IDENTIFIERS

  • Current Taxon Name (Soil Name): Spindletop
  • OSD
  • Series Extent
  • User Site ID: S2012TX2911009
  • User Pedon ID: S2012TX2911009
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 12N7953
  • NCSS Pedon Lab Data NASIS Record ID - 72949
  • 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: 29.9227750
  • Std. Longitude: -94.5438333
  • Datum: WGS84
  • State: Texas
  • County: TX291—Liberty
  • MLRA: 150A—Gulf Coast Prairies
  • 7.5 Minute USGS Quad: 29094-H5—Whites Bayou, Texas

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, hyperthermic Typic Hapludalfs
  • 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 - Spindletop
  • Classificaton Date - 4/14/2014
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Spindletop
  • Taxonomic Class - Fine, smectitic, hyperthermic Oxyaquic Argiudolls
  • PSC - 59 to 109 cm.
  • Classificaton Date - 4/24/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


    • SITE

  • Parent Material: loamy fluviomarine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: flat coastal plain
  • Landform: relict meander
  • Microfeature: pimple mound
  • Geomorphic Component Flats: rise
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Beaumont formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/24/2012 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 29
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    episaturation

    abrupt textural change

    argillic horizon

    slickensides

    secondary carbonates

    endosaturation

    0—47

    47—59

    59—61

    59—203

    81—156

    119—203

    190—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

    0.3

    —

    —

    —

    —

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 17 centimeters (0.0 to 6.7 inches); very dark grayish brown (10YR 3/2) broken face very fine sandy loam; moderate medium granular structure; very friable; 10.0 very fine roots throughout and 15.0 fine roots throughout; 12.0 fine interstitial pores; fragments; noneffervescent; clear smooth boundary.; moist when described; observed in pit, small
    A2—17 to 47 centimeters (6.7 to 18.5 inches); very dark grayish brown (10YR 3/2) broken face fine sandy loam; moderate medium subangular blocky structure; very friable; 5.0 very fine roots throughout and 12.0 fine roots throughout; 5.0 very fine tubular and 2.0 medium tubular and 10.0 fine tubular pores; 1 percent fine faint irregular dark yellowish brown (10YR 4/4) masses of oxidized iron with sharp boundaries lining pores; 2 percent medium insect casts; fragments; 1 to 1 percent krotovinas (volume percent); noneffervescent; clear smooth boundary.; moist when described; observed in pit, small. krotovina is a filled in gopher hole
    E—47 to 59 centimeters (18.5 to 23.2 inches); 70 percent very pale brown (10YR 7/3) broken face and 30 percent brown (10YR 5/3) broken face very fine sandy loam; weak fine subangular blocky structure; very friable; 8.0 very fine roots throughout and 5.0 fine roots throughout; 3.0 very fine tubular and 5.0 fine tubular pores; 1 percent fine distinct irregular yellowish brown (10YR 5/6) masses of oxidized iron with clear boundaries lining pores; 2 percent medium insect casts; fragments; noneffervescent; abrupt smooth boundary.; moist when described; observed in pit, small
    Bt—59 to 81 centimeters (23.2 to 31.9 inches); gray (10YR 5/1) broken face clay; moderate medium prismatic parts to moderate medium angular blocky structure; very firm; 3.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular pores; 3 percent distinct pressure faces and 15 percent distinct clay films on all faces of peds; 5 percent medium prominent irregular yellowish red (5YR 4/6) masses of oxidized iron with sharp boundaries in matrix and 10 percent medium prominent irregular yellowish brown (10YR 5/6) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations; 1 percent medium insect casts; fragments; noneffervescent; gradual wavy boundary.; moist when described; observed in pit, small
    Btss—81 to 119 centimeters (31.9 to 46.9 inches); gray (2.5Y 5/1) broken face clay loam; moderate coarse wedge parts to moderate medium angular blocky structure; very firm; 2.0 very fine roots throughout and 2.0 fine roots throughout; 1.0 very fine tubular and 1.0 fine tubular pores; 5 percent faint gray (2.5Y 5/1) clay films on all faces of peds and 5 percent distinct gray (10YR 5/1) slickensides (pedogenic); 1 percent medium prominent irregular yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries in matrix and 5 percent medium prominent irregular brownish yellow (10YR 6/8) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations and 8 percent medium prominent irregular olive yellow (2.5Y 6/6) masses of oxidized iron with diffuse boundaries in matrix; fragments; noneffervescent; gradual wavy boundary.; moist when described; observed in pit, small
    Btkss—119 to 156 centimeters (46.9 to 61.4 inches); gray (2.5Y 6/1) broken face clay loam; weak coarse wedge parts to moderate medium angular blocky structure; very firm; 2.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 very fine tubular pores; 5 percent faint light brownish gray (2.5Y 6/2) clay films on vertical faces of peds and 10 percent distinct gray (2.5Y 6/1) slickensides (pedogenic); 5 percent medium prominent irregular olive yellow (2.5Y 6/8) masses of oxidized iron with diffuse boundaries on slickensides and 10 percent medium prominent irregular brownish yellow (10YR 6/6) masses of oxidized iron with clear boundaries in matrix; 1 percent coarse irregular moderately coherent cemented white (2.5Y 9/1) carbonate nodules in matrix; fragments; noneffervescent; gradual wavy boundary.; moist when described; observed in pit, small
    Btk—156 to 190 centimeters (61.4 to 74.8 inches); light brownish gray (2.5Y 6/2) broken face clay loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; firm; 1.0 very fine roots throughout; 1.0 very fine tubular pores; 3 percent faint pressure faces and 20 percent distinct light brownish gray (2.5Y 6/2) clay films on vertical faces of peds; 2 percent medium prominent spherical black (10YR 2/1) iron-manganese masses with sharp boundaries in matrix and 15 percent coarse prominent irregular yellowish brown (10YR 5/6) masses of oxidized iron with clear boundaries in matrix; 3 percent coarse irregular moderately coherent cemented white (2.5Y 9/1) carbonate nodules in matrix; fragments; noneffervescent; gradual wavy boundary.; very moist when described; observed in pit, small
    Btkg—190 to 203 centimeters (74.8 to 79.9 inches); light brownish gray (2.5Y 6/2) broken face clay loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; firm; 1.0 very fine roots throughout; 1.0 very fine tubular pores; 20 percent distinct gray (2.5Y 6/1) clay films on vertical faces of peds; 3 percent medium prominent spherical black (2.5Y 2.5/1) iron-manganese masses with sharp boundaries in matrix and 5 percent medium distinct irregular light gray (N 7/0) iron depletions with diffuse boundaries lining pores and 20 percent coarse prominent spherical yellowish brown (10YR 5/6) masses of oxidized iron with clear boundaries in matrix; 2 percent coarse irregular white (2.5Y 9/1) carbonate nodules in matrix; fragments; noneffervescent.; wet when described; observed in pit, small