IDENTIFIERS

  • Current Taxon Name (Soil Name): Nimrod
  • OSD
  • Series Extent
  • Local Phase: fine sand
  • User Site ID: S1963TX143002
  • User Pedon ID: S1963TX143002
  • Vegetation Plot ID: S1963TX143002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4467
  • NCSS Pedon Lab Data NASIS Record ID - 40620
  • User Project ID: 2020-MLRA-001
  • Project Name: MLRA 84B - Paluxy Erosional Hillslopes, Central Part
  • Print Date: 11/12/2024

    • 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: 32.2672234
  • Std. Longitude: -98.2611084
  • Datum: WGS84
  • Location Description: 6 miles N of intersection of Highway 108 and FM Road 8; left (W) on Pigeon Road (FM) 3.5 miles; left (S) on farm lane, then left in wooded tract.
  • Country: US—United States
  • State: Texas
  • County: TX143—Erath
  • MLRA: 84B—West Cross Timbers
  • Non-MLRA Soil Survey Area: TX143—Erath County, Texas
  • 7.5 Minute USGS Quad: 32098-C3—Huckabay, Texas

    • PEDON

  • Describers Name: M.Stout and W.R. Elder
  • Current Taxonomic Class: Loamy, siliceous, active, thermic Aquic Arenic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Nimrod (flagged as OSD)
  • PSC - 69 to 119 cm.
  • Classificaton Date - 6/13/2019
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Nimrod
  • Taxonomic Class - Loamy, siliceous, thermic Aquic Arenic Paleustalfs
  • Taxon Kind - series
  • PSC - 69 to 119 cm.
  • Classificaton Date - 4/16/1963
  • Soil Taxonomic Edition - first edition
  • Moisture Class - ustic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: locally reworked eolian sands over residuum weathered from sandstone and siltstone
  • Landscape: hills
  • Landform: low ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Geology: Georges Creek member of the Paluxy formation in the Fredericksburg group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R084BY172TX Sandy 29-33" PZ Jun 14 2019 Chance Robinson
  • Ecological State: 1 - Tallgrass/Oak Savannah
  • Community Phase: 2 - Tallgrass/Shrubland Transition

    • SITE OBSERVATION

  • Observation Date: 4/16/1963 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    DIOLS

    QUMA3

    QUST

    SCSC

    TRFL2

    Dichanthelium oligosanthes var. scribnerianum

    Quercus marilandica

    Quercus stellata

    Schizachyrium scoparium

    Tridens flavus

    Scribner's rosette grass

    blackjack oak

    post oak

    little bluestem

    purpletop tridens

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    albic horizon

    albic materials

    argillic horizon

    abrupt textural change

    redox concentrations

    redox depletions with chroma 2 or less

    aquic conditions

    episaturation

    0—10

    10—69

    10—69

    69—173

    69—69

    69—234

    69—74

    69—173

    69—173

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    —-
    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

    1

    —

    —

    424

    —

    45

    801

    —

    234

    17.6

    27.3

    7.4

    —

    —

    —

    —

    —

    418623

    STEPHENVILLE 9NNE

    COOP
    A—0 to 10 centimeters (0.0 to 3.9 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; fine sand; structureless single grain; loose, very friable; fragments; neutral, pH 6.7, pH meter; abrupt irregular boundary. Lab sample # 40A34164; observed in pit, small
    E1—10 to 38 centimeters (3.9 to 15.0 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; fine sand; structureless single grain; loose, very friable; 5 percent organic stains on surfaces along pores; fragments; slightly acid, pH 6.4, pH meter; gradual smooth boundary. Lab sample # 40A34165; observed in pit, small
    E2—38 to 69 centimeters (15.0 to 27.2 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; fine sand; structureless single grain; loose, very friable; fragments; slightly acid, pH 6.3, pH meter; abrupt wavy boundary. Lab sample # 40A34166; observed in pit, small
    Bt1—69 to 74 centimeters (27.2 to 29.1 inches); variegated light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; sandy clay loam; strong medium prismatic parts to moderate medium subangular blocky structure; hard, firm; distinct clay films on vertical faces of peds; 5 percent medium light gray (10YR 7/1), moist, iron depletions at top of horizon and 30 percent coarse distinct reddish yellow (7.5YR 6/6), moist, masses of oxidized iron in matrix and 30 percent coarse distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; fragments; strongly acid, pH 5.5, pH meter; abrupt wavy boundary. Lab sample # 40A34167; observed in pit, small
    Bt2—74 to 102 centimeters (29.1 to 40.2 inches); variegated light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; sandy clay loam; strong coarse prismatic parts to moderate coarse subangular blocky structure; extremely hard, very firm; distinct clay films on vertical faces of peds and distinct gray (10YR 5/1), moist, sand coats on all faces of peds; 30 percent coarse distinct reddish yellow (7.5YR 6/6), moist, masses of oxidized iron in matrix and 30 percent coarse distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix; fragments; strongly acid, pH 5.3, pH meter; gradual wavy boundary. Lab sample # 40A34168; observed in pit, small
    Bt3—102 to 135 centimeters (40.2 to 53.1 inches); light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; sandy clay loam; strong coarse prismatic parts to moderate coarse subangular blocky structure; extremely hard, very firm; distinct gray (10YR 5/1) clay films on vertical faces of peds and distinct gray (10YR 5/1), moist, sand coats on vertical faces of peds; 1 percent iron-manganese concretions and 20 percent coarse distinct olive brown (2.5Y 4/4), moist, masses of oxidized iron and 20 percent coarse prominent red (2.5YR 4/6), moist, masses of oxidized iron; 1 percent by volume weakly coherent cemented 2-?-75 millimeter ironstone nodules fragments; strongly acid, pH 5.5, pH meter; gradual wavy boundary. Lab sample # 40A34169; observed in pit, small
    Bt4—135 to 173 centimeters (53.1 to 68.1 inches); light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; sandy clay loam; strong coarse and very coarse prismatic structure; extremely hard, very firm; distinct gray (10YR 5/1) clay films on vertical faces of peds and distinct gray (10YR 5/1), moist, sand coats on vertical faces of peds; 1 percent iron-manganese nodules and 10 percent coarse distinct olive brown (2.5Y 4/4), moist, masses of oxidized iron and 10 percent coarse prominent red (2.5YR 4/6), moist, masses of oxidized iron; 1 percent by volume weakly coherent cemented 2-?-75 millimeter ironstone nodules fragments; moderately acid, pH 5.6, pH meter; diffuse wavy boundary. Lab sample # 40A34170; observed in pit, small
    BC—173 to 203 centimeters (68.1 to 79.9 inches); variegated red (2.5YR 5/6) and light gray (10YR 7/2), red (2.5YR 5/6) and light gray (10YR 7/2), moist; loamy fine sand; weak coarse prismatic structure; hard, friable; brittle; very few (0.1) very fine roots between peds; fragments; moderately acid, pH 5.8, pH meter; gradual wavy boundary. Lab sample # 40A34171; observed in pit, small
    Cd1—203 to 234 centimeters (79.9 to 92.1 inches); light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; loamy fine sand; weak very coarse prismatic structure; hard, friable, noncoherent; coarse prominent red (10R 4/6), moist, masses of oxidized iron; fragments; moderately acid, pH 5.6, pH meter; gradual smooth boundary. Lab sample # 40A34172; observed in pit, small
    Cd2—234 to 267 centimeters (92.1 to 105.1 inches); light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; loamy fine sand; weak very coarse prismatic structure; hard, friable, noncoherent; fragments; moderately acid, pH 5.8, pH indicator solutions. Lab sample # 40A34173