IDENTIFIERS

  • Current Taxon Name (Soil Name): Topazmill
  • OSD
  • Series Extent
  • User Site ID: 1999MO067169M
  • User Pedon ID: 1999MO067169
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9906715
  • Print Date: 4/28/2025

    • 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: 36.8845528
  • Std. Longitude: -92.1844028
  • Datum: WGS84
  • Township: T26N
  • Range: R11W
  • Section: 31
  • PLSS Details: 300 feet W and 450 feet N of the SE corner
  • Location Description: 300 feet west and 450 feet north of the SE corner of Section 31, T26N, R11W.
  • Map Unit: 73327—Topazmill-Coulstone complex, 15 to 35 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: KB, BF, GS, PK and BS.
  • Current Taxonomic Class: Coarse-loamy, siliceous Typic Paleudults
  • Current Taxon Kind: variant
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Topazmill
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Lecoma
  • Taxon Kind - variant
  • Classificaton Date - 6/2/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium
  • Landscape: plateau
  • Landform: interfluve
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/2/1999 (actual site observation date)
  • Air Photo ID: 2251-145
  • 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

    ochric epipedon

    argillic horizon

    3—23

    23—178

    —-

    —-
    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

    17

    —

    —

    268

    —

    285

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # MU64270
    A—3 to 13 centimeters (1.2 to 5.1 inches); brown (10YR 4/3), light brownish gray (10YR 6/2), dry; sandy loam; moderate very fine granular structure; friable; 6.0 fine to coarse roots; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU062672
    E—13 to 23 centimeters (5.1 to 9.1 inches); brown (10YR 5/3) sandy loam; weak fine subangular blocky parts to moderate fine granular structure; friable; 6.0 fine to coarse roots; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU062673
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); 70 percent brown (7.5YR 5/4) and 30 percent brown (10YR 5/3) sandy loam; moderate very fine subangular blocky structure; friable; 3.0 fine and medium roots; clay films; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU062674
    Bt2—36 to 48 centimeters (14.2 to 18.9 inches); brown (7.5YR 5/4) gravelly sandy loam; moderate very fine subangular blocky structure; friable; 3.0 fine roots; clay films; 1 percent iron-manganese masses; 25 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU062675
    Bt3—48 to 79 centimeters (18.9 to 31.1 inches); 50 percent light yellowish brown (10YR 6/4) and 50 percent brown (7.5YR 5/4) very gravelly sandy loam; weak very fine subangular blocky structure; friable; 3.0 fine roots; clay films; 10 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU062676
    Bt4—79 to 117 centimeters (31.1 to 46.1 inches); 75 percent brown (7.5YR 5/4) and 15 percent light brown (7.5YR 6/3) and 10 percent strong brown (7.5YR 4/6) very cobbly sandy loam; weak very fine subangular blocky structure; friable; 3.0 fine roots; clay films; 25 percent by volume angular 2-39-75 millimeter limestone, cherty fragments and 30 percent by volume angular 75-162-250 millimeter sandstone, unspecified fragments; extremely acid, pH 4.3, hellige-truog; clear wavy boundary. Lab sample # MU062677
    2Bt5—117 to 150 centimeters (46.1 to 59.1 inches); 85 percent brown (7.5YR 5/4) and 15 percent light brown (7.5YR 6/3) extremely gravelly fine sandy loam; moderate very fine and fine subangular blocky structure; friable; 0.5 fine roots; clay films; 15 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU062678
    3Bt6—150 to 178 centimeters (59.1 to 70.1 inches); 55 percent red (2.5YR 4/6) and 35 percent yellowish red (5YR 5/6) and 10 percent reddish yellow (7.5YR 6/6) gravelly clay; moderate very fine and fine subangular blocky structure; firm; 0.5 fine roots; clay films; 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.3, hellige-truog. Lab sample # MU062679