IDENTIFIERS

  • Current Taxon Name (Soil Name): Alto
  • OSD
  • Series Extent
  • User Site ID: S1988TX225003
  • User Pedon ID: 88TX225003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 88P0101
  • NCSS Pedon Lab Data NASIS Record ID - 60224
  • Print Date: 12/11/2024

    • 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: 31.5280552
  • Std. Longitude: -95.3455582
  • Datum: WGS84
  • Location Description: Houston County, S of Percilla at intersection of farm Rd 2022 & 227; 2.5 mi E on FR 226 & 700 feet Se on private Rd.
  • State: Texas
  • County: TX225—Houston
  • MLRA: 133B—Western Coastal Plain

    • PEDON

  • Describers Name: Lane, Golden, Guillory, Roberts, Dolzell & others
  • Current Taxonomic Class: Fine-loamy, kaolinitic, thermic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Alto
  • PSC - 14 to 64 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Alto
  • Taxonomic Class - Fine-loamy, siliceous, thermic Typic Hapludalf
  • Taxon Kind - series
  • Classificaton Date - 10/1/1988
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1988 (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—14

    14—160

    —-

    —-
    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

    —

    —

    111

    —

    90

    107

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1Ap—0 to 14 centimeters (0.0 to 5.5 inches); brown (10YR 4/3) interior loam; weak very coarse prismatic, and weak very fine subangular blocky structure; very friable; 0.5 medium roots and 5.5 fine roots; 0.5 very fine tubular pores; 5 percent by volume 2-39-75 millimeter mixed fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 88P00569. many fine roots; few medium roots
    1Bt—14 to 33 centimeters (5.5 to 13.0 inches); strong brown (7.5YR 4/6) interior sandy clay loam; 11 percent brownish yellow (10YR 6/8) fine distinct mottles; weak very coarse prismatic, and moderate very fine subangular blocky structure; friable; 2.5 medium roots throughout and 5.5 fine roots; 0.5 medium tubular and 2.5 fine tubular pores; 15 percent faint , moist, skeletans over cutans on all faces of peds; 11 percent medium spherical iron-manganese concretions; 14 percent by volume 2-39-75 millimeter ironstone nodules fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 88P00570. common medium iron-manganese concretions concentrations; few skeletans over cutans surface features on vertical and horizontal faces of peds; many fine roots; common medium roots throughout; common fine distinct 10YR68 mottles; patchy - phpvsfiid 222674; patchy - phpvsfiid 222674
    1Btc1—33 to 56 centimeters (13.0 to 22.0 inches); yellowish brown (10YR 5/6) interior gravelly clay loam; 1 percent dark red (2.5YR 3/6) medium prominent and 30 percent brownish yellow (10YR 6/8) medium faint mottles; weak very coarse prismatic, and moderate very fine subangular blocky structure; friable; 2.5 medium roots throughout and 5.5 fine roots; 0.5 medium tubular and 2.5 fine tubular pores; 15 percent faint yellowish brown (10YR 5/6), moist, clay films on all faces of peds; 11 percent medium spherical iron-manganese concretions; 20 percent by volume 2-39-75 millimeter ironstone nodules fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # 88P00571. common medium iron-manganese concretions concentrations; few clay films surface features on vertical and horizontal faces of peds; many fine roots; common medium roots throughout; many medium faint 10YR68 mottles; few medium prominent 2.5YR36 mottles; discontinuous - phpvsfiid 222675; discontinuous - phpvsfiid 222675
    1Btc2—56 to 74 centimeters (22.0 to 29.1 inches); yellowish brown (10YR 5/4) interior very gravelly clay loam; 30 percent dark red (2.5YR 3/6) medium prominent and 30 percent brownish yellow (10YR 6/8) medium faint mottles; weak very coarse prismatic, and strong very fine subangular blocky structure; friable; 0.5 medium roots throughout and 2.5 fine roots; 0.5 fine and medium tubular pores; 37 percent faint yellowish brown (10YR 5/4), moist, clay films on all faces of peds; 1 percent medium spherical iron-manganese concretions; 40 percent by volume 2-39-75 millimeter ironstone nodules fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # 88P00572. Approximately 3% by volume siliceous pebbles.; few medium iron-manganese concretions concentrations; common clay films surface features on vertical and horizontal faces of peds; common fine roots; few medium roots throughout; many medium prominent 2.5YR36 mottles; many medium faint 10YR68 mottles; discontinuous - phpvsfiid 222676; discontinuous - phpvsfiid 222676
