PEDON DESCRIPTION

Print Date: 02/08/2009Country: United States
Description Date: 08/07/2003State: Oregon
Describer: Dorr, JimCounty: Klamath
Site ID: 03-JFD-05MLRA: 6 -- Cascade Mountains, Eastern Slope
Site Note: Chemult Alternate SNOTEL SiteSoil Survey Area: OR683 -- Winema National Forest Area, Oregon
Pedon ID: 03OR035017Map Unit: 1014 -- PICO/PUTR2/ACOC3 pumice, pyric Steiger -- PIPO/PUTR2/ACOC3 pumice Lapine complex, 0 to 8 percent slopes
Pedon Note: Sampled for analysis at NSSC. Sample Numbers: S03OR-035-006-001, 2 to 5 cm, A horizon S03OR-035-006-002, 5 to 28 cm, AB horizon S03OR-035-006-003, 28 to 45 cm, Bw1 horizon S03OR-035-006-004, 45 to 100 cm, Bw2 horizon S03OR-035-006-005, 100 to 200 cm, C horizon; field assigned pedon number: D03-055PQuad Name: Chemult, Oregon
Lab Source ID: SSLLocation Description: about 2 miles east of Chemult
Lab Pedon #: 04N0391Legal Description: about 50 feet north and 350 feet west of the southeast corner of Section 18, Township 27S, Range 8E
Soil Name as Described/Sampled: SteigerLatitude: 43 degrees 13 minutes 35.00 seconds north
Soil Name as Correlated: Longitude: 121 degrees 48 minutes 18.00 seconds west
Classification: Ashy, glassy Xeric VitricryandsDatum: NAD27
Pedon Type: taxadjunct to the seriesUTM Zone: 10
Pedon Purpose: full pedon descriptionUTM Easting: 597050 meters
Taxon Kind: seriesUTM Northing: 4786420 meters
Associated Soils:
Physiographic Division: Primary Earth Cover: Tree cover
Physiographic Province: Secondary Earth Cover:
Physiographic Section: Existing Vegetation:
State Physiographic Area: Parent Material: ash flow derived from pumice
Local Physiographic Area: Bedrock Kind:
Geomorphic Setting: None AssignedBedrock Depth:
Upslope Shape: undulatingBedrock Hardness:
Cross Slope Shape: undulatingBedrock Fracture Interval:
Particle Size Control Section: 2 to 102 cm.Surface Fragments:
Description origin: NASISDescription database: NSSL
Diagnostic Features: ochric epipedon 0 to 28 cm.
andic soil properties 2 to 45 cm.



Cont. Site ID: 03-JFD-05Pedon ID: 03OR035017

Slope (%)Elevation (meters)Aspect (deg)MAAT (C)MSAT (C)MWAT (C)MAP (mm)Frost-Free DaysDrainage ClassSlope Length (meters)Upslope Length (meters)
2.01,478.01205.6

61014somewhat excessively


Oi--0 to 1 centimeters; slightly decomposed plant material; low excavation difficulty; forest litter of slightly decomposed needles, twigs and cones; abrupt smooth boundary.

Oe--1 to 2 centimeters; moderately decomposed plant material; moderate thick platy structure; very friable, slightly hard, nonsticky, nonplastic; low excavation difficulty; forest litter of moderately decomposed needles, twigs and cones; abrupt smooth boundary.

