IDENTIFIERS

  • Current Taxon Name (Soil Name): Carsitas
  • OSD
  • Series Extent
  • User Site ID: S2012CA073081
  • User Pedon ID: S2012CA073081
  • Vegetation Plot ID: S2012CA073081
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/6/2025

    • 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: 33.2769722
  • Std. Longitude: -116.1119722
  • Datum: WGS84
  • Country: US—United States
  • State: California
  • County: CA073—San Diego
  • MLRA: 31—Lower Colorado Desert
  • Non-MLRA Soil Survey Area: CA804—Anza-Borrego Area, California
  • 7.5 Minute USGS Quad: 33116-C1—Seventeen Palms, California

    • PEDON

  • Describers Name: Paul R Rindfleisch (orig); description revised during lab sampling by Paul Rindfleisch, Randy Riddle, and Steve Monteith on 3/28/2012
  • Current Taxonomic Class: Mixed, hyperthermic Typic Torripsamments
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Carsitas
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/23/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Carsitas
  • Classificaton Date - 6/15/2011
  • Dynamic Soil Properties:
  • Pedoderm Class - desert pavement
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Pleistocene sandy alluvium derived from igneous, metamorphic and sedimentary rock and/or eolian deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: fan piedmont
  • Landform: fan remnant
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat excessively
  • Flooding: rare flooding for very brief periods
  • Geology: Pleistocene Alluvium formation.
  • Surface Fragments: 10.00 percent nonflat 2- to 5-millimeter mixed, 10.00 percent nonflat 2- to 5-millimeter mixed, 50.00 percent nonflat 5- to 75-millimeter mixed, 50.00 percent nonflat 5- to 75-millimeter mixed, 10.00 percent nonflat 75- to 250-millimeter mixed, 10.00 percent nonflat 75- to 250-millimeter mixed,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/15/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - native shrubs
  • 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

    AMDU2

    LATR2

    Ambrosia dumosa

    Larrea tridentata

    burrobush

    creosote bush

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

    ochric epipedon

    secondary carbonates

    0—9

    9—200

    —-

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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

    4

    —

    —

    197

    —

    156

    75

    —

    360

    25

    —

    —

    26.5

    —

    —

    —

    —

    —

    —

    —
    A—0 to 9 centimeters (0.0 to 3.5 inches); pink (7.5YR 7/3), strong brown (7.5YR 4/6), moist; fine sandy loam; 65 percent sand; 25 percent silt; 10 percent clay; strong very thick platy structure; slightly hard, friable, slightly sticky, nonplastic; low excavation difficulty; 1.0 very fine roots throughout; 0.5 very fine vesicular and 3.0 very fine interstitial and 0.1 fine vesicular pores; 2 percent by volume 2-3-5 millimeter mixed fragments and 3 percent by volume nonflat 5-37-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, phenol red; clear wavy boundary.; observed in pit, small
    Bk1—9 to 58 centimeters (3.5 to 22.8 inches); pale brown (10YR 6/3), dark yellowish brown (10YR 4/4), moist; gravelly sand; 90 percent sand; 9 percent silt; 1 percent clay; structureless single grain; soft, very friable, nonsticky, nonplastic; low excavation difficulty; 2.0 very fine roots throughout; 3.0 very fine interstitial pores; 2 percent distinct white (10YR 8/1), dry, carbonate coats on bottom of rock fragments; carbonate, finely disseminated in matrix; 8 percent by volume nonflat 2-3-5 millimeter mixed fragments and 12 percent by volume nonflat 5-37-75 millimeter mixed fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, phenol red; clear smooth boundary.; observed in pit, small
    Bk2—58 to 78 centimeters (22.8 to 30.7 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; gravelly coarse sand; 92 percent sand; 7 percent silt; 1 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; low excavation difficulty; 1.0 very fine roots throughout; 5.0 very fine interstitial pores; 1 percent distinct very pale brown (10YR 8/2), dry, carbonate coats on bottom of rock fragments; 3 percent by volume nonflat 75-137-250 millimeter mixed fragments and 7 percent by volume nonflat 5-37-75 millimeter mixed fragments and 18 percent by volume nonflat 2-3-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, phenol red; clear wavy boundary.; observed in pit, small
    Bk3—78 to 89 centimeters (30.7 to 35.0 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; loamy sand; 87 percent sand; 11 percent silt; 1 percent clay; structureless massive; slightly hard, very friable, nonsticky, nonplastic; low excavation difficulty; 0.1 very fine roots throughout; 3.0 very fine interstitial pores; 3 percent prominent white (10YR 8/1), dry, carbonate coats on bottom of rock fragments; 1 percent by volume nonflat subangular indurated 5-37-75 millimeter mixed fragments and 2 percent by volume nonflat subangular indurated 75-137-250 millimeter mixed fragments and 4 percent by volume nonflat subangular indurated 2-3-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, phenol red; clear wavy boundary.; observed in pit, small
    Bk4—89 to 133 centimeters (35.0 to 52.4 inches); light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/3), moist; sand; 97 percent sand; 3 percent silt; 1 percent clay; structureless massive; loose, loose, nonsticky, nonplastic; low excavation difficulty; 1.0 very fine roots throughout; 5.0 very fine interstitial pores; 4 percent prominent very pale brown (10YR 8.5/2), dry, carbonate coats on bottom of rock fragments; 2 percent by volume nonflat 2-3-5 millimeter mixed fragments and 5 percent by volume nonflat 5-37-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, phenol red; clear wavy boundary.; observed in pit, small
    Bk5—133 to 200 centimeters (52.4 to 78.7 inches); light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/3), moist; very gravelly sand; 95 percent sand; 4 percent silt; 1 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; 1.0 very fine roots throughout; 5.0 very fine interstitial pores; 13 percent prominent carbonate coats on bottom of rock fragments; 5 percent by volume nonflat 75-137-250 millimeter mixed fragments and 15 percent by volume nonflat 2-3-5 millimeter mixed fragments and 30 percent by volume nonflat 5-37-75 millimeter mixed fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, phenol red.; observed in pit, small