PEDON DESCRIPTION

Print Date: 02/08/2009Country: United States
Description Date: 06/11/2003State: Oregon
Describer: Dorr, JimCounty: Lake
Site ID: 03-JFD-02MLRA: 21 -- Klamath and Shasta Valleys and Basins
Site Note: Quartz SNOTEL SiteSoil Survey Area: OR680 -- Fremont National Forest, Oregon
Pedon ID: 03OR037002Map Unit:
Pedon Note: field assigned pedon number: D03-015P; Sampled for analysis at NSSC. Sample Numbers: S03OR-037-002-001, 2 to 8 cm, A horizon, whole soil; S03OR-037-002-002, 8 to 13 cm, AB1 horizon, upper portion, whole soil; S03OR-037-002-003, 18-23 cm, AB1 horizon, mid portion, whole soil; S03OR-037-002-004, 48 to 53 cm, AB2 horizon, mid portion, whole soil; S03OR-037-002-005, 99 to 104 cm, Bw horizon, lower portion, whole soilQuad Name: Quartz Valley, Oregon
Lab Source ID: SSLLocation Description: about 9 miles north and 24 miles west of Lakeview, about 1/2 mile south of Quartz Summit on US Highway 140
Lab Pedon #: 04N0393Legal Description: southeast quarter of the northeast quarter of Section 33, Township 37 S., Range 16 E.
Soil Name as Described/Sampled: Typic VitrixerandsLatitude: 42 degrees 19 minutes 26.00 seconds north
Soil Name as Correlated: Longitude: 120 degrees 49 minutes 27.00 seconds west
Classification: Ashy, glassy, frigid Typic VitrixerandsDatum: NAD27
Pedon Type: UTM Zone: 10
Pedon Purpose: full pedon descriptionUTM Easting: 679294 meters
Taxon Kind: familyUTM Northing: 4687809 meters
Associated Soils:
Physiographic Division: Primary Earth Cover: Tree cover
Physiographic Province: Secondary Earth Cover:
Physiographic Section: Existing Vegetation:
State Physiographic Area: Parent Material: tephra
Local Physiographic Area: Bedrock Kind:
Geomorphic Setting: None AssignedBedrock Depth:
Upslope Shape: linearBedrock Hardness:
Cross Slope Shape: concaveBedrock Fracture Interval:
Particle Size Control Section: 1 to 101 cm.Surface Fragments:
Description origin: NASISDescription database: NSSL
Diagnostic Features: umbric epipedon 1 to 33 cm.
andic soil properties 1 to 61 cm.
duripan 110 cm.

Top Depth (cm)Bottom Depth (cm)Restriction Kind Restriction Hardness
110
duripanweakly cemented



Cont. Site ID: 03-JFD-02Pedon ID: 03OR037002

Slope (%)Elevation (meters)Aspect (deg)MAAT (C)MSAT (C)MWAT (C)MAP (mm)Frost-Free DaysDrainage ClassSlope Length (meters)Upslope Length (meters)
8.01,692.0190


762
somewhat excessively


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

A--1 to 11 centimeters; dark grayish brown (10YR 4/2) broken face paragravelly ashy loam, (10YR 2.5/2) broken face, moist; weak medium subangular blocky parting to weak very fine granular structure; very friable, soft, noncemented, nonsticky, slightly plastic; low excavation difficulty; many very fine roots throughout; many very fine low-continuity interstitial pores; 1 percent nonflat subrounded indurated 5- to 75-millimeter andesite fragments and 2 percent nonflat subrounded moderately cemented 2- to 20-millimeter cinders and 6 percent nonflat subangular indurated 2- to 5- millimeter andesite fragments and 15 percent nonflat subrounded moderately cemented 2- to 30- millimeter pumice fragments; moderately acid, pH 6.0, Chlorophenol red; abrupt smooth boundary. Lab sample # 04N02294