A--2 to 5 centimeters; very dark brown (7.5YR 2.5/2) broken face ashy sandy loam, dark grayish brown (10YR 4/2) broken face, dry; weak fine granular structure; very friable, soft, nonsticky, nonplastic; low excavation difficulty; common fine roots throughout and many very fine roots throughout; many very fine low-continuity interstitial pores; 10 percent nonflat subrounded moderately cemented 2- to 10-millimeter pumice fragments; moderately acid, pH 6.0, Chlorophenol red; many distinct brown (7.5YR 4/4) stains on exterior of 0.5 millimeter and larger pumice fragments, faint dry; broken face of pumice varies from dark brown (7.5YR 3/3) to dark grayish brown (10YR 4/2) moist, brown (7.5YR 4/2) to yellowish brown (10YR 5/4) dry; abrupt wavy boundary. Lab sample # 04N02285

AB--5 to 28 centimeters; brown (7.5YR 4/3) broken face paragravelly ashy sandy loam, yellowish brown (10YR 5/4) broken face, dry; weak coarse subangular blocky structure; very friable, soft, nonsticky, nonplastic; low excavation difficulty; few fine roots throughout and many medium roots throughout and few coarse roots throughout and common very fine roots throughout; many very fine low-continuity interstitial pores; 20 percent nonflat subrounded moderately cemented 2- to 30-millimeter pumice fragments; slightly acid, pH 6.2, Bromthymol blue; many distinct strong brown (7.5YR 4/6) stains on exterior of 0.5 millimeter and larger pumice fragments, faint dry; broken face of pumice is yellow (10YR 7/6) moist, very pale brown (10YR 8/4) dry; clear wavy boundary. Lab sample # 04N02286

Bw1--28 to 45 centimeters; dark yellowish brown (10YR 4/4) broken face paragravelly ashy loamy sand, light brown (7.5YR 6/4) broken face, dry; weak medium subangular blocky structure; very friable, soft, nonsticky, nonplastic; low excavation difficulty; very few fine roots throughout and common medium roots throughout and few coarse roots throughout and very few very fine roots throughout; many very fine low-continuity interstitial pores; 1 percent nonflat subrounded indurated 2- to 5- millimeter andesite fragments and 25 percent nonflat subrounded moderately cemented 2- to 30- millimeter pumice fragments; slightly acid, pH 6.4, Bromthymol blue; many distinct strong brown (7.5YR 5/6) stains on exterior of 0.5 millimeter and larger pumice fragments, faint dry; broken face of pumice is reddish yellow (7.5YR 7/6) moist, very pale brown (10YR 8/4) dry; clear wavy boundary. Lab sample # 04N02287

Bw2--45 to 100 centimeters; light yellowish brown (10YR 6/4) broken face paragravelly ashy loamy sand, pink (7.5YR 7/4) broken face, dry; massive; very friable, slightly hard, nonsticky, nonplastic; moderate excavation difficulty; very few fine roots throughout and very few very fine roots throughout; common very fine low-continuity interstitial pores; 5 percent nonflat subangular indurated 2- to 10-millimeter andesite fragments and 10 percent nonflat subrounded moderately cemented 2- to 10-millimeter pumice fragments; moderately acid, pH 6.0, Chlorophenol red; many distinct reddish yellow (7.5YR 6/6) stains on exterior of 0.5 millimeter and larger pumice fragments, faint dry; broken face of pumice is yellow (10YR 7/6) moist, pink (7.5YR 8/3) dry; four lamellae-like features consisting of a 1 to 3 millimeter thick very pale brown (10YR 7/3) moist, white (10YR 8/1) dry, layer between two 1 to 3 millimeter thick reddish yellow (7.5YR 7/6) moist, yellow (10YR 8/6) dry, layers; clear wavy boundary. Lab sample # 04N02288

C--100 to 200 centimeters; light brown (7.5YR 6/4) broken face paragravelly ashy loamy sand, pink (5YR 7/3) broken face, dry; massive; very friable, slightly hard, nonsticky, nonplastic; moderate excavation difficulty; very few fine roots throughout and very few very fine roots throughout; few very fine low-continuity tubular pores; 20 percent nonflat subrounded moderately cemented 2- to 4- millimeter pumice fragments; moderately acid, pH 6.0, Chlorophenol red; broken face of pumice is light brown (7.5YR 6/4) moist, pink (5YR 7/3) dry. Lab sample # 04N02289