IDENTIFIERS

  • Current Taxon Name (Soil Name): Oakwood
  • OSD
  • Series Extent
  • User Site ID: S1986TX225005
  • User Pedon ID: 86TX225005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0084
  • NCSS Pedon Lab Data NASIS Record ID - 59380
  • Print Date: 2/16/2025

    • 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: 31.5172215
  • Std. Longitude: -95.4302750
  • Datum: WGS84
  • Location Description: Houston County, TX, 3 mi E of Grapeland, on F.R. 228 0.6 mi along Farm lane; 2000 feet E of Grapeland Club Lake.
  • State: Texas
  • County: TX225—Houston
  • MLRA: 133B—Western Coastal Plain

    • PEDON

  • Describers Name: Griffith, Hatherly, Golden, Roberts and Others.
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, thermic Plinthic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Oakwood
  • PSC - 24 to 74 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Oakwood
  • Taxonomic Class - Fine-loamy, siliceous, thermic Plinthic Paleudalf
  • Taxon Kind - series
  • Classificaton Date - 10/1/1986
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: upland slope
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1986 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—24

    24—220

    —-

    —-
    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

    —

    —

    122

    —

    225

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    412114

    —
    1Ap1—0 to 10 centimeters (0.0 to 3.9 inches); dark yellowish brown (10YR 4/4) interior fine sandy loam; weak fine subangular blocky, and weak fine granular structure; very friable; 5.5 fine roots and 0.5 coarse roots; 0.5 medium discontinuous tubular pores; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 87P00501. many fine roots; few coarse roots
    1Ap2—10 to 24 centimeters (3.9 to 9.4 inches); brown (7.5YR 4/4) interior fine sandy loam; weak fine subangular blocky, and weak fine granular structure; very friable; 2.5 medium roots and 5.5 fine roots; 0.5 medium discontinuous tubular and 0.5 coarse discontinuous tubular pores; 2 percent by volume 2-39-75 millimeter ironstone nodules fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 87P00502. common medium roots; many fine roots
    1Bt1—24 to 50 centimeters (9.4 to 19.7 inches); yellowish brown (10YR 5/8) interior clay loam; 1 percent yellowish red (5YR 5/6) fine distinct mottles; weak medium subangular blocky structure; hard, friable; 2.5 medium roots and 5.5 fine roots; 2.5 medium discontinuous tubular and 0.5 fine discontinuous tubular pores; 2 percent faint , moist, clay bridges on vertical faces of peds; 1 percent fine spherical iron-manganese concretions; 5 percent by volume 2-39-75 millimeter ironstone nodules fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 87P00503. few fine iron-manganese concretions concentrations; very few clay bridging surface features on vertical faces of peds; many fine roots; common medium roots; few fine distinct 5YR56 mottles; discontinuous - phpvsfiid 221381; discontinuous - phpvsfiid 221381
    1Bt2—50 to 80 centimeters (19.7 to 31.5 inches); yellowish brown (10YR 5/8) interior clay loam; 1 percent red (2.5YR 4/8) fine prominent mottles; weak medium prismatic, and moderate medium subangular blocky structure; hard, friable; 2.5 medium roots and 2.5 fine roots; 0.5 medium discontinuous tubular and 0.5 fine discontinuous tubular pores; 15 percent faint , moist, clay bridges on all faces of peds; 1 percent fine spherical iron-manganese concretions; 2 percent by volume 2-39-75 millimeter mixed fragments and 12 percent by volume 2-39-75 millimeter ironstone nodules fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 87P00504. few fine iron-manganese concretions concentrations; few clay bridging surface features on vertical and horizontal faces of peds; common fine roots; common medium roots; very few fine prominent 2.5YR48 mottles; discontinuous - phpvsfiid 221382; discontinuous - phpvsfiid 221382
    1Bt3—80 to 98 centimeters (31.5 to 38.6 inches); yellowish brown (10YR 5/6) interior clay loam; 11 percent red (2.5YR 4/8) medium prominent mottles; weak medium prismatic, and moderate fine subangular blocky structure; hard, friable; 0.5 medium roots and 2.5 fine roots; 0.5 medium continuous tubular and 2.5 fine continuous tubular pores; 15 percent faint , moist, clay bridges on all faces of peds; 1 percent fine spherical iron-manganese concretions and 1 percent medium spherical plinthite nodules; 2 percent by volume 2-39-75 millimeter mixed fragments and 5 percent by volume 2-39-75 millimeter ironstone nodules fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 87P00505. few fine iron-manganese concretions concentrations; few medium plinthite segregations concentrations; few clay bridging surface features on vertical and horizontal faces of peds; common fine roots; few medium roots; common medium prominent 2.5YR48 mottles; discontinuous - phpvsfiid 221383; discontinuous - phpvsfiid 221383