AB1--11 to 33 centimeters; brown (10YR 5/3) broken face paragravelly ashy sandy loam, dark brown (7.5YR 3/3) broken face, moist; moderate coarse subangular blocky parting to moderate fine granular structure; very friable, soft, noncemented, nonsticky, slightly plastic; low excavation difficulty; few fine roots throughout and few coarse roots throughout and common very fine roots throughout; many very fine low-continuity interstitial pores; 1 percent nonflat subrounded indurated 5- to 75- millimeter andesite fragments and 2 percent nonflat subrounded indurated 75- to 200-millimeter andesite fragments and 3 percent nonflat subrounded strongly cemented 2- to 20-millimeter cinders and 6 percent nonflat subangular indurated 2- to 5-millimeter andesite fragments and 15 percent nonflat subrounded moderately cemented 2- to 30-millimeter pumice fragments; moderately acid, pH 6.0, Chlorophenol red; gradual smooth boundary. Lab sample # 04N02295

AB2--33 to 61 centimeters; yellowish brown (10YR 5/4) broken face cobbly ashy sandy loam, brown (7.5YR 4/3) broken face, moist; weak coarse subangular blocky parting to weak fine granular structure; very friable, soft, noncemented, nonsticky, slightly plastic; low excavation difficulty; common medium roots throughout and few coarse roots throughout and common very fine roots throughout; many very fine low-continuity interstitial pores; 1 percent nonflat subrounded indurated 5- to 75-millimeter andesite fragments and 3 percent nonflat subrounded strongly cemented 2- to 20- millimeter cinders and 6 percent nonflat subangular indurated 2- to 5-millimeter andesite fragments and 8 percent nonflat subrounded indurated 75- to 200-millimeter andesite fragments and 20 percent nonflat subrounded moderately cemented 2- to 30-millimeter pumice fragments; moderately acid, pH 6.0, Chlorophenol red; clear wavy boundary. Lab sample # 04N02296

Bw--61 to 110 centimeters; light yellowish brown (10YR 6/4) broken face gravelly ashy coarse sand, yellowish brown (10YR 5/4) broken face, moist; weak coarse subangular blocky structure; very friable, slightly hard, noncemented, nonsticky, nonplastic; low excavation difficulty; common medium roots throughout and few very fine roots throughout; common fine low-continuity interstitial and many very fine low-continuity interstitial pores; 2 percent nonflat subrounded indurated 75- to 200- millimeter andesite fragments and 2 percent nonflat subrounded indurated 5- to 75-millimeter andesite fragments and 5 percent nonflat subrounded strongly cemented 2- to 20-millimeter cinders and 13 percent nonflat subangular indurated 2- to 5-millimeter andesite fragments and 30 percent nonflat subrounded moderately cemented 2- to 30-millimeter pumice fragments; slightly acid, pH 6.2, Chlorophenol red; gradual smooth boundary. Lab sample # 04N02297

Bqm--110 to 160 centimeters; very pale brown (10YR 7/4) broken face cemented gravelly ashy coarse sand, yellowish brown (10YR 5/4) broken face, moist; massive; very firm, very hard, weakly cemented* by silica, nonsticky, nonplastic; moderate excavation difficulty; very few very fine roots throughout; common fine low-continuity interstitial and many very fine low-continuity interstitial pores; 5 percent patchy distinct strong brown (7.5YR 5/6), moist, and reddish yellow (7.5YR 6/6), dry, clay films on rock fragments; 40 percent fine distinct irregular strongly cemented yellow (10YR 7/6), moist, and very pale brown (10YR 8/4), dry, silica masses with clear boundaries around rock fragments; 2 percent nonflat subrounded indurated 75- to 250-millimeter andesite fragments and 2 percent nonflat subrounded indurated 5- to 75-millimeter andesite fragments and 5 percent nonflat subrounded strongly cemented 2- to 20-millimeter cinders and 13 percent nonflat subangular indurated 2- to 5-millimeter andesite fragments and 30 percent nonflat subrounded moderately cemented 2- to 30-millimeter pumice fragments; slightly acid, pH 6.2, Chlorophenol red. Lab sample # 04N02298