IDENTIFIERS

  • Current Taxon Name (Soil Name): Arkana
  • OSD
  • Series Extent
  • User Site ID: 1978AR005002M
  • User Pedon ID: S1978AR005002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0058
  • Print Date: 4/20/2026

    • 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: 36.4001667
  • Std. Longitude: -92.3183944
  • Datum: WGS84
  • Township: T20N
  • Range: R13W
  • Section: 13
  • PLSS Details: NW 1/4 of the SE 1/4 of the SE 1/4
  • Location Description: NW 1/4 of the SE 1/4 of the SE 1/4 of Sec. 13, T20N., R13W.
  • Map Unit: 2—Arkana-Moko complex, 3 to 8 percent slopes, very rocky
  • State: Arkansas
  • County: AR005—Baxter
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: AR005—Baxter County, Arkansas
  • 7.5 Minute USGS Quad: 36092-D3—Clarkridge, Arkansas

    • PEDON

  • Describers Name: L. A. Quandt, L. B. Ward
  • Current Taxonomic Class: Very-fine, mixed, mesic Mollic Hapludalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Arkana
  • Taxonomic Class - Very-fine, mixed, mesic Mollic Hapludalfs
  • Classificaton Date - 11/25/2008
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: gravelly slope alluvium derived from cherty limestone over clayey residuum weathered from dolomite
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/25/2008 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    8

    —

    —

    210.1

    —

    90

    1143

    —

    —

    14.4

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A11—3 to 11 centimeters (1.2 to 4.3 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine granular structure; friable; 21.0 medium roots and 21.0 fine roots; 45 percent by volume 2-?-76 millimeter chert fragments; clear wavy boundary.
    A12—11 to 21 centimeters (4.3 to 8.3 inches); dark brown (10YR 3/3) silt loam; moderate medium granular structure; friable; 21.0 medium roots and 21.0 fine roots; 45 percent by volume 2-?-76 millimeter chert fragments; abrupt wavy boundary. Lab sample # 85P00302
    AB—21 to 31 centimeters (8.3 to 12.2 inches); brown (10YR 4/3) silt loam; moderate medium granular structure; friable; 21.0 medium roots and 21.0 fine roots; 55 percent by volume 2-?-76 millimeter chert fragments; clear wavy boundary.
    2Bt1—31 to 39 centimeters (12.2 to 15.4 inches); 5YR 4/8 (5YR 4/8) clay loam; moderate medium subangular blocky structure; firm; 3.0 fine roots; 3.0 fine pores; 75 percent clay films on all faces of peds; 50 percent by volume 2-?-76 millimeter chert fragments; clear wavy boundary. patchy - phpvsfiid 434802; patchy - phpvsfiid 434802
    2Bt2—39 to 56 centimeters (15.4 to 22.0 inches); yellowish red (5YR 5/6) clay; moderate medium subangular blocky structure; firm; 0.5 fine roots; 0.5 fine pores; clay films on all faces of peds; 30 percent by volume 2-?-76 millimeter chert fragments; clear wavy boundary. Lab sample # 85P00303. continuous - phpvsfiid 434803; continuous - phpvsfiid 434803
    2Bt3—56 to 72 centimeters (22.0 to 28.3 inches); dark yellowish brown (10YR 4/4) clay; moderate coarse blocky, and moderate medium blocky structure; very firm; 0.5 fine roots; 0.5 fine pores; clay films on all faces of peds; 10 percent by volume 2-?-76 millimeter chert fragments. Lab sample # 85P00304. continuous - phpvsfiid 434804; continuous - phpvsfiid 434804