IDENTIFIERS

  • Current Taxon Name (Soil Name): Kirbyville
  • OSD
  • Series Extent
  • User Site ID: S96TX1990011
  • User Pedon ID: S96TX199001
  • Vegetation Plot ID: S96TX1990011
  • Transect:
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S96TX199001
  • NCSS Pedon Lab Data NASIS Record ID - 45728
  • Print Date: 11/23/2024

    • 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: 30.4897222
  • Std. Longitude: -94.2114167
  • Datum: WGS84
  • Location Description: Typical pedon of Kirbyville very fine sandy loam in an area of Kirbyville-Niwana complex, 0 to 1 percent slopes in woodland; from the intersection of Texas Highway 92 and Farm Road 1122 in Silsbee; 4.3 miles north on Texas Highway 92 to Gore Store Road; 2.8 miles west on Gore Store Road to county road; 0.9 mile north on county road, then 1.0 mile east on county road to pipeline; 300 feet southwest in forest. (Latitude is 30N, 29, 23.0; Longitude is 94W, 12, 41.1)
  • Map Unit: KinB—Kirbyville-Niwana complex, 0 to 2 percent slopes
  • State: Texas
  • County: TX199—Hardin
  • MLRA: 152B—Western Gulf Coast Flatwoods
  • Non-MLRA Soil Survey Area: TX457—Tyler County, Texas

    • PEDON

  • Describers Name: JKW, REL, ALS
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, thermic Oxyaquic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Kirbyville
  • PSC - 46 to 97 cm.
  • Classificaton Date - 5/21/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Kirbyville
  • Classificaton Date - 7/29/1996
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy fluviomarine deposits
  • Landscape: coastal plain, coastal plain
  • Landform: flat
  • Geomorphic Component Flats: rise
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Lissie formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/29/1996 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • 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

    CAREX

    LIATR

    MOCE2

    PITA

    SCSCD2

    Carex

    Liatris

    Morella cerifera

    Pinus taeda

    Schizachyrium scoparium ssp. divergens

    sedge

    blazing star

    wax myrtle

    loblolly pine

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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

