IDENTIFIERS

  • Current Taxon Name (Soil Name): Speck
  • OSD
  • Series Extent
  • User Site ID: S99TX027001
  • User Pedon ID: S99TX027001
  • Vegetation Plot ID: S99TX027001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S99TX027001
  • NCSS Pedon Lab Data NASIS Record ID - 87662
  • Print Date: 11/26/2024

    • 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: 31.1360664
  • Std. Longitude: -97.6018524
  • Datum: WGS84

    • PEDON

  • Describers Name: Sam Brown, Laurie Kiniry, Tom Cyprian, James Greenwade, Sidney Paulson
  • Current Taxonomic Class: Clayey, smectitic, thermic, shallow Petrocalcic Paleustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Speck
  • PSC - 10 to 38 cm.
  • Classificaton Date - 9/15/2011
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Evant
  • Classificaton Date - 10/26/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Bedrock: weakly coherent chalk at 69cm with <10
  • Geology: Walnut formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/26/1999 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • 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

    QUST

    ULCR

    Quercus stellata

    Ulmus crassifolia

    post oak

    cedar elm

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    petrocalcic

    moderately coherent

    38 - 69

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

    mollic epipedon

    argillic horizon

    petrocalcic horizon

    paralithic materials

    0—38

    10—38

    38—69

    69—152

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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

    2

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    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (5YR 3/1) interior, black (5YR 2.5/1) interior, moist; silty clay; moderate medium angular blocky parts to moderate fine subangular blocky, and moderate medium angular blocky parts to moderate medium subangular blocky structure; hard, firm; 3.0 medium roots throughout and 5.0 fine roots throughout; 3.0 medium vesicular and 3.0 fine vesicular pores; 5 percent by volume nonflat subrounded indurated 75-?-250 millimeter limestone, unspecified fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # TAMU6472; observed in trench
    Bt—10 to 28 centimeters (3.9 to 11.0 inches); reddish brown (5YR 4/3) interior, dark reddish brown (5YR 3/3) interior, moist; clay; moderate medium angular blocky parts to moderate medium subangular blocky, and moderate medium angular blocky parts to moderate fine subangular blocky structure; hard, firm; 3.0 fine roots throughout; 1.0 fine vesicular and 1.0 fine vesicular pores; 3 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # TAMU6473; observed in trench. continuous - phpvsfiid 91644; continuous - phpvsfiid 91644
    Btk—28 to 38 centimeters (11.0 to 15.0 inches); dark reddish brown (5YR 3/2) interior, dark reddish brown (5YR 2.5/2) interior, moist; very gravelly clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, firm; 3.0 fine roots throughout; 1.0 fine vesicular pores; 5 percent distinct clay films on all faces of peds; 25 percent by volume nonflat subrounded strongly coherent cemented 2-?-30 millimeter limestone, unspecified fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # TAMU6474; observed in trench. continuous - phpvsfiid 91645; continuous - phpvsfiid 91645
    Bkm—38 to 69 centimeters (15.0 to 27.2 inches); pink (7.5YR 8/3) interior, pink (7.5YR 7/3) interior, moist; cemented material; massive; moderately coherent by carbonates; fragments; clear smooth boundary.; observed in trench
    Crk—69 to 152 centimeters (27.2 to 59.8 inches); pink (7.5YR 8/3) interior, pink (7.5YR 7/3) interior, moist; bedrock; massive; fragments. Lab sample # TAMU6475; observed in trench