IDENTIFIERS

  • Current Taxon Name (Soil Name): Derallo
  • OSD
  • Series Extent
  • User Site ID: 02OR037003
  • User Pedon ID: 02OR037003
  • Vegetation Plot ID: 02OR037003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N0330
  • NCSS Pedon Lab Data NASIS Record ID - 15305
  • Print Date: 12/11/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 43.5313606
  • Std. Longitude: -120.0614771
  • Datum: WGS84
  • Township: 23S
  • Range: 22E
  • Section: 34
  • PLSS Details: SOUTHEAST CORNER
  • Map Unit: 667D—Jacksplace-Derallo-Glencabin complex, 5 to 60 percent slopes378—Jacksplace-Derallo-Glencabin complex, 5 to 60 percent slopes
  • State: Oregon
  • County: OR037—Lake
  • MLRA: 23—Malheur High Plateau
  • Non-MLRA Soil Survey Area: OR635—Lake County, Oregon, Northern Part, Parts of Lake and Klamath Counties

    • PEDON

  • Describers Name: Mark Keller
  • Current Taxonomic Class: Ashy-skeletal, glassy, frigid Vitritorrandic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Derallo
  • PSC - 30 to 80 cm.
  • Classificaton Date - 6/29/2009
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Derallo
  • Classificaton Date - 9/16/2002
  • Dynamic Soil Properties:
  • Pedoderm Class - biological crust
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash and/or colluvium
  • Landform: mountain
  • Geomorphic Component Mountains: mountainflank, center third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent strong weathered rhyolite at 130cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/16/2002 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTRV

    JUOC

    PSSPS

    Artemisia tridentata ssp. vaseyana

    Juniperus occidentalis

    Pseudoroegneria spicata ssp. spicata

    mountain big sagebrush

    western juniper

    bluebunch wheatgrass

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

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    104 -

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    paralithic contact

    0—58

    30—104

    104—

    —58—

    —74—

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    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    29

    —

    —

    1629

    —

    180

    356

    —

    60

    7

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    A1—0 to 3 centimeters (0.0 to 1.2 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; extremely cobbly ashy fine sandy loam; 60 percent sand; 26 percent silt; 14 percent clay; weak medium granular structure; soft, very friable, nonsticky, nonplastic; moderately rapid permeability; 0.5 very fine roots; 9.0 very fine interstitial pores; 1 percent by volume nonflat indurated 610-762-914 millimeter rhyolite fragments and 5 percent by volume nonflat indurated 254-432-610 millimeter rhyolite fragments and 30 percent by volume nonflat indurated 76-165-254 millimeter rhyolite fragments and 30 percent by volume nonflat indurated 2-39-76 millimeter rhyolite fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, bromthymol blue; abrupt smooth boundary. Lab sample # 03N01767; observed in pit, small
    A2—3 to 10 centimeters (1.2 to 3.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; extremely cobbly ashy loam; 40 percent sand; 42 percent silt; 18 percent clay; moderate coarse granular, and moderate medium granular structure; soft, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 9.0 very fine interstitial pores; 5 percent by volume nonflat indurated 254-432-610 millimeter rhyolite fragments and 30 percent by volume nonflat indurated 76-165-254 millimeter rhyolite fragments and 40 percent by volume nonflat indurated 2-39-76 millimeter rhyolite fragments; noneffervescent, by hcl, 1n; neutral, pH 7.3, phenol red; clear smooth boundary. Lab sample # 03N01767; observed in pit, small
    AB—10 to 30 centimeters (3.9 to 11.8 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; extremely gravelly ashy loam; 40 percent sand; 38 percent silt; 22 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 3.0 very fine tubular and 9.0 very fine interstitial pores; 5 percent by volume nonflat indurated 254-432-610 millimeter rhyolite fragments and 20 percent by volume nonflat indurated 76-165-254 millimeter rhyolite fragments and 50 percent by volume nonflat indurated 2-39-76 millimeter rhyolite fragments; noneffervescent, by hcl, 1n; neutral, pH 7.2, phenol red; gradual smooth boundary. Lab sample # 03N01768; observed in pit, small
    Bt1—30 to 48 centimeters (11.8 to 18.9 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; extremely gravelly ashy loam; 35 percent sand; 43 percent silt; 22 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots and 3.0 medium roots and 3.0 fine roots; 3.0 very fine tubular and 3.0 very fine interstitial pores; 15 percent faint clay bridges between sand grains; 20 percent by volume nonflat indurated 76-165-254 millimeter rhyolite fragments and 55 percent by volume nonflat indurated 2-39-76 millimeter rhyolite fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.4, phenol red; clear smooth boundary. Lab sample # 03N01769; observed in pit, small
    Bt2—48 to 58 centimeters (18.9 to 22.8 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; very gravelly ashy loam; 35 percent sand; 43 percent silt; 22 percent clay; strong fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots and 3.0 medium roots and 3.0 fine roots; 9.0 very fine tubular and 0.5 fine tubular pores; 5 percent distinct clay films on surfaces along pores and 15 percent distinct clay films on all faces of peds and 35 percent faint clay bridges between sand grains; 15 percent by volume nonflat indurated 5-40-76 millimeter rhyolite fragments and 15 percent by volume nonflat indurated 76-165-254 millimeter rhyolite fragments and 30 percent by volume nonflat indurated 2-3-5 millimeter rhyolite fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.4, phenol red; clear smooth boundary. Lab sample # 03N01769; observed in pit, small
    Bt3—58 to 91 centimeters (22.8 to 35.8 inches); brown (10YR 5/3), brown (10YR 4/3), moist; very gravelly ashy clay loam; 35 percent sand; 31 percent silt; 34 percent clay; strong fine subangular blocky structure; hard, firm, very sticky, very plastic; moderately slow permeability; 0.5 very fine roots and 0.5 fine roots; 9.0 very fine tubular and 0.5 fine tubular pores; 5 percent distinct clay films on surfaces along pores and 35 percent distinct clay films on all faces of peds; 15 percent by volume nonflat indurated 2-3-5 millimeter rhyolite fragments and 15 percent by volume nonflat indurated 76-165-254 millimeter rhyolite fragments and 25 percent by volume nonflat indurated 5-40-76 millimeter rhyolite fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6, phenol red; gradual smooth boundary. Lab sample # 03N01770; observed in pit, small
    Bt4—91 to 104 centimeters (35.8 to 40.9 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; very gravelly ashy sandy loam; 60 percent sand; 22 percent silt; 18 percent clay; strong fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderately rapid permeability; 0.5 very fine roots and 0.5 fine roots; 3.0 very fine tubular pores; 5 percent faint clay films on surfaces along pores and 15 percent faint clay films on all faces of peds; 10 percent by volume nonflat indurated 76-165-254 millimeter rhyolite fragments and 35 percent by volume nonflat indurated 2-39-76 millimeter rhyolite fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.8, phenol red; clear wavy boundary. Lab sample # 03N01771; observed in pit, small
    Cr—104 to 130 centimeters (40.9 to 51.2 inches); fragments; noneffervescent, by hcl, 1n.; observed in pit, small