IDENTIFIERS
Current Taxon Name (Soil Name):
Marquand
OSD
Series Extent
User Site ID:
1990MO123009M
User Pedon ID:
1990MO123009M
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9012309
NCSS Pedon Lab Data NASIS Record ID -
31415
Print Date:
2/17/2025
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:
37.4228630
Std. Longitude:
-90.1760559
Datum:
WGS84
Township:
T32N
Range:
R8E
Section:
28
PLSS Details:
650 feet N and 1850 feet E of the SW corner
Location Description:
650 ft. N. and 1850 ft. E. of the SW corner of sec. 28, T. 32 N., R. 8 E. Spanish land grant
Map Unit:
20C—Marquand silt loam, 3 to 8 percent slopes73146—Marquand silt loam, 3 to 8 percent slopes
State:
Missouri
County:
MO123—Madison
MLRA:
116A—Ozark Highland
Non-MLRA Soil Survey Area:
MO123—Madison County, Missouri
7.5 Minute USGS Quad:
37090-D2—Marquand, Missouri
PEDON
Describers Name:
ERB, KEB AND MLC
Current Taxonomic Class:
Fine-silty, mixed, active, mesic Aquic Hapludults
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 -
Marquand
PSC -
18 to 68 cm.
Classificaton Date -
2/1/2012
Moisture Class -
udic
Sampled As Information:
Soil Name -
Marquand
Taxonomic Class -
Fine-silty, mixed, active, mesic Aquic Hapludults
Taxon Kind -
series
PSC -
18 to 68 cm.
Classificaton Date -
10/17/1990
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Field Measured Properties:
54 Cation exchange capacity to clay ratio
SITE
Parent Material:
loess over residuum
Landscape:
plateau
Landform:
stream terrace
Runoff:
medium
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/17/1990 (actual site observation date)
Air Photo ID:
D-6
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
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
0—18
18—124
—-
—-
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
3
—
—
192
—
90
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3), very pale brown (10YR 7/3), dry; silt loam; weak fine granular structure; friable; 10.0 fine and medium roots; fragments; slightly acid, pH 6.4, hellige-truog; abrupt wavy boundary. Lab sample # MU038656
Bt1—18 to 43 centimeters (7.1 to 16.9 inches); strong brown (7.5YR 5/6) silt loam; moderate fine subangular blocky structure; friable; 3.0 fine roots; 35 percent distinct clay films; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU038657
Bt2—43 to 61 centimeters (16.9 to 24.0 inches); yellowish brown (10YR 5/6) silty clay loam; 1 percent pale brown (10YR 6/3) fine distinct and 10 percent strong brown (7.5YR 5/6) medium distinct mottles; moderate very fine subangular blocky structure; firm; 3.0 fine roots; 35 percent prominent clay films; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU038658
Bt3—61 to 86 centimeters (24.0 to 33.9 inches); light brownish gray (10YR 6/2) and yellowish brown (10YR 5/6) and strong brown (7.5YR 5/6) silt loam; moderate medium subangular blocky structure; firm; 0.5 fine roots; on vertical faces of peds and 35 percent distinct clay films on faces of peds; 10 percent fine iron-manganese concretions; 1 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # MU038659. Sediments had transitional characteristicis and could be considered a separate parent material pehaps related to slope alluvium; texture borders sicl.
2E/B11—86 to 109 centimeters (33.9 to 42.9 inches); extremely gravelly silt loam; massive; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU038660
2E/B12—86 to 109 centimeters (33.9 to 42.9 inches); light yellowish brown (10YR 6/4) extremely gravelly silt loam; 1 percent yellowish brown (10YR 5/4) medium faint mottles; weak fine subangular blocky structure; firm; 4 percent faint clay films on faces of peds and 4 percent faint clay films on vertical faces of peds and 4 percent faint clay films on rock fragments and 75 percent manganese or iron-manganese stains; 10 percent coarse noncoherent cemented light brownish gray (10YR 6/2) iron depletions; 5 percent by volume 75-162-250 millimeter unspecified fragments and 60 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU038660
2Bt4—109 to 124 centimeters (42.9 to 48.8 inches); dark yellowish brown (10YR 4/6) extremely gravelly loam; 10 percent yellowish red (5YR 4/6) medium prominent and 10 percent yellowish brown (10YR 5/6) medium faint mottles; weak fine subangular blocky structure; firm; 4 percent distinct clay films on faces of peds and 4 percent distinct clay films on rock fragments; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU038661
3BC—124 to 152 centimeters (48.8 to 59.8 inches); yellowish red (5YR 4/6) very gravelly loam; 10 percent strong brown (7.5YR 5/6) fine prominent mottles; weak fine subangular blocky structure; firm; 35 percent distinct clay films on faces of peds; 1 percent fine and medium noncoherent cemented light brownish gray (10YR 6/2) iron depletions; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU038662. The separate parent material designation was primarily based on color.