IDENTIFIERS

  • Current Taxon Name (Soil Name): Austonio
  • OSD
  • Series Extent
  • User Site ID: S11TX2897002
  • User Pedon ID: S11TX2897002
  • Vegetation Plot ID: S11TX2897002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S11TX2897002
  • NCSS Pedon Lab Data NASIS Record ID - 45616
  • Print Date: 11/21/2024

    • 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: 31.4132805
  • Std. Longitude: -95.7311707
  • Datum: WGS84
  • State: Texas
  • County: TX289—Leon
  • MLRA: 87A—Texas Claypan Area, Southern Part
  • Non-MLRA Soil Survey Area: TX289—Leon County, Texas
  • 7.5 Minute USGS Quad: 31095-D6—Stanmire Lake, Texas

    • PEDON

  • Describers Name: C.T. Hallmark and Chance Robinson
  • Current Taxonomic Class: Fine-loamy, siliceous, active, thermic Typic Hapludalfs
  • Current Taxon Kind: family
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Correlated Information:
  • Soil Name - Austonio
  • PSC - 85 to 135 cm.
  • Classificaton Date - 7/12/2013
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rader
  • Classificaton Date - 4/12/2011
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: stream terrace
  • Microfeature: mound
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Geology: Qal formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/12/2011 (actual site observation date)
  • Surface Water Kind: none observed
  • Microrelief Kind: microhigh
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 30
    • 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 % % % % % % % % % % % % %

    Ap

    A

    E1

    E2

    E3

    E4

    Bt

    Btg1

    Btg2

    B't1

    B't2

    BCt

    Cg

    0

    21

    32

    45

    55

    67

    85

    110

    135

    159

    195

    221

    251

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    0

    0.1

    0.1

    0

    0.1

    0.1

    0.1

    0

    0

    0

    0

    0

    0

    0.1

    0

    0.1

    0

    0.1

    0.1

    0

    0

    0

    0

    0

    0

    0

    0.9

    0.6

    0.8

    0.7

    0.7

    1

    0.5

    0.7

    0.6

    0.7

    0.8

    0.2

    0.2

    42.2

    44.3

    46.1

    47.8

    47.8

    48

    42

    37.5

    32.5

    36.4

    43.6

    37.6

    40.8

    28.6

    30.2

    31.2

    31.1

    31.1

    30.4

    27.5

    22

    17.1

    16.4

    20.6

    38.2

    40.7

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

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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

    Ap

    A

    E1

    E2

    E3

    E4

    Bt

    Btg1

    Btg2

    B't1

    B't2

    BCt

    Cg

    0

    21

    32

    45

    55

    67

    85

    110

    135

    159

    195

    221

    251

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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 %

    Ap

    A

    E1

    E2

    E3

    E4

    Bt

    Btg1

    Btg2

    B't1

    B't2

    BCt

    Cg

    0

    21

    32

    45

    55

    67

    85

    110

    135

    159

    195

    221

    251

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    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    2GA

    BRAR5

    HOPU

    NALE3

    OPUNT

    RUBUS

    SEPA10

    —

    Bromus arvensis

    Hordeum pusillum

    Nassella leucotricha

    Opuntia

    Rubus

    Setaria parviflora

    Grass, annual

    field brome

    little barley

    Texas wintergrass

    pricklypear

    blackberry

    marsh bristlegrass

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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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    85 -

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

    ochric epipedon

    redox concentrations

    redox concentrations

    redox depletions with chroma 2 or less

    argillic horizon

    abrupt textural change

    reduced matrix

    aquic conditions

    redox depletions with chroma 2 or less

    redox depletions with chroma 2 or less

    reduced matrix

    0—85

    21—55

    67—261

    85—135

    85—251

    85—

    110—159

    110—261

    159—195

    221—261

    251—261

    —-

    —-

    —-

    —-

    —-

    —-

    —-

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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

