IDENTIFIERS

  • Current Taxon Name (Soil Name): Argonaut
  • OSD
  • Series Extent
  • User Site ID: S1984CA115004
  • User Pedon ID: 84CA115004
  • Vegetation Plot ID: S1984CA115004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0880
  • NCSS Pedon Lab Data NASIS Record ID - 55668
  • Print Date: 2/16/2025

    • 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: 39.1313896
  • Std. Longitude: -121.2811127
  • Datum: WGS84
  • Township: 15N
  • Range: 6E
  • Section: 23
  • PLSS Details: 183 meters E and 152 meters N of the SW corner
  • Location Description: Smartsville Quadrangle.
  • State: California
  • County: CA115—Yuba
  • MLRA: 18—Sierra Nevada Foothills

    • PEDON

  • Describers Name: D. Lytle and P. Vonich
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Mollic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Argonaut
  • PSC - 36 to 81 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Argonaut
  • Taxonomic Class - Fine, mixed, thermic Mollic Haploxeralf
  • Taxon Kind - series
  • Classificaton Date - 9/1/1984
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: hillside or mountainside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: frequent flooding
  • Bedrock: with <10
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AVFA

    BRMO2

    QUDO

    Avena fatua

    Bromus mollis

    Quercus douglasii

    wild oat

    —

    blue oak

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    paralithic contact

    0—36

    36—81

    89—110

    —-

    —-

    —-
    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

    4

    —

    —

    171

    —

    225

    61

    —

    —

    14

    —

    —

    17

    —

    —

    —

    —

    —

    —

    —
    1A1—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 5/4) exterior, dark brown (7.5YR 3/4) exterior, moist; loam; strong fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 5.5 very fine roots throughout and 5.5 fine roots throughout; 5.5 very fine interstitial pores; 10 percent by volume 2-39-75 millimeter igneous, unspecified fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 84P04932. many very fine roots throughout; many fine roots throughout
    1A2—5 to 18 centimeters (2.0 to 7.1 inches); strong brown (7.5YR 5/6) exterior, dark brown (7.5YR 3/4) exterior, moist; loam; strong fine subangular blocky structure; hard, very friable, nonsticky, nonplastic; 2.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular and 5.5 very fine tubular pores; 10 percent by volume 2-39-75 millimeter igneous, unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 84P04933. common very fine roots throughout; few fine roots throughout
    1Bt1—18 to 36 centimeters (7.1 to 14.2 inches); yellowish red (5YR 5/6) exterior, yellowish red (5YR 4/6) exterior, moist; loam; moderate medium subangular blocky structure; hard, very friable, slightly sticky, nonplastic; 2.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular and 5.5 very fine tubular pores; 37 percent clay films on faces of peds and 37 percent clay films in root channels and/or pores; 10 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 84P04934. common clay films surface features on faces of peds; common clay films surface features in root channels and/or pores; common very fine roots throughout; few fine roots throughout; patchy - phpvsfiid 217764; patchy - phpvsfiid 217765; patchy - phpvsfiid 217764; patchy - phpvsfiid 217765
    1Bt2—36 to 53 centimeters (14.2 to 20.9 inches); yellowish red (5YR 5/6) exterior, yellowish red (5YR 4/6) exterior, moist; clay loam; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular and 5.5 very fine tubular pores; 37 percent distinct clay films on faces of peds and 55 percent clay films in root channels and/or pores; 10 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 84P04935. many clay films surface features in root channels and/or pores; common clay films surface features on faces of peds; common very fine roots throughout; few fine roots throughout; discontinuous - phpvsfiid 217767; patchy - phpvsfiid 217766; discontinuous - phpvsfiid 217767; patchy - phpvsfiid 217766
    2Bt—53 to 81 centimeters (20.9 to 31.9 inches); strong brown (7.5YR 5/6) exterior, strong brown (7.5YR 4/6) exterior, moist; clay; 30 percent dark grayish brown (10YR 4/2) fine distinct mottles; massive; very hard, firm, very sticky, very plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 very fine tubular pores; pressure faces on faces of peds; 5 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 84P04936. Top of horizon has a thin discontinuous bleached layer (10YR 7/2) 1/2 to 1 cm thick.; few very fine roots throughout; few fine roots throughout; many fine distinct 10YR42 mottles; continuous - phpvsfiid 217768; continuous - phpvsfiid 217768
    2BC—81 to 89 centimeters (31.9 to 35.0 inches); brown (7.5YR 5/4) exterior, strong brown (7.5YR 5/6) exterior, moist; loam; massive; hard, firm, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular pores; 15 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 84P04937. few very fine roots throughout; few fine roots throughout
    2Cr—89 to 110 centimeters (35.0 to 43.3 inches); yellowish brown (10YR 5/4) exterior weathered bedrock; massive; hard, firm; fragments. Lab sample # 84P04938. Soft in the upper part becoming increasingly hard with depth.