fractured argillite

TYPE LOCATION: Baker County, Oregon about, 485 m west and 485 m north of the southeast corner of section 2, T. 10 S., R. 38 E; latitude 44.7205238, longitude -118.0187495, WGS84 Datum (Coordinates estimated from PLSS Details)

RANGE IN CHARACTERISTICS:
Soil moisture--usually moist, but dry 45 to 60 consecutive days following summer solstice
Mean annual soil temperature--about 4 to 8 degrees C
Depth to lithic contact--50 to 100 cm
Thickness of ash-influenced layers--20 to 35 cm

Estimated properties of layers influenced by volcanic ash
*Ammonium oxalate extractable Al + Fe--0.5 to 1.0 percent
*1/3-bar bulk density--0.85 to 1.0 g/cm3
*Phosphate retention--35 to 55 percent

Particle-size control section
*Clay content--8 to 15 percent
*Total rock fragment content--35 to 75 percent

A horizon
Hue--10YR, 7.5YR
Value--2 or 3 moist, 4 or 5 dry
Chroma--2 or 3 moist, 2 to 4 dry
Fine-earth texture--fine sandy loam, loam
Clay content--5 to 15 percent
Sand content--35 to 50 percent
Organic matter content--1 to 7 percent
Total rock fragment content--20 to 35 percent
Gravel content--20 to 35 percent
Cobble content--0 to 5 percent
Stone content--0 to 5 percent
Boulder content--0 to 5 percent
Reaction--5.6 to 6.5

Bw horizon
Hue--10YR, 7.5YR
Value--3 to 5 moist, 5 to 7 dry
Chroma--3 or 4 moist or dry
Fine-earth texture--ashy silt loam, ashy loam, ashy sandy loam
Clay content--8 to 15 percent
Sand content--25 to 60 percent
Organic matter content--0.5 to 4.0 percent
Total rock fragment content--20 to 50 percent
Gravel content--20 to 35 percent
Cobble content--0 to 10 percent
Stone content--0 to 5 percent
Boulder content--0 to 5 percent
Reaction--5.6 to 7.5

2BC horizon
Hue--10YR, 7.5YR
Value--4 to 7 moist, 5 to 8 dry
Chroma--2 to 4 moist or dry
Fine-earth texture--loam, silt loam
Clay content--8 to 15 percent
Sand content--25 to 50 percent
Organic matter content--0.5 to 2.0 percent
Total rock fragment content--35 to 75 percent
Gravel content--30 to 55 percent
Cobble content--0 to 20 percent
Stone content--0 to 5 percent
Boulder content--0 to 5 percent
Reaction--5.6 to 6.5

2C horizon
Hue--10YR, 7.5YR
Value--4 to 7 moist, 5 to 8 dry
Chroma--2 to 4 moist or dry
Fine-earth texture--loam, silt loam
Clay content--8 to 15 percent
Sand content--25 to 50 percent
Organic matter content--0.5 to 2.0 percent
Total rock fragment content--35 to 75 percent
Gravel content--30 to 55 percent
Cobble content--0 to 20 percent
Stone content--0 to 5 percent
Reaction--5.6 to 6.5

