IDENTIFIERS

  • Current Taxon Name (Soil Name): Spindletop
  • OSD
  • Series Extent
  • User Site ID: S2010TX0713680
  • User Pedon ID: S2010TX0713680
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 11N0447
  • NCSS Pedon Lab Data NASIS Record ID - 58666
  • 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: 29.7335091
  • Std. Longitude: -94.5418625
  • Datum: WGS84
  • State: Texas
  • County: TX071—Chambers
  • MLRA: 150A—Gulf Coast Prairies
  • 7.5 Minute USGS Quad: 29094-F5—Oyster Bayou, Texas

    • PEDON

  • Describers Name: Stacey Kloesel
  • Current Taxonomic Class: Fine, smectitic, hyperthermic Oxyaquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Spindletop
  • PSC - 97 to 147 cm.
  • Classificaton Date - 6/29/2011
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Spindletop
  • Classificaton Date - 6/22/2011
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


    • SITE

  • Parent Material: strongly weathered, loamy fluviomarine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: relict meander belt
  • Microfeature: pimple mound
  • Geomorphic Component Flats: rise
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/22/2011 (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 Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A1

    A2

    E

    B/Et

    Bt1

    Bt2

    Btg

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A1

    A2

    E

    B/Et

    Bt1

    Bt2

    Btg

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A1

    A2

    E

    B/Et

    Bt1

    Bt2

    Btg

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

    9999

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    9999

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    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

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

    abrupt textural change

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    97 - 98

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

    mollic epipedon

    episaturation

    redox concentrations

    abrupt textural change

    argillic horizon

    glossic horizon

    redox depletions with chroma 2 or less

    endosaturation

    0—71

    71—115

    71—203

    97—98

    97—203

    97—115

    97—203

    179—203

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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

    0.1

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    6.1

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    140

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    A1—0 to 26 centimeters (0.0 to 10.2 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; very fine sandy loam; moderate medium single grain; very friable; 6.0 very fine roots throughout and 1.0 medium roots throughout and 12.0 fine roots throughout; 2.0 very fine tubular and 8.0 fine interstitial pores; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.9, pH meter, saturated paste; clear smooth boundary. Lab sample # 11N02337; slightly moist when described; observed in pit, small
    A2—26 to 71 centimeters (10.2 to 28.0 inches); very dark grayish brown (10YR 3/2) very fine sandy loam; weak fine subangular blocky structure; very friable; 4.0 very fine roots throughout and 5.0 fine roots throughout; 2.0 very fine tubular and 1.0 medium tubular and 5.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.9, pH meter, saturated paste; gradual wavy boundary. Lab sample # 11N02338; slightly moist when described; observed in pit, small
    E—71 to 97 centimeters (28.0 to 38.2 inches); brown (10YR 4/3) very fine sandy loam; weak medium subangular blocky structure; very friable; 1.0 medium roots throughout and 2.0 fine roots throughout; 11.0 very fine tubular and 4.0 very fine tubular pores; 1 percent fine faint grayish brown (10YR 5/2) iron depletions with sharp boundaries in matrix surrounding redox concentrations and 2 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron with sharp boundaries lining pores; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 5.0, pH meter, saturated paste; abrupt smooth boundary. Lab sample # 11N02339; slightly moist when described; observed in pit, small
    B/Et—97 to 115 centimeters (38.2 to 45.3 inches); 45 percent brown (10YR 5/3) broken face and 20 percent light gray (10YR 7/2) broken face clay loam; weak medium prismatic parts to weak medium subangular blocky structure; firm; 2.0 very fine roots throughout and 1.0 very fine roots throughout; 3.0 very fine tubular and 10.0 fine tubular pores; 2 percent distinct dark gray (10YR 4/1) clay films on vertical faces of peds; 6 percent fine prominent dark grayish brown (10YR 4/2) iron depletions with clear boundaries lining pores and 7 percent medium prominent red (2.5YR 4/8) masses of oxidized iron with sharp boundaries in matrix and 20 percent medium prominent yellowish brown (10YR 5/8) masses of oxidized iron with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.7, pH meter, saturated paste; clear smooth boundary.; moist when described; observed in pit, small
    Bt1—115 to 145 centimeters (45.3 to 57.1 inches); grayish brown (10YR 5/2) clay loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; firm; 3.0 very fine roots throughout; 3.0 very fine tubular and 2.0 medium tubular and 6.0 fine tubular pores; 6 percent distinct gray (10YR 5/1) clay films on all faces of peds; 4 percent medium faint gray (10YR 5/1) iron depletions with sharp boundaries in matrix surrounding redox concentrations and 6 percent medium prominent red (2.5YR 4/8) masses of oxidized iron with sharp boundaries in matrix and 7 percent coarse distinct yellowish brown (10YR 5/4) masses of oxidized iron with clear boundaries in matrix and 20 percent coarse prominent brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.8, pH meter, saturated paste; clear smooth boundary. Lab sample # 11N02341; moist when described; observed in pit, small
    Bt2—145 to 179 centimeters (57.1 to 70.5 inches); gray (2.5Y 6/1) clay; moderate coarse prismatic parts to coarse angular blocky structure; very firm; 2.0 very fine roots throughout; 6.0 very fine tubular and 1.0 fine vesicular pores; 2 percent distinct pressure faces and 4 percent faint gray (2.5Y 5/1) clay films on vertical faces of peds; 1 percent fine faint dark gray (10YR 4/1) iron depletions with clear boundaries in matrix surrounding redox concentrations and 4 percent medium faint 2.5Y 4/6 (2.5Y 4/6) masses of oxidized iron with clear boundaries in matrix and 7 percent medium prominent brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries lining pores and 20 percent coarse prominent 2.5YR (2.5YR) masses of oxidized iron with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 4.9, pH meter, saturated paste; gradual smooth boundary. Lab sample # 11N02342; moist when described; observed in pit, small
    Btg—179 to 203 centimeters (70.5 to 79.9 inches); gray (2.5Y 6/1) sandy clay loam; moderate, and weak very coarse prismatic parts to weak very coarse subangular blocky structure; firm; 15 percent distinct gray (2.5Y 5/1) clay films on vertical faces of peds; 5 percent fine prominent brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries in matrix and 5 percent fine faint dark gray (10YR 4/1) iron depletions with clear boundaries in matrix and 7 percent medium prominent olive yellow (2.5Y 6/6) masses of oxidized iron with clear boundaries in matrix and 7 percent medium prominent red (2.5YR 5/6) masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations and 20 percent medium prominent red (2.5YR 4/8) masses of oxidized iron with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 5.0, pH meter, saturated paste.; wet when described; observed in pit, small