IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1998MO221187M
  • User Pedon ID: 1998MO221187
  • Transect:
  • Transect Stop Number - 10
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822160
  • Print Date: 11/21/2024

    • 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: 38.1043402
  • Std. Longitude: -90.9637815
  • Datum: WGS84
  • Location Description: Pea Ridge State Forest
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DM, JS, DS, GB
  • Current Taxonomic Class: Clayey-skeletal, mixed Typic Argiudolls
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Clayey-skeletal, mixed Typic Argiudolls
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 11/23/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 101.6 cm of Depth to bedrock


    • SITE

  • Parent Material: slope alluvium and/or residuum
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Bedrock: s moderate weathered dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/23/1998 (actual site observation date)
  • Air Photo ID: C1
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    argillic horizon

    lithic contact

    18—102

    18—

    102—0

    —-

    —-

    —-
    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

    21

    —

    —

    229

    —

    230

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1), black (10YR 2/1), dry; very gravelly clay; moderate fine and medium subangular blocky structure; firm; 6.0 fine and medium roots and 0.5 coarse roots; 6.0 fine and medium interstitial and tubular and 1.0 coarse interstitial and tubular pores; 55 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU061192
    Bt1—18 to 25 centimeters (7.1 to 9.8 inches); very dark grayish brown (10YR 3/2) very gravelly clay; moderate very fine angular blocky structure; firm; 0.5 fine to coarse roots; 0.5 fine interstitial and tubular pores; 60 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # MU061193. discontinuous - phpvsfiid 135273; discontinuous - phpvsfiid 135273
    Bt2—25 to 58 centimeters (9.8 to 22.8 inches); red (2.5YR 4/6) very gravelly clay; moderate very fine angular blocky structure; very firm; 0.5 coarse roots; 0.5 coarse interstitial and tubular pores; 4 percent distinct black (10YR 2/1), moist, organic stains on all faces of peds and 15 percent faint clay films on faces of peds; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # MU061194. patchy - phpvsfiid 135275; discontinuous - phpvsfiid 135274; patchy - phpvsfiid 135275; discontinuous - phpvsfiid 135274
    2Bt3—58 to 81 centimeters (22.8 to 31.9 inches); yellowish red (5YR 4/6) extremely gravelly clay; moderate very fine angular blocky structure; very firm; 0.5 fine roots; 0.5 fine interstitial and tubular pores; 15 percent faint clay films on faces of peds; 1 percent gray (5YR 5/1) iron concretions; 20 percent by volume 250-425-600 millimeter limestone, cherty fragments and 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # MU061195. patchy - phpvsfiid 135276; patchy - phpvsfiid 135276
    2Bt4—81 to 102 centimeters (31.9 to 40.2 inches); 60 percent weak red (2.5YR 4/2) and 40 percent red (2.5YR 4/8) extremely gravelly clay; moderate very fine angular blocky structure; very firm; 15 percent faint clay films on faces of peds; 1 percent gray (5YR 5/1) iron concretions; 20 percent by volume 250-425-600 millimeter limestone, cherty fragments and 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # MU061196. patchy - phpvsfiid 135277; patchy - phpvsfiid 135277
    R—102 centimeters (40.2 inches); bedrock; fragments.