    1Btv—98 to 132 centimeters (38.6 to 52.0 inches); yellowish brown (10YR 5/6) interior clay loam; 30 percent red (2.5YR 4/6) coarse prominent mottles; moderate medium prismatic, and moderate medium subangular blocky structure; hard, firm; 0.5 medium roots and 2.5 fine roots; 2.5 medium continuous tubular and 2.5 fine continuous tubular pores; 37 percent distinct , moist, clay bridges on all faces of peds; 1 percent fine spherical iron-manganese concretions and 11 percent medium spherical plinthite nodules; 2 percent by volume 2-39-75 millimeter mixed fragments and 3 percent by volume 2-39-75 millimeter ironstone nodules fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 87P00506. Few thin clean sand grain on ped faces.; common medium plinthite segregations concentrations; few fine iron-manganese concretions concentrations; common clay bridging surface features on vertical and horizontal faces of peds; common fine roots; few medium roots; many coarse prominent 2.5YR46 mottles; continuous - phpvsfiid 221384; continuous - phpvsfiid 221384
    1Bt/E1—132 to 173 centimeters (52.0 to 68.1 inches); yellowish brown (10YR 5/6) interior clay loam; 11 percent red (2.5YR 4/8) coarse prominent mottles; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, firm; 2.5 fine roots; 0.5 medium continuous tubular and 2.5 fine continuous tubular pores; 37 percent distinct , moist, clay bridges on all faces of peds and 37 percent light gray (10YR 7/2), moist, skeletans; 1 percent fine spherical plinthite nodules and 1 percent fine spherical iron-manganese concretions; 3 percent by volume 2-39-75 millimeter ironstone nodules fragments; moderately acid, pH 6.0, hellige-truog; gradual irregular boundary. Lab sample # 87P00507. Thin disc. ironstone layer 2-3 cm thick on lower boundary. 7-10% E interfingers and lenses.; few fine plinthite segregations concentrations; few fine iron-manganese concretions concentrations; common clay bridging surface features on vertical and horizontal faces of peds; common skeletans (sand or silt) surface features; common fine roots; common coarse prominent 2.5YR48 mottles; continuous - phpvsfiid 221385; continuous - phpvsfiid 221385
    1Bt/E2—173 to 220 centimeters (68.1 to 86.6 inches); yellowish brown (10YR 5/6) interior clay loam; 11 percent yellowish brown (10YR 5/8) medium faint and 30 percent red (2.5YR 4/6) coarse prominent mottles; moderate coarse prismatic, and moderate medium subangular blocky structure; very hard, firm; 0.5 fine roots; 0.5 medium continuous tubular and 2.5 fine continuous tubular pores; 37 percent light gray (10YR 7/2), moist, skeletans and 55 percent distinct , moist, clay bridges on all faces of peds; 1 percent fine spherical iron-manganese concretions and 1 percent fine spherical plinthite nodules; 1 percent by volume 2-39-75 millimeter ironstone nodules fragments and 2 percent by volume 2-39-75 millimeter mixed fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 87P00508. 10% E interfingers and lenses.; few fine iron-manganese concretions concentrations; few fine plinthite segregations concentrations; common skeletans (sand or silt) surface features; many clay bridging surface features on vertical and horizontal faces of peds; few fine roots; common medium faint 10YR58 mottles; many coarse prominent 2.5YR46 mottles; continuous - phpvsfiid 221388; continuous - phpvsfiid 221388
    2Bt—220 to 270 centimeters (86.6 to 106.3 inches); 40 percent light brownish gray (10YR 6/2) interior and 35 percent yellowish brown (10YR 5/6) interior and 25 percent red (2.5YR 4/6) interior clay; moderate medium angular blocky structure; very hard, very firm; 0.5 fine roots; 0.5 medium discontinuous tubular pores; 37 percent distinct , moist, clay bridges on all faces of peds and 37 percent , moist, pressure faces; fragments; strongly acid, pH 5.5, hellige-truog. Lab sample # 87P00509. common clay bridging surface features on vertical and horizontal faces of peds; common pressure faces surface features; few fine roots; continuous - phpvsfiid 221389; continuous - phpvsfiid 221389