IDENTIFIERS

  • Current Taxon Name (Soil Name): Mollville
  • OSD
  • Series Extent
  • User Site ID: S81TX225001
  • User Pedon ID: S81TX225001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S81TX225001
  • NCSS Pedon Lab Data NASIS Record ID - 45683
  • Print Date: 11/24/2024
  • 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: 31.5356941
  • Std. Longitude: -95.1677704
  • Datum: WGS84
  • Location Description: Davy Crockett National Forest, about 4.0 miles southeast of the community of Weches
  • Map Unit: MpA—Mollville-Besner complex, 0 to 1 percent slopes, frequently ponded
  • Country: US—United States
  • State: Texas
  • County: TX225—Houston
  • MLRA: 133B—Western Coastal Plain
  • Regional Office: 16obsolete—Little Rock, AR
  • Non-MLRA Soil Survey Area: TX225—Houston County, Texas
  • PEDON

  • Describers Name: Dolezel,Brockmann,Fuchs,Holt,Steptoe,Gray,Hallmark,Peters
  • Current Taxonomic Class: Fine-loamy, siliceous, active, thermic Typic Glossaqualfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Mollville
  • PSC - 13 to 63 cm.
  • Classificaton Date - 5/21/2012
  • Soil Taxonomic Edition - eleventh edition
  • Sampled As Information:
  • Soil Name - Mollville
  • Classificaton Date - 10/6/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: stream terrace
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/6/1981 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    albic materials

    argillic horizon

    interfingering of albic materials

    0—5

    5—13

    5—64

    13—178

    13—64

    —-

    —-

    —-

    —-

    —-

    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

    A—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2) loam; weak medium granular structure; slightly hard, friable; 8.0 fine and medium roots; fragments; very strongly acid, pH 4.8; clear wavy boundary. Lab sample # TAMU1112
    Eg—5 to 13 centimeters (2.0 to 5.1 inches); grayish brown (10YR 5/2) loam; weak medium platy structure; slightly hard, friable; 3.0 medium roots; 1 percent fine distinct reddish yellow (7.5YR 6/8), moist, masses of oxidized iron; fragments; very strongly acid, pH 4.8; clear wavy boundary. Lab sample # TAMU1113
    B/Etg1—13 to 28 centimeters (5.1 to 11.0 inches); yellowish brown (10YR 5/4) clay loam; weak coarse angular blocky parts to weak coarse prismatic structure; very hard, firm; 3.0 medium roots; 40 percent clay films on all faces of peds and 40 percent grayish brown (10YR 5/2), moist, coats on all faces of peds; 5 percent fine distinct grayish brown (10YR 5/2), moist, clay depletions with clear boundaries on faces of peds; fragments; neutral, pH 7.0; gradual wavy boundary. Lab sample # TAMU1114
    B/Etg2—28 to 48 centimeters (11.0 to 18.9 inches); brown (10YR 5/3) clay loam; weak coarse angular blocky parts to weak coarse prismatic structure; very hard, firm; 3.0 medium roots; dark grayish brown (10YR 4/2), moist, coats on all faces of peds and 40 percent clay films on all faces of peds; 5 percent fine distinct dark grayish brown (10YR 4/2), moist, clay depletions with clear boundaries on faces of peds; fragments; neutral, pH 7.0; gradual wavy boundary. Lab sample # TAMU1115
    B/Etg3—48 to 64 centimeters (18.9 to 25.2 inches); brown (10YR 5/3) clay loam; weak coarse angular blocky parts to weak coarse prismatic structure; very hard, firm; 3.0 medium roots; dark grayish brown (10YR 4/2), moist, coats on all faces of peds and 40 percent clay films on all faces of peds; 5 percent fine distinct dark grayish brown (10YR 4/2), moist, clay depletions with clear boundaries on faces of peds and 10 percent fine prominent (10YR 2/1), moist, iron-manganese concretions with sharp boundaries in matrix; fragments; neutral, pH 7.0; gradual wavy boundary. Lab sample # TAMU1116
    Btg1—64 to 107 centimeters (25.2 to 42.1 inches); grayish brown (10YR 5/2) clay loam; moderate coarse angular blocky parts to moderate coarse prismatic structure; very hard, firm; 0.9 medium roots; 40 percent clay films on all faces of peds; 10 percent medium prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron; 1 percent salt crystals; fragments; neutral, pH 7.1; gradual wavy boundary. Lab sample # TAMU1117
    Btg2—107 to 147 centimeters (42.1 to 57.9 inches); grayish brown (2.5Y 5/2) clay loam; moderate coarse angular blocky structure; very hard, firm; 0.9 medium roots; 40 percent clay films on all faces of peds; 1 percent medium faint light olive brown (2.5Y 5/4), moist, masses of oxidized iron with clear boundaries and 5 percent medium distinct iron-manganese concretions with sharp boundaries and 25 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries; fragments; neutral, pH 7.2; gradual wavy boundary. Lab sample # TAMU1118
    Btg3—147 to 178 centimeters (57.9 to 70.1 inches); light olive brown (2.5Y 5/4) clay loam; moderate coarse angular blocky structure; very hard, firm; 40 percent clay films on all faces of peds; 10 percent medium prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron; fragments; neutral, pH 7.3. Lab sample # TAMU1119