    1Btc3—74 to 95 centimeters (29.1 to 37.4 inches); yellowish brown (10YR 5/4) interior very gravelly clay; 30 percent brownish yellow (10YR 6/8) medium faint and 30 percent dark red (2.5YR 3/6) fine prominent mottles; weak very coarse prismatic, and strong very fine subangular blocky structure; firm; 0.5 fine and medium roots throughout; 0.5 fine tubular pores; 55 percent faint yellowish brown (10YR 5/4), moist, clay films on all faces of peds; 1 percent medium spherical iron-manganese concretions; 50 percent by volume 2-39-75 millimeter ironstone nodules fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # 88P00573. Approximately 3% by volume siliceous pebbles.; few medium iron-manganese concretions concentrations; many clay films surface features on vertical and horizontal faces of peds; few fine and medium roots throughout; many medium faint 10YR68 mottles; many fine prominent 2.5YR36 mottles; continuous - phpvsfiid 222677; continuous - phpvsfiid 222677
    1Btc4—95 to 117 centimeters (37.4 to 46.1 inches); yellowish brown (10YR 5/4) interior very gravelly clay; 30 percent dark red (2.5YR 3/6) medium prominent and 30 percent brownish yellow (10YR 6/8) medium faint mottles; weak very coarse prismatic, and weak very fine subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 55 percent faint yellowish brown (10YR 5/4), moist, clay films on all faces of peds; 11 percent medium spherical iron-manganese concretions; 60 percent by volume 2-39-75 millimeter ironstone nodules fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # 88P00574. Approximately 3% by volume siliceous pebbles.; common medium iron-manganese concretions concentrations; many clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; many medium prominent 2.5YR36 mottles; many medium faint 10YR68 mottles; continuous - phpvsfiid 222678; continuous - phpvsfiid 222678
    1Btc5—117 to 136 centimeters (46.1 to 53.5 inches); 80 percent yellowish brown (10YR 5/4) interior and 20 percent brownish yellow (10YR 6/8) interior very gravelly clay; 11 percent red (2.5YR 4/6) medium prominent mottles; moderate very fine subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct , moist, black stains on all faces of peds and 55 percent faint yellowish brown (10YR 5/4), moist, clay films on all faces of peds; 50 percent by volume 2-39-75 millimeter ironstone nodules fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 88P00575. 3% by volume siliceous pebbles.; many clay films surface features on vertical and horizontal faces of peds; few black stains surface features on vertical and horizontal faces of peds; few fine roots throughout; common medium prominent 2.5YR46 mottles; discontinuous - phpvsfiid 222680; continuous - phpvsfiid 222679; discontinuous - phpvsfiid 222680; continuous - phpvsfiid 222679
    1C/Bt—136 to 160 centimeters (53.5 to 63.0 inches); yellowish brown (10YR 5/8) interior; 11 percent red (2.5YR 4/8) medium prominent mottles; moderate very fine subangular blocky, and structureless massive; firm; 2.5 fine roots in cracks; 37 percent faint dark yellowish brown (10YR 4/6), moist, clay films on vertical faces of peds and 55 percent distinct , moist, black stains on all faces of peds; 25 percent by volume 2-39-75 millimeter ironstone nodules fragments and 25 percent by volume 75-162-250 millimeter ironstone nodules fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 88P00576. Bt material is mainly clay texture. Discontinuous layer of glauconitic ironstone with about 50% Bt material.; many black stains surface features on vertical and horizontal faces of peds; common clay films surface features on vertical faces of peds; common fine roots in cracks; common medium prominent 2.5YR48 mottles; discontinuous - phpvsfiid 222681; discontinuous - phpvsfiid 232409; discontinuous - phpvsfiid 222681; discontinuous - phpvsfiid 232409
    1C1—160 to 190 centimeters (63.0 to 74.8 inches); 60 percent strong brown (7.5YR 4/6) interior and 30 percent yellowish brown (10YR 5/8) interior and 10 percent light olive brown (2.5Y 5/4) interior; massive; firm; 0.5 fine roots around fragments; 37 percent distinct , moist, black stains on all faces of peds; 10 percent by volume 2-39-75 millimeter ironstone nodules fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 88P00577. 7-8% by volume pseudo morphic fossils. Few fine discontinuous lenses of secondary CaCO3. Stratified weathered glauconitic material mainly clay texture.; common black stains surface features on vertical and horizontal faces of peds; few fine roots matted around stones; effervescence is discontinuous; patchy - phpvsfiid 232410; patchy - phpvsfiid 232410
    1C2—190 to 224 centimeters (74.8 to 88.2 inches); 30 percent yellowish brown (10YR 5/8) interior and 20 percent light yellowish brown (2.5Y 6/4) interior and 50 percent dark yellowish brown (10YR 4/6) interior; massive; very firm; 0.5 fine roots around fragments; 37 percent distinct , moist, black stains on all faces of peds; fragments; slight effervescence, by hcl, unspecified; neutral, pH 7.0, hellige-truog. Lab sample # 88P00578. 8-10% by volume pseudo morphic fossils and shells. Stratified weathered glauconitic material mainly clay texture.; common black stains surface features on vertical and horizontal faces of peds; few fine roots matted around stones; effervescence is discontinuous; discontinuous - phpvsfiid 232411; discontinuous - phpvsfiid 232411