IDENTIFIERS

  • Current Taxon Name (Soil Name): Oktibbeha
  • OSD
  • Series Extent
  • User Site ID: S1991MS103003
  • User Pedon ID: 91MS103003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P1060
  • NCSS Pedon Lab Data NASIS Record ID - 64097
  • Print Date: 11/23/2024

    • 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: 33.2483330
  • Std. Longitude: -88.6655579
  • Datum: WGS84
  • Township: 16N
  • Range: 16E
  • Section: 16
  • PLSS Details: 1810 feet W and 630 feet S of NE corner
  • Location Description: Noxubee County, MS. About 9 mi NNW of Macon. Lynn Creek 7.5 feet Quad. UTM zone 16, 3679864 mN, 344864 mE.
  • State: Mississippi
  • County: MS103—Noxubee
  • MLRA: 135A—Alabama and Mississippi Blackland Prairie
  • Regional Office: 7—Auburn, AL

    • PEDON

  • Describers Name: Alan Peer, Jerry Huddleston, Robert Wimbish, Paul
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Oktibbeha
  • Taxonomic Class - Fine, montmorillonitic Aquentic Chromuderts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/1/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: summit
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    cambic horizon

    0—15

    15—56

    56—145

    —-

    —-

    —-
    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

    5

    —

    —

    93

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); reddish brown (2.5YR 4/3) silty clay loam; 38 percent clay; strong medium angular blocky, and strong medium subangular blocky structure; extremely firm*, very sticky, very plastic; 5.5 fine and medium roots between peds; 5.5 fine and medium discontinuous tubular pores; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 91P06910. many fine and medium roots between peds
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 35 percent red (2.5YR 4/6) and 65 percent brown (10YR 4/3) silt loam; 11 percent brown (10YR 5/3) medium faint mottles; weak fine granular structure; friable, slightly sticky, slightly plastic; 5.5 fine and medium roots throughout; 2.5 very fine and fine discontinuous tubular pores; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 91P06918. satellite samples; 35% Bt material (2.5YR 4/6); many fine and medium roots throughout; common medium faint 10YR53 mottles
    Bt—15 to 36 centimeters (5.9 to 14.2 inches); red (2.5YR 4/6) clay; 58 percent clay; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; weak coarse prismatic, and moderate medium angular blocky, and moderate medium subangular blocky structure; extremely firm*, very sticky, very plastic; 2.5 very fine and fine roots between peds; 2.5 fine and medium discontinuous tubular pores; distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds and in pores; fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # 91P06911. common very fine and fine roots between peds; few fine distinct 10YR56 mottles; continuous - phpvsfiid 227618; continuous - phpvsfiid 227618
    Bt1—15 to 41 centimeters (5.9 to 16.1 inches); red (2.5YR 4/6) clay; weak coarse prismatic, and moderate medium angular blocky, and moderate medium subangular blocky structure; extremely firm*, very sticky, very plastic; 2.5 fine and medium roots between peds; 0.5 very fine and fine discontinuous tubular pores; distinct red (2.5YR 4/6), moist, clay films on faces of peds and in pores; fragments; strongly acid, pH 5.5, hellige-truog. Lab sample # 91P06919. satellite samples; common fine and medium roots between peds; continuous - phpvsfiid 227627; continuous - phpvsfiid 227627
    Btss—36 to 56 centimeters (14.2 to 22.0 inches); red (2.5YR 4/6) clay; 54 percent clay; 11 percent yellowish brown (10YR 5/6) medium distinct mottles; weak coarse prismatic, and strong medium angular blocky structure; very firm, very sticky, very plastic; 0.5 very fine and fine roots between peds; 2.5 very fine and fine discontinuous tubular pores; distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds and in pores and distinct dark brown (7.5YR 3/4), moist, organic stains on faces of peds; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 91P06912. thin, striated, and polished slickensides; few very fine and fine roots between peds; common medium distinct 10YR56 mottles; continuous - phpvsfiid 227619; patchy - phpvsfiid 227620; continuous - phpvsfiid 227619; patchy - phpvsfiid 227620
