IDENTIFIERS

  • Current Taxon Name (Soil Name): Compass
  • OSD
  • Series Extent
  • User Site ID: 88AL087002-pgm
  • User Pedon ID: 88AL087002-pgm
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S88AL-087-2
  • NCSS Pedon Lab Data NASIS Record ID - 24313
  • 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: 32.4716667
  • Std. Longitude: -85.7525000
  • Datum: WGS84
  • Township: 17 N
  • Range: 23 E
  • Section: 8
  • PLSS Details: SW1/4
  • Location Description: About 1.25 miles north of the St. Johns Church; 2,600 feet north and 2,100 feet east of the southwest corner of sec. 8, T. 17 N., R. 23 E.; Macon County, AL; USGS LaPlace, AL topographic quadrangle.
  • State: Alabama
  • County: AL087—Macon
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: AL087—Macon County, Alabama

    • PEDON

  • Current Taxonomic Class: Coarse-loamy, siliceous, subactive Plinthic paleudults
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Compass
  • PSC - 28 to 78 cm.
  • Classificaton Date - 3/5/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Compass
  • Classificaton Date - 7/19/1988
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, loamy fluviomarine deposits derived from sedimentary, unspecified
  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/19/1988 (actual site observation date)
  • Air Photo ID:
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    argillic horizon

    plinthite

    28—135

    79—135

    —-

    —-
    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

    1

    —

    —

    93

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) ; 84 percent sand; 12 percent silt; 4 percent clay; single grain; loose; 6.0 very fine roots and 6.0 fine roots; 5 percent by volume quartz fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # 8887-2-1
    Ap2—18 to 28 centimeters (7.1 to 11.0 inches); variegated 60 percent brown (10YR 4/3) and 40 percent brown (10YR 5/3) ; 81 percent sand; 13 percent silt; 6 percent clay; weak coarse subangular blocky structure; very friable; 6.0 very fine roots and 6.0 fine roots; 5 percent by volume quartz fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # 8887-2-2
    Bt1—28 to 58 centimeters (11.0 to 22.8 inches); yellowish brown (10YR 5/6) ; 73 percent sand; 17 percent silt; 11 percent clay; weak coarse subangular blocky structure; friable; 4.0 medium roots and 4.0 fine roots; faint clay films on all faces of peds; 5 percent by volume quartz fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # 8887-2-3. patchy - phpvsfiid 414349; patchy - phpvsfiid 414349
    Bt2—58 to 79 centimeters (22.8 to 31.1 inches); yellowish brown (10YR 5/6) ; 74 percent sand; 13 percent silt; 13 percent clay; weak coarse subangular blocky structure; friable; 4.0 medium roots and 4.0 fine roots; faint clay films on all faces of peds; 1 percent medium distinct very weakly coherent cemented dark yellowish brown (10YR 4/6) masses of oxidized iron; 5 percent by volume quartz fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # 8887-2-4. patchy - phpvsfiid 414350; patchy - phpvsfiid 414350
    Btv1—79 to 102 centimeters (31.1 to 40.2 inches); yellowish brown (10YR 5/6) ; 75 percent sand; 11 percent silt; 14 percent clay; weak coarse prismatic, and moderate medium subangular blocky structure; friable; 3.0 medium roots and 3.0 fine roots; faint clay films on all faces of peds; 5 percent coarse distinct dark yellowish brown (10YR 4/4) masses of oxidized iron and 10 percent medium prominent yellowish red (5YR 4/6) masses of oxidized iron; ; 2 percent by volume plinthite nodules fragments and 5 percent by volume quartz fragments; very strongly acid, pH 4.8; clear smooth boundary. Lab sample # 8887-2-5. patchy - phpvsfiid 414351; patchy - phpvsfiid 414351
    Btv2—102 to 122 centimeters (40.2 to 48.0 inches); dark yellowish brown (10YR 4/4) ; 74 percent sand; 11 percent silt; 15 percent clay; weak coarse prismatic, and moderate medium subangular blocky structure; friable; 0.5 very fine roots and 0.5 fine roots; faint clay films on all faces of peds; 2 percent medium prominent yellowish red (5YR 4/6) masses of oxidized iron and 10 percent medium distinct light reddish brown (2.5YR 6/4) iron depletions on vertical faces of peds; 5 percent by volume quartz fragments and 10 percent by volume plinthite nodules fragments; very strongly acid, pH 4.9; clear smooth boundary. Lab sample # 8887-2-6. patchy - phpvsfiid 414352; patchy - phpvsfiid 414352
    Btv3—122 to 135 centimeters (48.0 to 53.1 inches); variegated strong brown (7.5YR 4/6) ; 72 percent sand; 11 percent silt; 17 percent clay; weak coarse prismatic, and moderate medium subangular blocky structure; friable; 0.5 very fine roots and 0.5 fine roots; faint clay films on all faces of peds; 10 percent coarse distinct light reddish brown (2.5YR 6/4) clay depletions and 10 percent medium distinct grayish brown (10YR 5/2) iron depletions; 5 percent by volume quartz fragments and 15 percent by volume plinthite nodules fragments; very strongly acid, pH 4.9; abrupt smooth boundary. Lab sample # 8887-2-7. patchy - phpvsfiid 414353; patchy - phpvsfiid 414353
    BC—135 to 165 centimeters (53.1 to 65.0 inches); 40 percent yellowish red (5YR 4/6) and 30 percent strong brown (7.5YR 5/6) and 15 percent yellowish brown (10YR 5/6) and 15 percent light brownish gray (10YR 6/2) ; 72 percent sand; 10 percent silt; 19 percent clay; weak very coarse subangular blocky structure; friable; 1 percent by volume plinthite nodules fragments and 5 percent by volume quartz fragments; very strongly acid, pH 5.0. Lab sample # 8887-2-8