IDENTIFIERS

  • Current Taxon Name (Soil Name): Leoncita
  • OSD
  • Series Extent
  • User Site ID: S11TX3111006
  • User Pedon ID: S11TX3111006
  • Vegetation Plot ID: S11TX3111006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 11N7189
  • NCSS Pedon Lab Data NASIS Record ID - 50875
  • 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: 28.4599075
  • Std. Longitude: -98.6146088
  • Datum: WGS84
  • State: Texas
  • County: TX311—McMullen
  • MLRA: 83A—Northern Rio Grande Plain
  • 7.5 Minute USGS Quad: 28098-D5—Tilden, Texas

    • PEDON

  • Describers Name: Clark Harshbarger and Gary Harris
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, hyperthermic Aridic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • 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 - 2/7/2011
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-loamy alluvium derived from sedimentary rock
  • Landscape: coastal plain
  • Landform: remnant paleoterrace
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Geology: Quaternary Terrace formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological State: Grey Sandy Loam

    • SITE OBSERVATION

  • Observation Date: 2/7/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ACBE

    CORA

    FOPU2

    LYCIU

    PECIC

    Acacia berlandieri

    Coleogyne ramosissima

    Forestiera pubescens

    Lycium

    Pennisetum ciliare var. ciliare

    guajillo

    blackbrush

    stretchberry

    desert-thorn

    buffelgrass

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    mollic epipedon

    secondary carbonates

    calcic horizon

    0—32

    32—203

    55—203

    —-

    —-

    —-
    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

    2

    30

    30

    87

    —

    200

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 14 centimeters (0.0 to 5.5 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; fine sandy loam; 14 percent clay; moderate fine subangular blocky structure; moderately hard, very friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.
    A—14 to 32 centimeters (5.5 to 12.6 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; fine sandy loam; 16 percent clay; moderate fine subangular blocky structure; moderately hard, friable, nonsticky, nonplastic; 3.0 medium roots throughout and 2.0 fine roots throughout and 1.0 coarse roots throughout; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.
    Bk1—32 to 55 centimeters (12.6 to 21.7 inches); brown (10YR 5/3), brown (10YR 4/3), moist; fine sandy loam; 19 percent clay; moderate medium subangular blocky structure; moderately hard, friable, nonsticky, slightly plastic; 3.0 very fine roots throughout and 2.0 fine roots throughout; 3 percent fine irregular carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary.
    Bk2—55 to 126 centimeters (21.7 to 49.6 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; fine sandy loam; 22 percent clay; moderate coarse subangular blocky structure; moderately hard, friable, nonsticky, slightly plastic; 10 percent medium threadlike carbonate masses and 3 percent medium spherical carbonate concretions; fragments; violent effervescence, by hcl, 1n; gradual smooth boundary.
    Bk3—126 to 170 centimeters (49.6 to 66.9 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; fine sandy loam; 21 percent clay; weak coarse subangular blocky structure; hard, firm, nonsticky, slightly plastic; 7 percent coarse irregular carbonate masses in matrix and 8 percent medium threadlike carbonate masses in matrix; fragments; violent effervescence, by hcl, 1n; gradual smooth boundary.
    Bk4—170 to 203 centimeters (66.9 to 79.9 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; fine sandy loam; 22 percent clay; weak coarse subangular blocky structure; hard, firm, nonsticky, slightly plastic; 5 percent medium irregular carbonate masses in matrix; fragments; violent effervescence, by hcl, 1n.