    Bss1—56 to 76 centimeters (22.0 to 29.9 inches); light olive brown (2.5Y 5/4) clay; 55 percent clay; 11 percent yellowish brown (10YR 5/6) medium distinct and 30 percent red (2.5YR 4/6) medium distinct mottles; moderate medium angular blocky structure; very firm, very sticky, very plastic; 0.5 very fine and fine roots between peds; 0.5 very fine and fine discontinuous tubular pores; distinct light olive brown (2.5Y 5/4), moist, clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 91P06913. thin, striated, grooved, and polished slickensides; few very fine and fine roots between peds; common medium distinct 10YR56 mottles; many medium distinct 2.5YR46 mottles; continuous - phpvsfiid 227621; continuous - phpvsfiid 227621
    Bss2—76 to 84 centimeters (29.9 to 33.1 inches); yellowish brown (10YR 5/4) silty clay; 40 percent clay; 11 percent yellowish red (5YR 5/6) medium distinct and 11 percent yellowish brown (10YR 5/6) medium faint mottles; moderate medium angular blocky structure; very firm, very sticky, very plastic; 0.5 very fine and fine roots between peds; 0.5 very fine and fine discontinuous tubular pores; distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds and faint very dark gray (10YR 3/1), moist, organic stains on faces of peds; 11 percent fine and medium irregular carbonate masses; fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 91P06914. thin, striated, and grooved polished slickensides; common fine and medium soft masses of carbonate concentrations; few very fine and fine roots between peds; common medium distinct 5YR56 mottles; common medium faint 10YR56 mottles; discontinuous - phpvsfiid 227622; discontinuous - phpvsfiid 227623; discontinuous - phpvsfiid 227622; discontinuous - phpvsfiid 227623
    2Bk—84 to 145 centimeters (33.1 to 57.1 inches); light yellowish brown (2.5Y 6/3) silty clay; 1 percent brownish yellow (10YR 6/8) medium distinct and 1 percent strong brown (7.5YR 5/8) medium distinct mottles; weak fine platy, and weak fine subangular blocky structure; very firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots in cracks; 0.5 fine discontinuous tubular pores; distinct light brownish gray (2.5Y 6/2), moist, clay films on faces of peds and in pores and distinct very dark brown (10YR 2/2), moist, black stains on faces of peds and in pores; 11 percent fine and medium irregular iron-manganese masses; 30 percent fine and medium irregular carbonate masses; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 91P06915. marly clay - has been called chalk in most descriptions in past, in some cases the more weathered upper part has been called marly clay; many fine and medium soft masses of carbonate concentrations; common fine and medium soft masses of iron-manganese concentrations; few very fine and fine roots in cracks; few medium distinct 10YR68 mottles; few medium distinct 7.5YR58 mottles; patchy - phpvsfiid 227625; discontinuous - phpvsfiid 227624; patchy - phpvsfiid 227625; discontinuous - phpvsfiid 227624
    2BC—145 to 175 centimeters (57.1 to 68.9 inches); light olive gray (5Y 6/2) silty clay; 1 percent gray (10YR 5/1) medium distinct and 11 percent brownish yellow (10YR 6/8) medium distinct and 11 percent light gray (10YR 7/2) medium distinct mottles; massive; very firm, moderately sticky, moderately plastic; 2.5 fine discontinuous tubular pores; distinct yellowish brown (10YR 5/8), moist, clay films on faces of peds and in pores; 11 percent fine irregular iron-manganese masses; 11 percent fine and medium irregular carbonate concretions; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 91P06916. marly clay - highly fractured soft chalk; common fine soft masses of iron-manganese concentrations; common fine and medium carbonate concretions concentrations; few medium distinct 10YR51 mottles; common medium distinct 10YR68 mottles; common medium distinct 10YR72 mottles; discontinuous - phpvsfiid 227626; discontinuous - phpvsfiid 227626
    2Cr—175 to 224 centimeters (68.9 to 88.2 inches); light olive gray (5Y 6/2) silty clay; 1 percent strong brown (7.5YR 4/6) medium distinct and 11 percent gray (5Y 5/1) medium distinct mottles; massive; very firm, moderately sticky, moderately plastic; 11 percent fine spherical iron-manganese concretions; fragments; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 91P06917. chalk - highly fractured both horizontal and vertical structured units 3-6" across fibrous manganese deposits along some fracture planes - mainly vertical - soft chalk - can be cut easily with spade; less than 1% glauconitic material (coarse; common fine iron-manganese concretions concentrations; few medium distinct 7.5YR46 mottles; common medium distinct 5Y51 mottles