IDENTIFIERS

  • Current Taxon Name (Soil Name): Alkaliflat
  • OSD
  • Series Extent
  • User Site ID: mpk08314
  • User Pedon ID: S08OR045715
  • Vegetation Plot ID: mpk08314
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0247
  • NCSS Pedon Lab Data NASIS Record ID - 23959
  • Print Date: 4/27/2025

    • 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: 44.1464996
  • Std. Longitude: -117.3000031
  • Datum: WGS84
  • State: Oregon
  • County: OR045—Malheur
  • MLRA: 11—Snake River Plains
  • Non-MLRA Soil Survey Area: OR645—Malheur County, Oregon, Northern Part
  • 7.5 Minute USGS Quad: 44117-B3—McCarthy Ridge, Oregon

    • PEDON

  • Describers Name: Mark Keller
  • Current Taxonomic Class: Fine, mixed, mesic Xeric Argigypsids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 715
  • Sampled As Information:
  • Soil Name - Alkaliflat
  • Taxonomic Class - Fine, mixed, mesic Xeric Argigypsids
  • PSC - 19 to 152 cm.
  • Classificaton Date - 11/7/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from sedimentary rock
  • Landform: stream terrace
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/7/2008 (actual site observation date)
  • Surface Cover Properties:
  • 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

    POBU

    Poa bulbosa

    bulbous bluegrass

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

    ochric epipedon

    argillic horizon

    gypsic horizon

    gypsum accumulations

    0—19

    19—152

    47—152

    47—152

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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

    1

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    741

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    A—0 to 8 centimeters (0.0 to 3.1 inches); very fine sandy loam; 10 percent clay; weak fine granular structure; soft, slightly sticky, nonplastic; 6.0 very fine roots; 3 percent by volume indurated 2-3-5 millimeter volcanic, unspecified fragments; noneffervescent, by hcl, unspecified; neutral, pH 7.0, phenol red; abrupt smooth boundary.; moist when described; observed in pit, small
    BE—8 to 19 centimeters (3.1 to 7.5 inches); clay loam; 32 percent clay; weak thin platy, and weak medium platy structure; moderately hard, moderately sticky, moderately plastic; 4.0 very fine roots; 4.0 very fine tubular pores; 1 percent masses of oxidized iron and 1 percent manganese masses; 3 percent by volume indurated 2-3-5 millimeter volcanic, unspecified fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.4, phenol red; clear smooth boundary.; moist when described; observed in pit, small
    Bt—19 to 47 centimeters (7.5 to 18.5 inches); clay loam; 38 percent clay; strong fine prismatic parts to strong fine angular blocky, and strong fine prismatic parts to strong medium angular blocky structure; slightly hard, very sticky, very plastic; 2.0 very fine roots; 4.0 very fine tubular pores; 5 percent skeletans and 5 percent distinct clay films and 80 percent faint clay bridges; 3 percent by volume indurated 2-3-5 millimeter volcanic, unspecified fragments; noneffervescent, by hcl, unspecified; moderately alkaline, pH 8.0, phenol red; clear smooth boundary. Lab sample # 09N01574; dry when described; observed in pit, small
    Bty1—47 to 105 centimeters (18.5 to 41.3 inches); clay loam; 36 percent clay; weak coarse subangular blocky structure; 2.0 very fine roots; 2.0 very fine tubular and 2.0 fine interstitial pores; 40 percent faint organoargillans; 3 percent gypsum crystals, unspecified; fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.6, phenol red; gradual smooth boundary. Lab sample # 09N01575; dry when described; observed in pit, small
    Bty2—105 to 152 centimeters (41.3 to 59.8 inches); clay loam; 36 percent clay; weak coarse subangular blocky structure; 20 percent faint organoargillans; 3 percent gypsum crystals, unspecified; fragments; noneffervescent, by hcl, unspecified; moderately alkaline, pH 8.0, phenol red.; dry when described; observed in auger, bucket