IDENTIFIERS

  • Current Taxon Name (Soil Name): Mariposa
  • OSD
  • Series Extent
  • User Site ID: S1984CA115008
  • User Pedon ID: 84CA115008
  • Vegetation Plot ID: S1984CA115008
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0884
  • NCSS Pedon Lab Data NASIS Record ID - 55672
  • Print Date: 11/11/2024
  • 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: 39.4972229
  • Std. Longitude: -121.2138901
  • Datum: WGS84
  • Township: 19N
  • Range: 7E
  • Section: 20
  • PLSS Details: 640 meters E and 183 meters S of NW corner
  • State: California
  • County: CA115—Yuba
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • PEDON

  • Describers Name: D. Lytle
  • Current Taxonomic Class: Fine-loamy, mixed, semiactive, mesic Typic Haploxerults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Mariposa
  • PSC - 10 to 56 cm.
  • Classificaton Date - 11/29/2018
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Mariposa
  • Taxonomic Class - Fine-loamy, mixed, mesic Ruptic-Lithic-Xerochrepti
  • 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

  • Landscape: mountains or deeply dissected plateaus
  • Landform: hillside or mountainside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: low
  • Flooding: frequent flooding
  • Bedrock: with <10
  • Surface Fragments: 9.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    LITHO

    PIPO

    PSME

    Lithocarpus

    Pinus ponderosa

    Pseudotsuga menziesii

    tanoak

    ponderosa pine

    Douglas-fir

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—10

    10—56

    56—0

    —-

    —-

    —-

    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

    31

    998

    225

    170

    12

    14

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary. Lab sample # 84P04960. Partially decomposed leaves, needles, twigs, and bark.
    A—3 to 13 centimeters (1.2 to 5.1 inches); brown (7.5YR 5/4) exterior, dark reddish brown (5YR 3/4) exterior, moist; gravelly loam; 28 percent sand; 46 percent silt; 26 percent clay; strong medium granular structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine and fine roots throughout and 5.5 medium roots throughout; 5.5 very fine interstitial pores; 5 percent by volume 75-162-250 millimeter metamorphic, unspecified fragments and 12 percent by volume , 32 percent by weight 2-39-75 millimeter metamorphic, unspecified fragments observed by weight and displacement method; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 84P04961. many very fine and fine roots throughout; many medium roots throughout
    Bt1—13 to 28 centimeters (5.1 to 11.0 inches); reddish brown (5YR 4/4) exterior, dark reddish brown (5YR 3/4) exterior, moist; gravelly clay loam; 23 percent sand; 46 percent silt; 31 percent clay; moderate medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine and fine roots throughout and 5.5 very fine and fine roots throughout; 5.5 very fine and fine tubular and 2.5 very fine interstitial pores; 15 percent distinct clay films in root channels and/or pores; 5 percent by volume 75-162-250 millimeter metamorphic, unspecified fragments and 17 percent by volume , 44 percent by weight 2-39-75 millimeter metamorphic, unspecified fragments observed by weighed method; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 84P04962. few clay films surface features in root channels and/or pores; many very fine and fine roots throughout; many very fine and fine roots throughout; discontinuous - phpvsfiid 1680403; discontinuous - phpvsfiid 1680403
    Bt2—28 to 46 centimeters (11.0 to 18.1 inches); yellowish red (5YR 4/6) exterior, dark red (2.5YR 3/6) exterior, moist; gravelly clay loam; 24 percent sand; 44 percent silt; 33 percent clay; moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots throughout and 5.5 medium and coarse roots throughout; 2.5 very fine and fine tubular pores; 37 percent distinct clay films in root channels and/or pores; 5 percent by volume 75-162-250 millimeter metamorphic, unspecified fragments and 13 percent by volume , 34 percent by weight 2-39-75 millimeter metamorphic, unspecified fragments observed by weight and displacement method; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 84P04963. common clay films surface features in root channels and/or pores; many very fine and fine roots throughout; many medium and coarse roots throughout; discontinuous - phpvsfiid 1680404; discontinuous - phpvsfiid 1680404
    Bt3—46 to 59 centimeters (18.1 to 23.2 inches); yellowish red (5YR 5/6) exterior, dark red (2.5YR 3/6) exterior, moist; gravelly clay loam; 21 percent sand; 44 percent silt; 35 percent clay; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout and 2.5 medium and coarse roots throughout; 2.5 fine tubular pores; 37 percent distinct clay films in root channels and/or pores and 37 percent distinct clay films on faces of peds; 5 percent by volume 75-162-250 millimeter metamorphic, unspecified fragments and 14 percent by volume , 38 percent by weight 2-39-75 millimeter metamorphic, unspecified fragments observed by weighed method; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 84P04964. common clay films surface features in root channels and/or pores; common clay films surface features on faces of peds; common very fine and fine roots throughout; common medium and coarse roots throughout; discontinuous - phpvsfiid 1680405; discontinuous - phpvsfiid 1680406; discontinuous - phpvsfiid 1680405; discontinuous - phpvsfiid 1680406
    R—59 to 67 centimeters (23.2 to 26.4 inches); bedrock; fragments. Depth to R horizon ranges from 15 to 30 inches in pit. Not sampled.