IDENTIFIERS

  • Current Taxon Name (Soil Name): Malvern
  • OSD
  • Series Extent
  • User Site ID: 1987MO005007m
  • User Pedon ID: 1987MO005007m
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8700507
  • NCSS Pedon Lab Data NASIS Record ID - 36545
  • Print Date: 12/4/2024
  • 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: 40.5694427
  • Std. Longitude: -95.4883347
  • Datum: WGS84
  • Township: T66N
  • Range: R41
  • Section: 1
  • PLSS Details: 75 feet west and 75 feet south of the northeast corner
  • Location Description: 75 feet west and 75 feet south of the northeast corner of sec. 1, T. 66 N., R. 41 W
  • Map Unit: 10083—Malvern-Shelby complex, 9 to 14 percent slopes, severely eroded
  • State: Missouri
  • County: MO005—Atchison
  • MLRA: 107—Iowa and Missouri Deep Loess Hills
  • Non-MLRA Soil Survey Area: MO005—Atchison County, Missouri
  • PEDON

  • Describers Name: entered by BE
  • Current Taxonomic Class: Fine, montmorillonitic, active, mesic Aquic Argiudolls
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Malvern
  • PSC - 10 to 60 cm.
  • Classificaton Date - 4/13/2012
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Malvern
  • Classificaton Date - 3/1/1987
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); 80 percent dark brown (10YR 3/3) and 20 percent reddish brown (5YR 4/4), dark yellowish brown (10YR 4/4) and reddish brown (5YR 5/3), dry; silty clay loam; weak medium subangular blocky parts to weak fine granular structure; very friable; 3.0 very fine roots; fragments; neutral, pH 7.1, hellige-truog; clear wavy boundary. Lab sample # MU031260
    2Bt1—10 to 23 centimeters (3.9 to 9.1 inches); 90 percent reddish brown (5YR 4/4) and 10 percent dark brown (10YR 3/3) silty clay loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots; 10 percent distinct red (2.5YR 4/6) clay films on faces of peds; 1 percent prominent black (10YR 2/1) iron-manganese masses; fragments; neutral, pH 7.3, hellige-truog; clear wavy boundary. Lab sample # MU031261
    2Bt2—23 to 41 centimeters (9.1 to 16.1 inches); reddish brown (5YR 4/4) silty clay; moderate medium subangular blocky structure; firm; 0.5 very fine roots; 30 percent distinct red (2.5YR 4/6) clay films on faces of peds and 30 percent distinct yellowish red (5YR 4/6) pressure faces; 1 percent prominent black (10YR 2/1) iron-manganese masses and 10 percent fine distinct dark reddish gray (5YR 4/2) clay depletions; fragments; neutral, pH 7.1, hellige-truog; gradual smooth boundary. Lab sample # MU031262
    2Bt3—41 to 58 centimeters (16.1 to 22.8 inches); reddish brown (5YR 4/4) silty clay; weak medium prismatic parts to moderate fine and medium subangular blocky structure; firm; 3.0 very fine roots; 30 percent distinct yellowish red (5YR 4/6) pressure faces and 60 percent distinct red (2.5YR 4/6) clay films on faces of peds; 10 percent fine prominent brown (7.5YR 5/2) clay depletions and 10 percent prominent black (10YR 2/1) iron-manganese masses and 25 percent fine faint reddish brown (5YR 5/3) clay depletions; fragments; neutral, pH 7.2, hellige-truog; gradual wavy boundary. Lab sample # MU031263
    2Btg1—58 to 81 centimeters (22.8 to 31.9 inches); 70 percent grayish brown (10YR 5/2) and 30 percent reddish brown (5YR 4/4) silty clay loam; weak coarse prismatic parts to moderate fine and medium subangular blocky structure; very firm; 0.5 very fine roots; 30 percent distinct yellowish brown (10YR 5/6) pressure faces and 60 percent reddish brown (5YR 4/3) clay films on faces of peds; 10 percent prominent black (10YR 2/1) iron-manganese masses on faces of peds; fragments; neutral, pH 7.2, hellige-truog; gradual wavy boundary. Lab sample # MU031264
    2Btg2—81 to 94 centimeters (31.9 to 37.0 inches); grayish brown (10YR 5/2) and brown (7.5YR 5/4) silty clay loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; very firm; 0.5 very fine roots; 30 percent reddish brown (5YR 4/3) clay films on faces of peds and 30 percent prominent yellowish red (5YR 5/6) pressure faces; 10 percent prominent black (10YR 2/1) iron-manganese masses on faces of peds; fragments; slightly alkaline, pH 7.4, hellige-truog; gradual smooth boundary. Lab sample # MU031265
    2Btg3—94 to 114 centimeters (37.0 to 44.9 inches); grayish brown (10YR 5/2) and yellowish brown (10YR 5/4) silty clay loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; firm; 30 percent prominent yellowish red (5YR 5/6) clay films on faces of peds and 30 percent prominent yellowish brown (10YR 5/6) pressure faces; 10 percent prominent black (10YR 2/1) iron-manganese masses on faces of peds; fragments; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary. Lab sample # MU031266
    2Btg4—114 to 152 centimeters (44.9 to 59.8 inches); 60 percent grayish brown (10YR 5/2) and 40 percent yellowish brown (10YR 5/4) silty clay loam; weak medium prismatic parts to weak fine and medium subangular blocky structure; firm; 30 percent prominent brown (10YR 4/3) clay films on vertical faces of peds and 30 percent distinct yellowish brown (10YR 5/4) pressure faces; 1 percent medium distinct dark yellowish brown (10YR 4/4) masses of oxidized iron and 10 percent prominent black (10YR 2/1) iron-manganese masses; fragments; slightly alkaline, pH 7.7, hellige-truog. Lab sample # MU031267