IDENTIFIERS

  • Current Taxon Name (Soil Name): Riddleranch
  • OSD
  • Series Extent
  • User Site ID: mpk-02-100
  • User Pedon ID: 02OR025001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N0323
  • NCSS Pedon Lab Data NASIS Record ID - 15298
  • Print Date: 11/23/2024

    • 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: 43.4753838
  • Std. Longitude: -119.3147049
  • Datum: WGS84
  • Map Unit: 279—Riddleranch-Lambring-Rock outcrop complex, 20 to 50 percent slopes
  • State: Oregon
  • Non-MLRA Soil Survey Area: OR628—Harney County Area, Oregon

    • PEDON

  • Describers Name: Mark Keller
  • Current Taxonomic Class: Loamy-skeletal, mixed, frigid Vitritorrandic Argixerolls
  • Current Taxon Kind: family
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Riddleranch
  • Taxonomic Class - Loamy-skeletal, mixed, frigid Vitritorrandic Argixerolls
  • PSC - 13 to 25 cm.
  • Classificaton Date - 12/3/2002
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Class - biological crust
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium
  • Landscape: hills
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Bedrock: indurated tuff, unspecified at 53cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/3/2002 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    indurated

    53 -

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

    mollic epipedon

    argillic horizon

    lithic contact

    0—25

    13—25

    53—

    —25—

    —12—

    —-
    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

    22

    —

    —

    —

    —

    200

    279

    —

    60

    7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); grayish brown (10YR 5/2), dark brown (10YR 3/3), moist; very gravelly loam; 18 percent clay; weak fine granular structure; moderate permeability; 3.0 very fine roots and 3.0 fine roots; 5 percent by volume nonflat indurated 254-432-610 millimeter tuff, unspecified fragments and 10 percent by volume nonflat indurated 76-164-254 millimeter tuff, unspecified fragments and 25 percent by volume nonflat indurated 2-40-76 millimeter tuff, unspecified fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.4, phenol red. Lab sample # 03N01743; observed in pit, small
    Bt—13 to 25 centimeters (5.1 to 9.8 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; very cobbly loam; 24 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; moderate permeability; 3.0 very fine roots and 3.0 fine roots; 15 percent faint clay films on all faces of peds and 35 percent faint clay bridges between sand grains; 5 percent by volume nonflat indurated 254-432-610 millimeter tuff, unspecified fragments and 20 percent by volume nonflat indurated 2-40-76 millimeter tuff, unspecified fragments and 20 percent by volume nonflat indurated 76-164-254 millimeter tuff, unspecified fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6, phenol red. Lab sample # 03N01744; observed in pit, small. patchy - phpvsfiid 246845; patchy - phpvsfiid 246846; patchy - phpvsfiid 246845; patchy - phpvsfiid 246846
    BC—25 to 53 centimeters (9.8 to 20.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; extremely cobbly loam; 20 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; moderate permeability; 3.0 very fine roots and 3.0 fine roots; 5 percent by volume nonflat indurated 254-432-610 millimeter tuff, unspecified fragments and 30 percent by volume nonflat indurated 2-40-76 millimeter tuff, unspecified fragments and 30 percent by volume nonflat indurated 76-164-254 millimeter tuff, unspecified fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6, phenol red. Lab sample # 03N01745; observed in pit, small
    R—53 centimeters (20.9 inches); fragments; slight effervescence, by hcl, 1n.; observed in pit, small