IDENTIFIERS

  • Current Taxon Name (Soil Name): Latch
  • OSD
  • Series Extent
  • User Site ID: TPTX616001S1
  • User Pedon ID: S96TX315001
  • User Site Association ID: TX616-TP
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S96TX315001
  • NCSS Pedon Lab Data NASIS Record ID - 45745
  • Print Date: 2/16/2025
  • 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: 32.7514458
  • Std. Longitude: -94.3379440
  • Datum: WGS84
  • Location Description: from Texas 49 and Farm Market 134 in Jefferson; 0.9 miles southeast on Farm Market 134; 0.1 miles north in woods
  • Map Unit: LmB—Latch-Mollville, frequently ponded complex, 0 to 1 percent slopes
  • State: Texas
  • County: TX315—Marion
  • MLRA: 133B—Western Coastal Plain
  • Non-MLRA Soil Survey Area: TX616—Marion and Cass Counties, Texas
  • PEDON

  • Describers Name: Kirthell Roberts, Doug Slabaugh,Don Sabo,Kirby Griffin,Mark Bordelon, Charlie Henry,Joel Bolin
  • Current Taxonomic Class: Loamy, siliceous, semiactive, thermic Grossarenic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Latch
  • PSC - 142 to 192 cm.
  • Classificaton Date - 5/21/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Latch
  • Classificaton Date - 10/7/1996
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: sandy alluvium
  • Landscape: coastal plain
  • Landform: terrace
  • Microfeature: mound
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Geology: Fluviatile Terrace Deposits formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/7/1996 (actual site observation date)
  • Air Photo ID: 28C
  • Microrelief Elevation: 5
  • 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
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—142

    142—223

    —-

    —-

    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

    57

    20

    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) loamy fine sand; weak fine granular structure; loose, very friable; 6.0 fine to coarse roots throughout; fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # TAMU6064; observed in pit, small
    E1—13 to 41 centimeters (5.1 to 16.1 inches); brown (10YR 5/3) fine sand; weak fine granular structure; loose, very friable; 6.0 fine and medium roots and 3.0 coarse roots throughout; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # TAMU6065
    E2—41 to 83 centimeters (16.1 to 32.7 inches); yellowish brown (10YR 5/4) fine sand; 1 percent pale brown (10YR 6/3) fine faint irregular mottles; weak fine granular structure; loose, very friable; 6.0 fine to coarse roots throughout; 8 percent fine and medium spherical extremely weakly coherent cemented iron-manganese masses throughout; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # TAMU6066
    E3—83 to 142 centimeters (32.7 to 55.9 inches); light yellowish brown (10YR 6/4) fine sand; weak fine granular structure; loose, very friable; 4.0 fine and medium roots and 1.0 coarse roots throughout; 1 percent fine distinct yellowish brown (10YR 5/6) ironstone nodules and 5 percent medium and coarse spherical extremely weakly coherent cemented iron-manganese masses throughout and 10 percent fine and medium spherical extremely weakly coherent cemented iron-manganese masses throughout and 10 percent medium faint light brownish gray (10YR 6/2) iron depletions; fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # TAMU6067
    Bt—142 to 176 centimeters (55.9 to 69.3 inches); yellowish brown (10YR 5/6) fine sandy loam; moderate fine and medium subangular blocky structure; slightly hard, friable; 1.0 medium roots throughout and 1.0 fine roots; 1.0 very fine and fine vesicular pores; 3 percent faint yellowish brown (10YR 5/6) clay films on faces of peds and in pores; 1 percent fine and medium irregular iron-manganese masses between peds and 10 percent fine prominent red (2.5YR 4/6) ironstone nodules and 20 percent medium distinct grayish brown (10YR 5/2) iron depletions; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # TAMU6068. patchy - phpvsfiid 124221; patchy - phpvsfiid 124221
    Btg1—176 to 191 centimeters (69.3 to 75.2 inches); light brownish gray (10YR 6/2) loam; moderate fine and medium subangular blocky structure; slightly hard, friable; 1.0 fine roots throughout; 1.0 very fine and fine vesicular pores; 2 percent faint light gray (10YR 7/2) skeletans on faces of peds and in pores and 10 percent faint gray (10YR 6/1) clay films on faces of peds and in pores; 4 percent fine and medium irregular iron-manganese masses between peds and 5 percent fine prominent yellowish red (5YR 5/8) ironstone nodules and 15 percent medium distinct yellowish brown (10YR 5/6) ironstone nodules and 25 percent medium prominent red (2.5YR 4/6) ironstone nodules; fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # TAMU6069. discontinuous - phpvsfiid 124222; patchy - phpvsfiid 124223; discontinuous - phpvsfiid 124222; patchy - phpvsfiid 124223
    Btg2—191 to 223 centimeters (75.2 to 87.8 inches); grayish brown (10YR 5/2) clay loam; weak medium subangular blocky structure; slightly hard, friable; 1.0 fine roots throughout; 2.0 very fine and fine vesicular pores; 3 percent faint light brownish gray (10YR 6/2) skeletans on faces of peds and in pores; 3 percent fine and medium irregular iron-manganese masses between peds and 8 percent fine prominent yellowish red (5YR 5/8) ironstone nodules and 15 percent medium distinct yellowish brown (10YR 5/6) ironstone nodules; fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # TAMU6070. discontinuous - phpvsfiid 125034; discontinuous - phpvsfiid 125034