IDENTIFIERS
Current Taxon Name (Soil Name):
Orion
OSD
Series Extent
User Site ID:
1985IL121018
User Pedon ID:
1985IL121018
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
85IL121018
NCSS Pedon Lab Data NASIS Record ID -
21833
Print Date:
3/2/2025
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:
38.5544389
Std. Longitude:
-89.0398028
Datum:
WGS84
Township:
1N
Range:
1E
Section:
1
PLSS Details:
160 feet N & 455 feet E of the center
Location Description:
Centralia Township
State:
Illinois
County:
IL121—Marion
MLRA:
113—Central Claypan Areas
Non-MLRA Soil Survey Area:
IL121—Marion County, Illinois
7.5 Minute USGS Quad:
38089-E1—Centralia East, Illinois
PEDON
Describers Name:
TJE, CCM
Current Taxonomic Class:
Coarse-silty, mixed, superactive, nonacid, mesic Aquic Udifluvents
Current Taxon Kind:
series
Pedon Record Orgin:
PedonPC
Pedon #:
18
Correlated Information:
Soil Name -
Orion
PSC -
25 to 100 cm.
Classificaton Date -
1/4/2010
Moisture Class -
udic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Orion
Classificaton Date -
5/1/1985
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
alluvium
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
5/1/1985 (actual site observation date)
Air Photo ID:
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 -
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
—
—
151
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; silt loam; weak fine granular structure; friable; 0.6 very fine roots; 10 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # IL31758
C1—18 to 48 centimeters (7.1 to 18.9 inches); grayish brown (10YR 5/2) silt loam, gravel; 10 percent gray (10YR 5/1) fine faint mottles; weak medium platy, and weak medium granular structure; friable; 0.6 very fine roots; 25 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 10 percent fine iron-manganese concretions; fragments; neutral, pH 6.8; gradual smooth boundary. Lab sample # IL31759
C2—48 to 61 centimeters (18.9 to 24.0 inches); brown (10YR 4/3) silt loam, gravel; 10 percent grayish brown (10YR 5/2) fine faint and 10 percent yellowish brown (10YR 5/4) fine faint mottles; weak medium subangular blocky structure; friable; 0.6 very fine roots; 25 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 10 percent fine iron-manganese concretions; fragments; neutral, pH 6.6; abrupt wavy boundary. Lab sample # IL31760
Ab1—61 to 89 centimeters (24.0 to 35.0 inches); very dark gray (10YR 3/1) silt loam, gravel; 1 percent yellowish brown (10YR 5/4) fine distinct and 25 percent grayish brown (10YR 5/2) fine distinct mottles; weak medium prismatic, and weak fine subangular blocky structure; friable; 0.6 very fine roots; 1 percent medium iron-manganese concretions and 10 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.4; clear smooth boundary. Lab sample # IL31761
Ab2—89 to 107 centimeters (35.0 to 42.1 inches); variegated very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2) silty clay loam, gravel; 1 percent yellowish brown (10YR 5/4) fine distinct and 10 percent grayish brown (10YR 5/2) fine distinct mottles; moderate medium prismatic structure; friable; 0.6 very fine roots; 1 percent medium iron-manganese concretions and 10 percent fine iron-manganese concretions; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL31762
AC—107 to 152 centimeters (42.1 to 59.8 inches); variegated grayish brown (10YR 5/2) and very dark gray (10YR 3/1) silt loam, gravel; 10 percent yellowish brown (10YR 5/6) fine distinct mottles; weak medium prismatic structure; firm; 0.6 very fine roots; 1 percent medium iron-manganese concretions and 10 percent fine iron-manganese concretions; fragments; neutral, pH 6.8. Lab sample # IL31763