    450

    210

    60

    —

    207

    1094

    —

    239

    18.6

    27.2

    10.9

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    411596

    Centerville, Texas

    COOP A
    Ap—0 to 21 centimeters (0.0 to 8.3 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; fine sandy loam; 72 percent sand; 19 percent silt; 9 percent clay; weak fine subangular blocky structure; friable; fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.8, pH meter; abrupt smooth boundary. Lab sample # TAMUE3848; dry when described; observed in push tube
    A—21 to 32 centimeters (8.3 to 12.6 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; very fine sandy loam; 75 percent sand; 17 percent silt; 8 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; friable; 25 percent fine pale brown (10YR 6/3), moist, iron depletions; fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.9, pH meter; clear smooth boundary. Lab sample # TAMUE3849; dry when described; observed in push tube
    E1—32 to 45 centimeters (12.6 to 17.7 inches); brown (10YR 5/3) loamy fine sand; 78 percent sand; 16 percent silt; 5 percent clay; weak fine subangular blocky structure; very friable; 25 percent medium pale brown (10YR 6/3), moist, iron depletions; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.1, pH meter; gradual smooth boundary. Lab sample # TAMUE3850; dry when described; observed in push tube
    E2—45 to 55 centimeters (17.7 to 21.7 inches); pale brown (10YR 6/3) loamy fine sand; 80 percent sand; 16 percent silt; 5 percent clay; weak fine subangular blocky structure; very friable; 10 percent brown (10YR 5/3), moist, iron-manganese masses; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, pH meter; gradual smooth boundary. Lab sample # TAMUE3851; dry when described; observed in push tube
    E3—55 to 67 centimeters (21.7 to 26.4 inches); brown (10YR 5/3) loamy fine sand; 79 percent sand; 16 percent silt; 4 percent clay; weak fine subangular blocky structure; very friable; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.1, pH meter; clear smooth boundary. Lab sample # TAMUE3852; dry when described; observed in push tube
    E4—67 to 85 centimeters (26.4 to 33.5 inches); pale brown (10YR 6/3) loamy fine sand; 80 percent sand; 16 percent silt; 4 percent clay; weak fine subangular blocky structure; very friable; 5 percent fine distinct yellowish brown (10YR 5/4), moist, iron-manganese masses; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.7, pH meter; clear smooth boundary. Lab sample # TAMUE3853; dry when described; observed in push tube
    Bt—85 to 110 centimeters (33.5 to 43.3 inches); yellowish brown (10YR 5/6) fine sandy loam; 70 percent sand; 15 percent silt; 15 percent clay; moderate medium subangular blocky structure; firm; 5 percent very fine light brownish gray (10YR 6/2), moist, iron depletions and 5 percent light yellowish brown (10YR 6/4), moist, masses of oxidized iron and 15 percent medium grayish brown (10YR 5/2), moist, iron depletions; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.2, pH meter; gradual smooth boundary. Lab sample # TAMUE3854; moist when described; observed in push tube
    Btg1—110 to 135 centimeters (43.3 to 53.1 inches); grayish brown (10YR 5/2) sandy clay loam; 60 percent sand; 11 percent silt; 29 percent clay; moderate medium angular blocky structure; very firm; distinct grayish brown (10YR 5/2), moist, clay films on vertical faces of peds; 5 percent dark grayish brown (10YR 4/2), moist, iron-manganese masses and 20 percent yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; neutral, pH 7.3, pH meter; gradual smooth boundary. Lab sample # TAMUE3855; moist when described; observed in push tube. continuous - phpvsfiid 725751; continuous - phpvsfiid 725751
    Btg2—135 to 159 centimeters (53.1 to 62.6 inches); gray (10YR 5/1) sandy clay; 50 percent sand; 11 percent silt; 39 percent clay; moderate medium angular blocky structure; very firm; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 5 percent fine yellowish red (5YR 4/6), moist, masses of oxidized iron and 15 percent medium yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.8, pH meter; clear smooth boundary. Lab sample # TAMUE3856; moist when described; observed in push tube. continuous - phpvsfiid 725752; continuous - phpvsfiid 725752
    B't1—159 to 195 centimeters (62.6 to 76.8 inches); yellowish brown (10YR 5/4) sandy clay loam; 54 percent sand; 12 percent silt; 34 percent clay; moderate medium angular blocky structure; very firm; distinct grayish brown (10YR 5/2), moist, clay films on vertical faces of peds; 10 percent medium prominent 5YR 4/8 (5YR 4/8), moist, masses of oxidized iron and 25 percent grayish brown (10YR 5/2), moist, iron depletions; 1 percent fine barite crystals; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; gradual smooth boundary. Lab sample # TAMUE3857; moist when described; observed in push tube. continuous - phpvsfiid 725753; continuous - phpvsfiid 725753
    B't2—195 to 221 centimeters (76.8 to 87.0 inches); brown (10YR 5/3) sandy clay loam; 65 percent sand; 10 percent silt; 25 percent clay; moderate medium angular blocky structure; very firm; distinct grayish brown (10YR 5/2), moist, clay films on vertical faces of peds; 10 percent yellowish red (5YR 5/6), moist, masses of oxidized iron and 25 percent dark yellowish brown (10YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; abrupt smooth boundary. Lab sample # TAMUE3858; moist when described; observed in push tube. continuous - phpvsfiid 725754; continuous - phpvsfiid 725754
    BCt—221 to 251 centimeters (87.0 to 98.8 inches); brown (10YR 5/3) stratified stratified very fine sandy loam; 76 percent sand; 7 percent silt; 17 percent clay; weak medium subangular blocky structure; friable; distinct grayish brown (10YR 5/2), moist, clay films on vertical faces of peds; 15 percent light brownish gray (2.5Y 6/2), moist, iron depletions and 25 percent medium yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.5, pH meter; gradual smooth boundary. Lab sample # TAMUE3859; moist when described; observed in push tube. continuous - phpvsfiid 725755; continuous - phpvsfiid 725755
    Cg—251 to 261 centimeters (98.8 to 102.8 inches); light gray (10YR 7/1) stratified stratified very fine sandy loam; 82 percent sand; 7 percent silt; 12 percent clay; structureless single grain; loose; 1 percent black (10YR 2/1), moist, iron-manganese concretions and 10 percent yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.5, pH meter. Lab sample # TAMUE3860; moist when described; observed in push tube