IDENTIFIERS

  • Current Taxon Name (Soil Name): Pebblepoint
  • OSD
  • Series Extent
  • User Site ID: S11TX307018
  • User Pedon ID: S11TX307018
  • Vegetation Plot ID: S11TX307018
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 11N8433
  • NCSS Pedon Lab Data NASIS Record ID - 55278
  • Print Date: 4/21/2025

    • 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: 31.1924534
  • Std. Longitude: -99.0972366
  • Datum: WGS84
  • State: Texas
  • County: TX307—McCulloch
  • Non-MLRA Soil Survey Area: TX307—McCulloch County, Texas

    • PEDON

  • Describers Name: Jessica Jobe, Travis Waiser, Richard Gelnar, Alan Deubler, Ashley Newsome, Juan Saenz
  • Current Taxonomic Class: Clayey-skeletal, smectitic, thermic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Pebblepoint
  • Classificaton Date - 7/29/2011
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: drainageway
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Bedrock: indurated limestone, unspecified at 118cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/29/2011 (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 % % % % % % % % % % % % %

    A

    Bw1

    Bw2

    Bt

    0

    15

    54

    90

    15

    54

    90

    118

    —

    —

    —

    —

    NSSL

    NSSL

    NSSL

    NSSL

    43.6

    50.7

    63.3

    68.1

    —

    —

    —

    —

    32

    29.3

    20.8

    15.8

    19.8

    17

    12.9

    11.2

    12.2

    12.3

    7.9

    4.6

    24.4

    20

    15.9

    16.1

    sieves

    sieves

    sieves

    sieves

    2.8

    5.6

    3.6

    3.7

    5.1

    4.3

    3.3

    3.6

    6.4

    4.7

    2.8

    2.9

    6.4

    3.3

    3.3

    3.2

    3.7

    2.1

    2.9

    2.7

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    c

    c

    c

    c

    —

    —

    —

    —

    —

    —

    —

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    7

    6.8

    7.1

    7.8
    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

    A

    Bw1

    Bw2

    Bt

    0

    15

    54

    90

    15

    54

    90

    118

    —

    —

    —

    —

    6.7

    6.3

    6.6

    7.6

    —

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    —

    —

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    0.06

    0.04

    —

    —

    —

    —

    —

    —

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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 %

    A

    Bw1

    Bw2

    Bt

    0

    15

    54

    90

    15

    54

    90

    118

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    2

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

    ACGR

    ARIST

    BOCU

    BUDA

    NALE3

    OPUNT

    PRGL2

    QUVI

    Acacia greggii

    Aristida

    Bouteloua curtipendula

    Buchloe dactyloides

    Nassella leucotricha

    Opuntia

    Prosopis glandulosa

    Quercus virginiana

    catclaw acacia

    threeawn

    sideoats grama

    buffalograss

    Texas wintergrass

    pricklypear

    honey mesquite

    live oak

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

    bedrock, lithic

    indurated

    118 -

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

    mollic epipedon

    argillic horizon

    lithic contact

    0—90

    90—118

    118—

    —-

    —-

    —-
    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

    —

    —

    505

    —

    160

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    A—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; clay; 38 percent clay; moderate medium subangular blocky structure; 3.0 very fine roots throughout and 2.0 fine roots throughout; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter limestone, unspecified fragments; noneffervescent; clear smooth boundary.; dry when described; observed in trench
    Bw1—15 to 54 centimeters (5.9 to 21.3 inches); black (10YR 2/1), black (10YR 2/1), moist; gravelly clay; 55 percent clay; moderate fine subangular blocky parts to weak medium subangular blocky structure; 3.0 very fine roots throughout and 2.0 medium roots throughout and 2.0 fine roots throughout and 0.5 coarse roots throughout; 10 percent by volume nonflat subangular indurated 75-?-250 millimeter limestone, unspecified fragments and 20 percent by volume nonflat subangular indurated 2-?-20 millimeter limestone, unspecified fragments and 20 percent by volume nonflat subangular indurated 20-?-75 millimeter limestone, unspecified fragments; noneffervescent; clear wavy boundary.; observed in trench
    Bw2—54 to 90 centimeters (21.3 to 35.4 inches); black (10YR 2/1), black (10YR 2/1), moist; extremely gravelly clay; 55 percent clay; moderate fine subangular blocky structure; 2.0 very fine roots throughout and 0.5 medium roots throughout and 1.0 fine roots throughout; 5 percent by volume 600-?-? millimeter limestone, unspecified fragments and 15 percent by volume 250-?-600 millimeter limestone, unspecified fragments and 20 percent by volume 75-?-250 millimeter limestone, unspecified fragments and 30 percent by volume 2-?-75 millimeter limestone, unspecified fragments; noneffervescent; gradual wavy boundary.; observed in trench
    Bt—90 to 118 centimeters (35.4 to 46.5 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; very cobbly clay; 61 percent clay; weak medium prismatic parts to moderate medium angular blocky structure; 2.0 very fine roots throughout and 0.5 medium roots throughout and 1.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine low-continuity tubular pores; 8 percent by volume nonflat subangular indurated 600-?-? millimeter limestone, unspecified fragments and 10 percent by volume nonflat subangular indurated 75-?-250 millimeter limestone, unspecified fragments and 20 percent by volume nonflat subangular indurated 2-?-75 millimeter limestone, unspecified fragments; very slight effervescence; abrupt smooth boundary.; observed in trench
    R—118 centimeters (46.5 inches); fragments; strong effervescence.; observed in trench