COMPETING SERIES:
Ardenvoir, Ardtoo--paralithic contact below a depth of 100 cm
Blackprince--paralithic contact at a depth of 50 to 100 cm
Blinn--18 to 27 percent clay and more than 35 percent angular basalt fragments, including 15 to 70 percent stones, in particle-size control section
Brevco--dry 60 to 75 consecutive days following summer solstice; moist bulk density of 1.20 to 1.55 g/cm3 in upper 20 to 35 cm; dominantly granitic rock fragments
Coxit--more than 150 cm deep to bedrock; dry 60 to 75 consecutive days following summer solstice
Daxty--channers and flagstones throughout
Easte--paralithic contact below a depth of 100 cm
Highhorn--100 to 150 cm (deep) to lithic contact (argillite); 27 to 35 percent clay in particle-size control section; 40 to 60 percent volcanic glass in upper 20 to 35 cm
Huntrock--27 to 35 percent clay in particle-size control section; 40 to 60 percent volcanic glass in upper 20 to 35 cm
Jimbluff, Jumpe--more than 150 cm (very deep) to bedrock; dry 60 to 75 consecutive days following summer solstice
Kamela--dry 45 to 75 consecutive days following summer solstice; 18 to 27 percent clay; dominantly basalt fragments in particle-size control section
Lekrem--deep or very deep
Lemoncreek--18 to 25 percent clay in substratum
Longort--50 to 100 cm (moderately deep) to densic contact
Minaloosa--no lithic contact in the upper 150 cm
Noil--100 to 150 cm (deep) to paralithic contact (schist)
Ontrail--more than 150 cm (very deep) to bedrock
Radercreek--100 to 150 cm (deep) to lithic contact (sandstone)
Redpeak--hue of 5YR or 2.5YR; dry 60 to 75 consecutive days following summer solstice
Santop--dry 60 to 75 consecutive days following summer solstice; moist bulk density of 1.1 to 1.4 g/cm3 in upper 25 to 45 cm
Seeburg--very deep; dry 60 to 75 consecutive days following summer solstice; 4 to 7 percent clay in particle-size control section
Thout--dry 60 to 75 consecutive days following summer solstice; particle-size control section includes rounded glacial till fragments
Threecabin, Warfield--lithic contact below a depth of 100 cm

GEOGRAPHIC SETTING:
Elevation--850 to 1890 m
Climate--cold, wet winters; cool to warm, moist to dry summers
Mean annual precipitation--440 to 1200 mm
Mean annual air temperature--about 3 to 7 degrees C
Frost-free period--45 to 85 days

GEOGRAPHICALLY ASSOCIATED SOILS:
Bluecanyon--25 to 50 cm thick (shallow); on side slopes and ridges of mountains
Crackler--andic properties more than 35 cm thick
Eastpine--mollic epipedon; on ridges, shoulders, and side slopes of mountains
Thirstygulch--mollic epipedon; 25 to 50 cm thick (shallow); on ridges and side slopes of mountains

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Saturation during normal years--none
Flooding--none
Ponding--none
Saturated hydraulic conductivity (Ksat)--moderately high or high over moderately high

USE AND VEGETATION:
Use--timber production, watershed, wildlife habitat; recreation
Native vegetation--Douglas-fir, ponderosa pine, grand fir, western larch, lodgepole pine, western juniper, subalpine fir, pinegrass, common snowberry, western fescue, elk sedge, heartleaf arnica, woodland strawberry, rose, white spirea, largeleaf sandwort, cinquefoil, grouse huckleberry, white hawkweed, tailcup lupine, showy aster, blue wildrye, American vetch, Virginia strawberry, low Oregon grape, big huckleberry, Saskatoon serviceberry, pinemat manzanita, western needlegrass, western meadow-rue, lupine, prince's pine, common yarrow, wax currant, northwestern sedge, baldhip rose

DISTRIBUTION AND EXTENT: Blue Mountains in northeastern Oregon; MLRA 10; moderate extent

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

SERIES ESTABLISHED: Wallowa County, Oregon; 1998

REMARKS:
Diagnostic horizons and other features in this pedon
*Ochric epipedon
*Cambic horizon--zone from 16 to 64 cm
*Volcanic glass--zone from the surface to a depth of 49 cm
*Depth to lithologic discontinuity--49 cm
*Particle-size control section--zone from 25 to 84 cm

Dominant U.S. Department of Agriculture, Forest Service, plant communities--PSME/CARU, PSME/SYAL, PIPO/SYAL; ABGR/CARU, ABGR/SPBE, and ABGR/ACGL in areas of moist phases

5/2016--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.

ADDITIONAL DATA:
Laboratory data--sample number Sl97OR-001-003; Baker County, Oregon; Kellogg Soil Survey Laboratory, Lincoln, Nebraska; 11/1996

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National Cooperative Soil Survey
U.S.A.