PEDON DESCRIPTION

Print Date: 11/23/2009Country: United States
Description Date: 08/19/2003State: Oregon
Describer: ROBERT OTTERSBURGCounty: Wallowa
Site ID: 03-RJO-02MLRA:
Site Note: Soil Survey Area:
Pedon ID: 03OR063001Map Unit:
Pedon Note: Quad Name: Joseph, Oregon
Lab Source ID: SSLLocation Description:
Lab Pedon #: 04N0769Legal Description: SE 1/4, SW 1/4, SE 1/4 of Section 27, Township 3 S, Range 45E
Soil Name as Described/Sampled: ANGELPEAK (LIKE)Latitude: 45 degrees 15 minutes 54.78 seconds north
Soil Name as Correlated: Longitude: 117 degrees 10 minutes 25.44 seconds west
Classification: Ashy over loamy-skeletal, amorphic over isotic Humic VitricryandsDatum:
Pedon Type: UTM Zone:
Pedon Purpose: research siteUTM Easting:
Taxon Kind: UTM Northing:
Associated Soils:
Physiographic Division: Pacific MountainPrimary Earth Cover:
Physiographic Province: Columbia PlateauSecondary Earth Cover:
Physiographic Section: Blue Mountain sectionExisting Vegetation: Engelmann spruce, Virginia strawberry, Wyeth biscuitroot, arnica, aster, common yarrow, goldenrod, grouse huckleberry, lodgepole pine, onion, pink mountain-heather, skunkleaf polemonium, subalpine fir, whitebark pine
State Physiographic Area: Parent Material: volcanic ash over mixed-igneous-metamorphic & sedimentary
Local Physiographic Area: Bedrock Kind:
Geomorphic Setting: on shoulder of head slope of mountainflank, upper third of None AssignedBedrock Depth:
Upslope Shape: convexBedrock Hardness:
Cross Slope Shape: linearBedrock Fracture Interval:
Particle Size Control Section: Surface Fragments:
Description origin: Windows PedonDescription database: NSSL
Diagnostic Features: umbric epipedon 5 to 21 cm.
cambic horizon 84 to 121 cm.



Cont. Site ID: 03-RJO-02Pedon ID: 03OR063001

Slope (%)Elevation (meters)Aspect (deg)MAAT (C)MSAT (C)MWAT (C)MAP (mm)Frost-Free DaysDrainage ClassSlope Length (meters)Upslope Length (meters)
10.02,396.0190





50

Oi--0 to 3 centimeters. Lab sample # 04N04366. needles, cones, twigs

Oe--3 to 5 centimeters; few fine roots throughout and few medium roots throughout. Lab sample # 04N04367. Decomposing organic matter

A--5 to 13 centimeters; very dark brown (7.5YR 2.5/2) crushed fine sandy loam, ashy, brown (7.5YR 4/3) broken face, dry; 55 percent sand; 40 percent silt; 5 percent clay; weak medium subangular blocky, and weak fine subangular blocky, and weak very fine subangular blocky structure; very friable, soft, nonsticky, nonplastic; common fine roots throughout and common medium roots throughout and few coarse roots throughout and few very coarse roots throughout and common very fine roots throughout; few very fine interstitial pores; 5 percent 2- to 75-millimeter basic igneous rock fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # 04N04368

Bw--13 to 36 centimeters; fine sandy loam, ashy; 55 percent sand; 37 percent silt; 8 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; very friable, soft, nonsticky, nonplastic; common fine roots throughout and common medium roots throughout and common coarse roots throughout and common very coarse roots throughout; few fine tubular and few very fine tubular pores; 10 percent 2- to 75-millimeter basic igneous rock fragments; moderately acid, pH 5.6; gradual smooth boundary. Lab sample # 04N04369

BC--36 to 71 centimeters; gravelly fine sandy loam; 50 percent sand; 44 percent silt; 6 percent clay; weak very fine subangular blocky structure; very friable, soft, nonsticky, nonplastic; common fine roots throughout and common medium roots throughout and few coarse roots throughout and few very coarse roots throughout; few very fine tubular and few very fine irregular pores; 15 percent 2- to 75-millimeter basic igneous rock fragments; moderately acid, pH 6.0; abrupt wavy boundary. Lab sample # 04N04370

2Eb--71 to 84 centimeters; very gravelly fine sandy loam; 65 percent sand; 25 percent silt; 10 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; very friable, slightly hard, nonsticky, nonplastic; common fine roots throughout and common medium roots throughout and few coarse roots throughout; few very fine tubular pores; 10 percent 75- to 250- millimeter unspecified fragments and 25 percent 2- to 75-millimeter unspecified fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # 04N04371

2Bwb--84 to 122 centimeters; very cobbly fine sandy loam; 75 percent sand; 11 percent silt; 14 percent clay; weak very fine and fine subangular blocky structure; friable, slightly hard, slightly sticky, slightly plastic; common fine roots throughout and common medium roots throughout; few very fine tubular pores; 20 percent 75- to 250-millimeter unspecified fragments and 35 percent 2- to 75- millimeter unspecified fragments; slightly acid, pH 6.3; clear wavy boundary. Lab sample # 04N04372

2C--122 to 152 centimeters; gravelly fine sandy loam; 75 percent sand; 7 percent silt; 18 percent clay; weak very fine subangular blocky structure; very friable, hard, nonsticky, nonplastic; common very fine interstitial pores; 20 percent 2- to 75-millimeter unspecified fragments; neutral, pH 7.0. Lab sample # 04N04373