    1

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    A—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; very fine sandy loam; 50 percent sand; 45 percent silt; 5 percent clay; moderate medium granular structure; slightly hard, friable; 5.0 medium and coarse roots throughout; 5.0 very fine and fine tubular pores; 1 percent fine spherical iron-manganese nodules and 2 percent fine distinct dark brown (7.5YR 3/4) masses of oxidized iron with sharp boundaries between peds and 2 percent fine prominent strong brown (7.5YR 4/6) masses of oxidized iron with sharp boundaries throughout; 1 percent fine spherical throughout and 1 percent fine spherical worm casts throughout; fragments; 1 percent krotovinas (volume percent); very strongly acid, pH 4.5, pH meter; clear smooth boundary. Lab sample # TAMU6000; slightly moist when described;
    E—13 to 28 centimeters (5.1 to 11.0 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/4), dry; loam; 47 percent sand; 44 percent silt; 9 percent clay; weak medium subangular blocky structure; slightly hard, friable; 15.0 very fine and fine roots throughout and 5.0 medium roots throughout; 5.0 very fine and fine tubular pores; clay bridges; 1 percent fine spherical ironstone nodules and 2 percent fine distinct strong brown (7.5YR 4/6) masses of oxidized iron with clear boundaries between peds and 2 percent fine distinct brown (7.5YR 4/4) masses of oxidized iron with clear boundaries throughout and 3 percent fine distinct light yellowish brown (10YR 6/4) masses of oxidized iron with clear boundaries throughout; 1 percent fine spherical throughout; fragments; 1 percent krotovinas (volume percent); very strongly acid, pH 4.5, pH meter; clear wavy boundary. Lab sample # TAMU6001; slightly moist when described;
    E/Bt—28 to 46 centimeters (11.0 to 18.1 inches); 70 percent light yellowish brown (10YR 6/4) and 30 percent brownish yellow (10YR 6/6), 70 percent light yellowish brown (10YR 6/4) and 30 percent brownish yellow (10YR 6/6), dry; loam; 44 percent sand; 40 percent silt; 16 percent clay; weak medium prismatic parts to weak medium and coarse subangular blocky structure; hard, firm; 10.0 very fine and fine roots throughout and 2.0 medium roots throughout; 5.0 fine tubular pores; 1 percent faint yellowish brown (10YR 5/6) clay films on faces of peds and in pores; 3 percent fine spherical ironstone nodules and 3 percent fine prominent yellowish red (5YR 5/8) masses of oxidized iron with clear boundaries between peds and 5 percent fine distinct yellowish brown (10YR 5/8) masses of oxidized iron with clear boundaries throughout; 3 percent fine spherical throughout; fragments; 5 percent krotovinas (volume percent); very strongly acid, pH 4.5, pH meter; gradual wavy boundary. Lab sample # TAMU6002; slightly moist when described;. krotovinas filled with 10YR 5/2 loam; few old root channels filled with 10YR 5/2 loam
    B/Et—46 to 64 centimeters (18.1 to 25.2 inches); 50 percent yellowish brown (10YR 5/6) and 25 percent light yellowish brown (10YR 6/4), 50 percent brownish yellow (10YR 6/6) and 25 percent pale brown (10YR 6/3), dry; loam; 42 percent sand; 36 percent silt; 22 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; hard, firm; 2.0 very fine and fine roots throughout; 1.0 medium tubular and 2.0 fine tubular pores; 5 percent distinct yellowish brown (10YR 5/8) clay films on faces of peds and in pores; 2 percent fine plinthite nodules and 5 percent fine spherical ironstone nodules and 5 percent fine prominent yellowish red (5YR 5/6) masses of oxidized iron with clear boundaries between peds and 8 percent fine distinct strong brown (7.5YR 5/8) masses of oxidized iron with clear boundaries between peds and 12 percent fine and medium distinct light brownish gray (10YR 6/2) iron depletions with sharp boundaries in matrix; 5 percent fine spherical throughout and 1 percent fine irregular throughout; fragments; 4 percent krotovinas (volume percent); very strongly acid, pH 4.6, pH meter; gradual wavy boundary. Lab sample # TAMU6003; slightly moist when described;. krotovinas filled with 10YR 6/1 loam
    B/Etv—64 to 84 centimeters (25.2 to 33.1 inches); 60 percent brownish yellow (10YR 6/8) and 15 percent light brownish gray (10YR 6/2) and 15 percent pale brown (10YR 6/3) loam; 42 percent sand; 37 percent silt; 21 percent clay; weak coarse prismatic parts to moderate medium subangular blocky structure; hard, firm; 3.0 very fine and fine roots throughout; 3.0 medium vesicular and tubular and 5.0 fine vesicular and tubular pores; 10 percent distinct yellowish brown (10YR 5/8) clay films on faces of peds and in pores; 5 percent fine spherical ironstone nodules and 5 percent fine distinct strong brown (7.5YR 5/8) masses of oxidized iron with clear boundaries between peds and 5 percent fine prominent yellowish red (5YR 5/8) masses of oxidized iron with clear boundaries between peds and 7 percent fine plinthite nodules; 10 percent fine spherical throughout and 16 percent fine irregular red (2.5YR 5/8) throughout; fragments; 6 percent krotovinas (volume percent); very strongly acid, pH 4.6, pH meter; gradual wavy boundary. Lab sample # TAMU6004; slightly moist when described;. krotovinas are lined with 10YR 6/1 loam
    B/Etv—84 to 152 centimeters (33.1 to 59.8 inches); 65 percent yellowish brown (10YR 5/8) and 15 percent gray (10YR 6/1) loam; 43 percent sand; 36 percent silt; 21 percent clay; moderate medium prismatic parts to weak fine and medium angular blocky structure; hard, firm; brittle; 2.0 very fine and fine roots throughout; 5.0 medium vesicular and tubular and 10.0 fine vesicular and tubular and 3.0 coarse vesicular and tubular pores; 5 percent distinct yellowish brown (10YR 5/8) clay films on faces of peds and in pores and 5 percent distinct brownish yellow (10YR 6/8) clay films on faces of peds and in pores; 5 percent fine spherical ironstone nodules and 8 percent fine and medium red (2.5YR 5/8) plinthite nodules and 8 percent fine distinct strong brown (7.5YR 5/8) masses of oxidized iron with clear boundaries between peds and 12 percent fine prominent red (2.5YR 4/8) masses of oxidized iron with sharp boundaries between peds; 6 percent fine spherical throughout and 28 percent fine and medium irregular red (2.5YR 5/8) throughout; fragments; 1 percent krotovinas (volume percent); very strongly acid, pH 4.6, pH meter; gradual irregular boundary. Lab sample # TAMU6005; slightly moist when described;. krotovinas filled with 10YR 6/1 loam
    B/Etv—152 to 203 centimeters (59.8 to 79.9 inches); 50 percent brownish yellow (10YR 6/6) and 35 percent light gray (10YR 7/1) clay loam; 38 percent sand; 30 percent silt; 32 percent clay; moderate medium prismatic parts to weak medium angular blocky structure; hard, firm; brittle; 1.0 very fine roots throughout; 1.0 fine vesicular and tubular pores; 10 percent distinct yellowish brown (10YR 5/8) clay films on faces of peds and in pores; 2 percent fine prominent red (2.5YR 4/8) masses of oxidized iron with sharp boundaries between peds and 3 percent fine and medium red (2.5YR 4/8) plinthite nodules and 5 percent fine and medium red (2.5YR 4/6) plinthite nodules and 5 percent fine prominent yellowish red (5YR 5/8) masses of oxidized iron with clear boundaries between peds and 7 percent fine spherical ironstone nodules and 10 percent fine and medium prominent gray (10YR 6/1) iron depletions with clear boundaries between peds; 2 percent fine irregular throughout and 4 percent fine spherical throughout and 26 percent medium irregular red (2.5YR 4/6) throughout; fragments; very strongly acid, pH 4.5, pH meter. Lab sample # TAMU6006; slightly moist when described;