IDENTIFIERS

Current Taxon Name (Soil Name): Scholten

OSD

Series Extent

User Site ID: 1991MO161018M

User Pedon ID: 1991MO161018

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M9116118

Print Date: 1/30/2025

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: 37.7269913

Std. Longitude: -91.8954327

Datum: WGS84

Map Unit: 73183—Scholten-Tonti complex, 3 to 15 percent slopes

State: Missouri

County: MO161—Phelps

MLRA: 116A—Ozark Highland

Non-MLRA Soil Survey Area: MO161—Phelps County, Missouri

PEDON

Describers Name: Butler, Rouse, and Bostic

Current Taxonomic Class: Loamy-skeletal, siliceous, mesic Typic Fragiudults

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from PDP 3.x

Correlated Information:

Soil Name - Scholten

PSC - 20 to 56 cm.

Classificaton Date - 3/7/2011

Soil Taxonomic Edition - ninth edition

Moisture Class - udic

Moisture Subclass - udic

Sampled As Information:

Soil Name - Scholten

Taxon Kind - series

Classificaton Date - 9/6/1991

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loess derived from mixed and/or slope alluvium derived from sandstone and/or residuum weathered from sandstone

Landscape: hills

Landform: hill

Geomorphic Component Hills: head slope

Hill Slope Profile: shoulder

Slope Shape Across: convex

Slope Shape Down: convex

Drainage Class: moderately well

Geology: Roubidoux formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/6/1991 (actual site observation date)

Air Photo ID: B8-B9

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

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
5	—	—	357	—	10	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; gravelly silt loam; weak very fine subangular blocky structure; very friable; 5.0 very fine and fine roots; 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # MU042884

BE—8 to 20 centimeters (3.1 to 7.9 inches); brown (10YR 5/3) very gravelly silt loam; weak very fine subangular blocky structure; friable; 3.0 very fine and fine roots; 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # MU042885

Bt1—20 to 30 centimeters (7.9 to 11.8 inches); brown (7.5YR 4/4) very gravelly silt loam; moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots; 35 percent distinct clay films on faces of peds and in pores; 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU042886

Bt2—30 to 56 centimeters (11.8 to 22.0 inches); brown (7.5YR 4/4) very gravelly silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine to medium roots; 35 percent distinct clay films on faces of peds and in pores; 5 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # MU042887

2Btx—56 to 74 centimeters (22.0 to 29.1 inches); pale brown (10YR 6/3) extremely gravelly silt loam; weak coarse prismatic parts to weak thin platy structure; firm; skeletans over cutans and 15 percent faint clay films on all faces of peds; 15 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 34 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; gradual wavy boundary. Lab sample # MU042888. 10YR 6/2 gray seams betweem coarse prizms. 60 percent brittle.

3Bt3—74 to 91 centimeters (29.1 to 35.8 inches); strong brown (7.5YR 4/6) and brown (7.5YR 4/4) gravelly clay; weak fine and medium prismatic structure; firm; 0.5 very fine roots; 35 percent prominent clay films on faces of peds and in pores; 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU042889

3Bt4—91 to 114 centimeters (35.8 to 44.9 inches); red (2.5YR 4/6) and strong brown (7.5YR 4/6) clay; 35 percent gray (10YR 5/1) fine and medium prominent mottles; weak medium and coarse prismatic structure; firm; 0.5 very fine roots; 60 percent prominent clay films on faces of peds and in pores; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU042890

3Bt5—114 to 137 centimeters (44.9 to 53.9 inches); dark red (2.5YR 3/6) and weak red (2.5YR 5/2) clay; 35 percent yellowish brown (10YR 5/8) medium prominent mottles; moderate medium prismatic structure; firm; 0.5 very fine roots; 60 percent distinct clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU042891. 10YR 4/2, 5/2, 5/4 lining remnant root channels along ped faces.

3Bt6—137 to 160 centimeters (53.9 to 63.0 inches); dark red (2.5YR 3/6) and weak red (2.5YR 5/2) clay; moderate medium prismatic structure; firm; 0.5 very fine roots; 60 percent distinct clay films on faces of peds and in pores; 4 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU042892. 10YR 5/2 and 5YR 4/6 lining remnant root channels along ped faces.