IDENTIFIERS

  • Current Taxon Name (Soil Name): Eckrant
  • OSD
  • Series Extent
  • User Site ID: S81TX265001
  • User Pedon ID: S81TX-265-001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S81TX265001
  • 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: 30.1573448
  • Std. Longitude: -99.5219193
  • Datum: WGS84
  • Location Description: Black Bull Ranch; 16.0 km west on State Highway 41 from intersection with State Highway 27; after entering Black Bull Ranch take pasture road east 2.08 km from the entrance road, site is 212 meters north of State Hwy 41.
  • State: Texas
  • County: TX265—Kerr
  • MLRA: 81B—Edwards Plateau, Central Part
  • Non-MLRA Soil Survey Area: TX265—Kerr County, Texas
  • 7.5 Minute USGS Quad: 30099-B5—Live Oak Ranch, Texas

    • PEDON

  • Describers Name: M.R, L.W., T. M
  • Current Taxonomic Class: Clayey-skeletal, smectitic, thermic Lithic Haplustolls
  • Current Taxon Kind: series
  • Pedon Record Orgin: 1986 Characterization Data For Selected Texas Soils
  • Correlated Information:
  • Soil Name - Eckrant
  • Classificaton Date - 10/30/2015
  • Sampled As Information:
  • Soil Name - Eckrant Variant
  • Taxonomic Class - Clayey, smectitic, thermic Lithic Haplustolls
  • Taxon Kind - series
  • Classificaton Date - 8/19/1982
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: limestone
  • Landscape: upland
  • Hill Slope Profile: summit
  • Drainage Class: well
  • Bedrock: limestone, unspecified at 43cm
  • Geology: Segovia Member (edwards) formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/19/1982 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    43 - 61

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

    mollic epipedon

    lithic contact

    cambic horizon

    secondary carbonates

    0—33

    20—61

    33—43

    33—43

    —-

    —-

    —-

    —-
    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

    0.5

    —

    —

    700

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 5 centimeters (0.0 to 2.0 inches);, very dark brown (10YR 2/2), moist; silty clay; weak medium subangular blocky, and weak medium granular structure; friable; 5.0 fine roots; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # TAMU1267
    A2—5 to 20 centimeters (2.0 to 7.9 inches);, very dark brown (10YR 2/2), moist; silty clay; moderate medium subangular blocky, and moderate fine granular structure; friable; 5.0 fine roots; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # TAMU1268
    R/A—20 to 33 centimeters (7.9 to 13.0 inches);, very dark brown (10YR 2/2), moist; very cobbly clay; moderate medium subangular blocky, and moderate fine granular structure; hard; 5.0 fine roots; 50 percent by volume limestone, unspecified fragments; slight effervescence; clear wavy boundary. Lab sample # TAMU1269
    R/Bk—33 to 43 centimeters (13.0 to 16.9 inches);, dark yellowish brown (10YR 4/4), moist; very cobbly clay; weak fine subangular blocky, and moderate fine granular structure; soft; 0.5 fine roots; fragments; violent effervescence; abrupt smooth boundary. Lab sample # TAMU1270
    R1—43 to 52 centimeters (16.9 to 20.5 inches);, white (10YR 8/1), moist; bedrock; fragments. Lab sample # TAMU1271
    R2—52 to 61 centimeters (20.5 to 24.0 inches);, white (10YR 8/1), moist; bedrock; fragments. Lab sample # TAMU1272