IDENTIFIERS

  • Current Taxon Name (Soil Name): Cometa
  • OSD
  • Series Extent
  • User Site ID: S1991CA101001
  • User Pedon ID: 91CA101001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0760
  • NCSS Pedon Lab Data NASIS Record ID - 63799
  • 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: 38.8288879
  • Std. Longitude: -121.4819412
  • Datum: WGS84
  • Township: 11N
  • Range: 4E
  • Section: 1
  • PLSS Details: 2580 feet S and 42 feet E of NW corner
  • Location Description: Pleasant Grove Quad.
  • State: California
  • County: CA101—Sutter
  • MLRA: 17—Sacramento and San Joaquin Valleys

    • PEDON

  • Describers Name: Dave Smith, Wayne Sheldon, and Bob Engel.
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Cometa
  • Taxonomic Class - Fine, mixed Typic Palexeralfs
  • PSC - 56 to 104 cm.
  • Classificaton Date - 5/1/1991
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Anthropogenic Feature: leveled land
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1991 (actual site observation date)
  • Microrelief Elevation: 1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—38

    56—104

    —-

    —-
    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

    —

    —

    14

    —

    270

    46

    —

    —

    17

    25

    9

    18

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3) exterior, dark brown (10YR 3/3) exterior, moist; loam; 20 percent clay; 1 percent strong brown (7.5YR 5/6) fine prominent mottles; strong coarse platy, and strong medium granular structure; hard, friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots throughout and 5.5 medium roots throughout; 0.5 very fine interstitial and tubular pores; fragments; abrupt smooth boundary. Lab sample # 91P04355; dry when described;. traffic pan; many very fine and fine roots throughout; many medium roots throughout; few fine prominent 7.5YR56 mottles
    Ap2—8 to 23 centimeters (3.1 to 9.1 inches); brown (10YR 5/3) exterior, dark brown (10YR 3/3) exterior, moist; loam; 23 percent clay; 11 percent strong brown (7.5YR 5/8) fine prominent and 11 percent strong brown (7.5YR 4/6) fine prominent mottles; massive; hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout; 0.5 very fine interstitial and tubular pores; fragments; clear wavy boundary. Lab sample # 91P04356; dry when described;. traffic pan; common very fine and fine roots throughout; common fine prominent 7.5YR58 mottles; common fine prominent 7.5YR46 mottles
    Ap3—23 to 38 centimeters (9.1 to 15.0 inches); brown (10YR 4/3) exterior, dark brown (10YR 3/3) exterior, moist; loam; 23 percent clay; 1 percent yellowish brown (10YR 5/6) fine prominent mottles; weak coarse prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots throughout and 2.5 fine roots throughout; 0.5 very fine interstitial and tubular pores; fragments; gradual wavy boundary. Lab sample # 91P04357; dry when described;. common fine roots throughout; many very fine roots throughout; few fine prominent 10YR56 mottles
    ABt—38 to 56 centimeters (15.0 to 22.0 inches); brown (10YR 4/3) exterior, dark brown (10YR 3/3) exterior, moist; clay loam; 28 percent clay; 11 percent strong brown (7.5YR 5/8) fine prominent and 11 percent strong brown (7.5YR 4/6) fine prominent and 11 percent dark gray (10YR 4/1) medium faint mottles; weak coarse prismatic, and moderate coarse subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout; 0.5 very fine interstitial and tubular pores; 15 percent faint clay films on faces of peds and in pores; fragments; clear wavy boundary. Lab sample # 91P04358; dry when described;. few clay films surface features on faces of peds and in pores; common very fine and fine roots throughout; common fine prominent 7.5YR58 mottles; common fine prominent 7.5YR46 mottles; common medium faint 10YR41 mottles; discontinuous - phpvsfiid 234183; discontinuous - phpvsfiid 234183
    Bt1—56 to 71 centimeters (22.0 to 28.0 inches); brown (10YR 4/3) exterior, dark brown (10YR 3/3) exterior, moist; clay; 42 percent clay; moderate coarse prismatic, and moderate medium and coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 2.5 very fine and fine roots between peds; 0.5 very fine interstitial pores; 55 percent distinct , moist, clay films on faces of peds and in pores; fragments; gradual wavy boundary. Lab sample # 91P04359; moist when described;. many clay films surface features on faces of peds and in pores; common very fine and fine roots between peds; continuous - phpvsfiid 234184; continuous - phpvsfiid 234184
