IDENTIFIERS

  • Current Taxon Name (Soil Name): Voca
  • OSD
  • Series Extent
  • User Site ID: S11TX299003
  • User Pedon ID: S11TX299003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 12N7663
  • NCSS Pedon Lab Data NASIS Record ID - 55352
  • 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: 30.5707855
  • Std. Longitude: -98.6763306
  • Datum: WGS84
  • State: Texas
  • County: TX299—Llano
  • MLRA: 82A—Texas Central Basin
  • Non-MLRA Soil Survey Area: TX299—Llano County, Texas
  • 7.5 Minute USGS Quad: 30098-E6—Oxford, Texas

    • PEDON

  • Describers Name: Travis Waiser, Alan Deubler, Ashley Newsome
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, thermic Typic Argiustolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Voca
  • Taxonomic Class - Loamy-skeletal, mixed, thermic Typic Argiustolls
  • PSC - 24 to 52 cm.
  • Classificaton Date - 10/17/2011
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from granite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: moderately coherent schist, unspecified at 52cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/17/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • 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

    Bt

    Cr/Bt

    Cr

    0

    8

    24

    52

    115

    8

    24

    52

    115

    —

    —

    —

    —

    —

    —

    NSSL

    NSSL

    NSSL

    NSSL

    NSSL

    13.4

    16

    21.8

    19.2

    3.4

    —

    —

    —

    —

    —

    18.5

    16.7

    13

    9

    11.2

    8.6

    8.2

    6.5

    5.1

    4

    9.9

    8.5

    6.5

    3.9

    7.2

    68.1

    67.3

    65.2

    71.8

    85.4

    sieves

    sieves

    sieves

    sieves

    sieves

    6.1

    5.4

    6

    17.7

    1.6

    8.8

    6.6

    9.5

    18.5

    2.8

    13.6

    14.6

    11

    14.8

    12.9

    24.9

    24

    23.5

    14.2

    48.3

    14.7

    16.7

    15.2

    6.6

    19.8

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    fsl

    fsl

    scl

    cosl

    lfs

    —

    —

    —

    —

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    —

    —

    —

    —

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    5.5

    6

    6.7

    7.6

    —
    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

    Bt

    Cr/Bt

    Cr

    0

    8

    24

    52

    115

    8

    24

    52

    115

    —

    —

    —

    —

    —

    —

    5.1

    5.4

    6.1

    7.1

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    —

    —

    —

    —

    —

    0.03

    0.02

    0.03

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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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

    Bt

    Cr/Bt

    Cr

    0

    8

    24

    52

    115

    8

    24

    52

    115

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    1.8

    0.2

    0.1

    0.1

    —

    ec meter, saturated paste

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

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

    bedrock, paralithic

    weakly coherent

    52 - 115

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

    mollic epipedon

    argillic horizon

    paralithic contact

    0—24

    24—52

    52—115

    —-

    —-

    —-
    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

    2

    —

    —

    362

    —

    200

    —

    —

    —

    —

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; fine sandy loam; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout and 1.0 coarse roots throughout; 1 percent by volume 2-?-75 millimeter granite fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; dry when described; observed in trench
    A2—8 to 24 centimeters (3.1 to 9.4 inches); dark brown (7.5YR 3/4), dark brown (7.5YR 3/3), moist; fine sandy loam; moderate coarse subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout; 2 percent by volume 2-?-75 millimeter granite fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; dry when described; observed in trench
    Bt—24 to 52 centimeters (9.4 to 20.5 inches); dark reddish brown (2.5YR 3/4), dark reddish brown (2.5YR 2.5/4), moist; very gravelly sandy clay loam; moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.0 very fine roots throughout; 50 percent by volume nonflat subangular indurated 2-?-75 millimeter granite fragments; noneffervescent, by hcl, 1n; clear wavy boundary.; dry when described; observed in trench
    Cr/Bt—52 to 115 centimeters (20.5 to 45.3 inches); 85 percent yellowish red (5YR 5/6) and 15 percent reddish brown (5YR 4/4), 85 percent yellowish red (5YR 5/6) and 15 percent reddish brown (5YR 4/3), moist; bedrock, coarse sandy loam; moderate very fine subangular blocky, and structureless massive; hard, firm, nonsticky, nonplastic; 1.0 very fine roots throughout; fragments; noneffervescent, by hcl, 1n; clear irregular boundary.; dry when described; observed in trench
    Cr—115 centimeters (45.3 inches); dark grayish brown (2.5Y 4/2), black (5Y 2.5/1), moist; bedrock; moderately coherent; fragments.; observed in trench