IDENTIFIERS

  • Current Taxon Name (Soil Name): Leoncita
  • OSD
  • Series Extent
  • User Site ID: S11TX3111013
  • User Pedon ID: S11TX3111013
  • Vegetation Plot ID: S11TX3111013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 11N7196
  • NCSS Pedon Lab Data NASIS Record ID - 50882
  • Print Date: 11/21/2024

    • 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: 28.1952991
  • Std. Longitude: -98.6647186
  • Datum: WGS84
  • State: Texas
  • County: TX311—McMullen
  • MLRA: 83B—Western Rio Grande Plain
  • 7.5 Minute USGS Quad: 28098-B6—Loma Alta NW, Texas

    • PEDON

  • Describers Name: Clark Harshbarger, Gary Harris, Jim Akin, Joe Neal, David Hinojosa
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, hyperthermic Aridic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Leoncita
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/11/2011
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Leoncita
  • Classificaton Date - 2/17/2011
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-loamy alluvium
  • Landscape: coastal plain
  • Landform: paleoterrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Geology: Quaternary Terrace formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/17/2011 (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
  • Current Weather - partly cloudy
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARIST

    CHCU2

    CORA

    DITE3

    EUSID

    LYCIU

    OPLE

    OPUNT

    PAHA

    PECIC

    Aristida

    Chloris cucullata

    Coleogyne ramosissima

    Diospyros texana

    Eusideroxylon

    Lycium

    Opuntia leptocaulis

    Opuntia

    Panicum hallii

    Pennisetum ciliare var. ciliare

    threeawn

    hooded windmill grass

    blackbrush

    Texas persimmon

    ironwood

    desert-thorn

    Christmas cactus

    pricklypear

    Hall's panicgrass

    buffelgrass

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

    mollic epipedon

    secondary carbonates

    calcic horizon

    0—38

    25—38

    38—182

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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

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    25

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    Ap—0 to 6 centimeters (0.0 to 2.4 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; fine sandy loam; 18 percent clay; weak thin platy structure; soft, loose, nonsticky, nonplastic; 4.0 fine roots throughout; fragments; very slight effervescence; abrupt smooth boundary.
    Bw—6 to 25 centimeters (2.4 to 9.8 inches); dark brown (10YR 3/3), very dark grayish brown (10YR 3/2), moist; fine sandy loam; 19 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 4.0 fine roots throughout; 1 percent clay films between sand grains and 5 percent faint organic stains on all faces of peds; fragments; slight effervescence; gradual wavy boundary.
    Bk1—25 to 38 centimeters (9.8 to 15.0 inches); dark grayish brown (10YR 4/2), dark brown (10YR 3/3), moist; fine sandy loam; 21 percent clay; moderate coarse subangular blocky structure; moderately hard, firm, nonsticky, nonplastic; 3.0 fine roots throughout; 3 percent fine irregular carbonate masses in matrix; fragments; strong effervescence; gradual smooth boundary.
    Bk2—38 to 91 centimeters (15.0 to 35.8 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; fine sandy loam; 25 percent clay; moderate coarse subangular blocky structure; moderately hard, firm, nonsticky, slightly plastic; 3.0 fine roots throughout; 6 percent fine irregular carbonate masses in matrix; fragments; strong effervescence; gradual wavy boundary.
    Bk3—91 to 139 centimeters (35.8 to 54.7 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; fine sandy loam; 15 percent clay; weak coarse subangular blocky structure; slightly hard, firm, nonsticky, slightly plastic; 2.0 fine roots throughout; 2 percent fine irregular carbonate masses in matrix and 8 percent medium threadlike carbonate masses in matrix; fragments; strong effervescence; gradual wavy boundary.
    BCk1—139 to 177 centimeters (54.7 to 69.7 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; loamy sand; 10 percent clay; weak very coarse subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 2.0 fine roots throughout; 2 percent fine spherical carbonate nodules in matrix and 10 percent medium irregular carbonate masses in matrix; 3 percent by volume nonflat rounded indurated 2-20-35 millimeter sandstone, unspecified fragments; violent effervescence; gradual smooth boundary.
    BCk2—177 to 182 centimeters (69.7 to 71.7 inches); pale yellow (2.5Y 7/3), light olive brown (2.5Y 5/3), moist; fine sand; 3 percent clay; structureless massive; loose, loose by carbonates, nonsticky, nonplastic; 1.0 fine roots throughout; 35 percent coarse irregular very weakly coherent cemented carbonate concretions throughout and 15 percent medium irregular carbonate masses in matrix; 15 percent by volume 2 - 9-? millimeter sandstone, unspecified fragments; violent effervescence; clear smooth boundary.
    Ck—182 to 203 centimeters (71.7 to 79.9 inches); pale yellow (2.5Y 7/3), light olive brown (2.5Y 5/3), moist; fine sand; 2 percent clay; structureless massive; loose, loose, nonsticky, nonplastic; 7 percent coarse irregular carbonate masses in matrix; fragments; strong effervescence.