    Bt2—71 to 99 centimeters (28.0 to 39.0 inches); brown (10YR 4/3) exterior, dark brown (10YR 3/3) exterior, moist; clay; 42 percent clay; weak coarse prismatic, and moderate medium and coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 2.5 very fine and fine roots between peds; 0.5 very fine interstitial pores; 55 percent distinct , moist, pressure faces on faces of peds and in pores and 55 percent distinct , moist, clay films on faces of peds and in pores; 1 percent fine and medium irregular carbonate masses; fragments; slight effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 91P04360; moist when described;. few tilted (25x15 cm) slickensides; tilted wedge-shaped peds; few fine and medium soft masses of carbonate concentrations; many pressure faces surface features on faces of peds and in pores; many clay films surface features on faces of peds and in pores; common very fine and fine roots between peds; effervescence is discontinuous; discontinuous - phpvsfiid 234185; continuous - phpvsfiid 234186; discontinuous - phpvsfiid 234185; continuous - phpvsfiid 234186
    Bt3—99 to 124 centimeters (39.0 to 48.8 inches); yellowish brown (10YR 5/4) exterior, dark yellowish brown (10YR 3/4) exterior, moist; clay loam; 38 percent clay; weak medium subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots between peds; 0.5 very fine interstitial pores; 15 percent distinct , moist, pressure faces on faces of peds and in pores and 15 percent distinct , moist, skeletans on faces of peds and in pores and 55 percent distinct , moist, clay films on faces of peds and in pores; 1 percent fine and medium irregular carbonate masses; fragments; slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 91P04361; moist when described;. few fine and medium soft masses of carbonate concentrations; few pressure faces surface features on faces of peds and in pores; many clay films surface features on faces of peds and in pores; few skeletans (sand or silt) surface features on faces of peds and in pores; few very fine and fine roots between peds; effervescence is discontinuous; discontinuous - phpvsfiid 234187; continuous - phpvsfiid 234188; continuous - phpvsfiid 234189; discontinuous - phpvsfiid 234187; continuous - phpvsfiid 234188; continuous - phpvsfiid 234189
    Bqm—124 to 155 centimeters (48.8 to 61.0 inches); pale brown (10YR 6/3) exterior, dark yellowish brown (10YR 4/4) exterior, moist; clay loam; 27 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; very hard, very firm, weakly cemented, nonsticky, slightly plastic; yellowish brown (10YR 5/8), moist, iron stains on faces of peds and in pores and 55 percent prominent brown (10YR 4/3), moist, clay films on faces of peds and in pores; 1 percent fine spherical iron-manganese masses; fragments; clear wavy boundary. Lab sample # 91P04362; moist when described;. discontinuously weakly cemented, parts into structure with clay films, peds are weakly cemented; few clean quartz grains; few fine soft masses of iron-manganese concentrations; many clay films surface features on faces of peds and in pores; continuous - phpvsfiid 234190; continuous - phpvsfiid 234190
    Bwb1—155 to 168 centimeters (61.0 to 66.1 inches); light yellowish brown (10YR 6/4) exterior, dark yellowish brown (10YR 3/4) exterior, moist; clay loam; 30 percent clay; massive; friable, slightly sticky, slightly plastic; 1 percent fine spherical iron-manganese masses; fragments. Lab sample # 91P04363; moist when described;. few fine soft masses of iron-manganese concentrations
    Bwb2—168 to 193 centimeters (66.1 to 76.0 inches);, brown (7.5YR 4/4) exterior, moist; sandy clay loam; 27 percent clay; fragments. Lab sample # 91P04364; moist when described;
    Bqb—193 to 218 centimeters (76.0 to 85.8 inches);, dark yellowish brown (10YR 4/4) exterior, moist; sandy loam; fragments. Lab sample # 91P04365
    Bwb'—218 to 254 centimeters (85.8 to 100.0 inches);, brown (7.5YR 4/4) exterior, moist; loam; fragments. Lab sample # 91P04366