IDENTIFIERS
Current Taxon Name (Soil Name):
Darmstadt
OSD
Series Extent
User Site ID:
1978IL145001
User Pedon ID:
1978IL145001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
78IL145001
NCSS Pedon Lab Data NASIS Record ID -
21108
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:
38.0184117
Std. Longitude:
-89.5368208
Datum:
WGS84
Township:
6N
Range:
4W
Section:
10
Location Description:
Captain Mine
State:
Illinois
County:
IL145—Perry
MLRA:
114—Southern Illinois and Indiana Thin Loess and Till Plain
Non-MLRA Soil Survey Area:
IL145—Perry County, Illinois
7.5 Minute USGS Quad:
38089-A5—Percy, Illinois
PEDON
Describers Name:
JBF, RRS, IJJ, KM
Current Taxonomic Class:
Fine-silty, mixed, superactive, mesic Aquic Natrudalfs
Current Taxon Kind:
series
Pedon Type:
map unit inclusion
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
PedonPC
Pedon #:
1
Correlated Information:
Soil Name -
Darmstadt
PSC -
36 to 86 cm.
Classificaton Date -
1/4/2010
Moisture Class -
aquic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Cisne-Huey
Classificaton Date -
11/1/1978
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
Peoria loess over Roxana loess over Illinoian till with strongly developed paleosol
Landscape:
till plain
Landform:
interfluve
Runoff:
low
Drainage Class:
poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
11/1/1978 (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 -
Pedon Restrictions
Kind
Hardness
Restriction Depth L-H
Restriction Thickness L-RV-H
cm
natric
—
36 - 155
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
natric horizon
0—36
36—155
36—155
—-
—-
—-
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
2
—
—
142
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) and dark grayish brown (10YR 4/2) silt loam; 1 percent grayish brown (10YR 5/2) fine faint mottles; moderate medium granular structure; friable; 1 percent distinct very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL23386
A2—23 to 36 centimeters (9.1 to 14.2 inches); light brownish gray (10YR 6/2) and light gray (10YR 7/2) silt loam; 1 percent grayish brown (10YR 5/2) fine faint and 1 percent 2.5Y 4/6 (2.5Y 4/6) fine prominent and 10 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium platy parts to weak fine granular structure; friable; 25 percent prominent very dark grayish brown (10YR 3/2), moist, and black (10YR 2/1), moist, iron-manganese concretions in matrix; fragments; very strongly acid, pH 4.7; abrupt smooth boundary. Lab sample # IL23387
B21t—36 to 66 centimeters (14.2 to 26.0 inches); grayish brown (10YR 5/2) and light brownish gray (10YR 6/2) silty clay loam; 10 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium prismatic parts to moderate medium angular blocky structure; firm; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent distinct very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL23388. continuous - phpvsfiid 480496; continuous - phpvsfiid 480496
B22t—66 to 94 centimeters (26.0 to 37.0 inches); light brownish gray (10YR 6/2) and grayish brown (10YR 5/2) silty clay loam; 1 percent brown (7.5YR 4/4) medium prominent and 10 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium angular blocky structure; firm; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent distinct very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL23389. continuous - phpvsfiid 480498; continuous - phpvsfiid 480498
B23t—94 to 119 centimeters (37.0 to 46.9 inches); light brownish gray (10YR 6/2) and light gray (10YR 7/2) silty clay loam; 1 percent brown (7.5YR 4/4) medium prominent and 10 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium angular blocky structure; firm; 25 percent distinct very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL23390
B31t—119 to 155 centimeters (46.9 to 61.0 inches); light brownish gray (10YR 6/2) and light gray (10YR 7/2) silt loam; 1 percent brown (7.5YR 4/4) medium prominent and 10 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium angular blocky structure; firm; 25 percent prominent very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL23391
IIB32—155 to 203 centimeters (61.0 to 79.9 inches); grayish brown (10YR 5/2) and light brownish gray (10YR 6/2) silt loam; 25 percent yellowish brown (10YR 5/6) medium prominent mottles; weak medium subangular blocky parts to weak fine granular structure; firm; 1 percent distinct very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; 1 percent prominent carbonate concretions in matrix; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL23392
IIB33—203 to 262 centimeters (79.9 to 103.1 inches); grayish brown (10YR 5/2) and light brownish gray (10YR 6/2) silt loam; 25 percent strong brown (7.5YR 5/6) medium prominent and 25 percent dark yellowish brown (10YR 3/4) medium distinct mottles; weak medium subangular blocky parts to weak fine granular structure; firm; 25 percent distinct very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL23393
IIIAb—262 to 295 centimeters (103.1 to 116.1 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent dark yellowish brown (10YR 3/4) medium prominent and 25 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium subangular blocky structure; firm; 1 percent distinct very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL23394
IIIB21b—295 to 386 centimeters (116.1 to 152.0 inches); light brownish gray (10YR 6/2) and yellowish brown (10YR 5/6) silty clay loam; 10 percent yellowish red (5YR 5/6) medium prominent and 25 percent dark yellowish brown (10YR 3/4) medium prominent mottles; moderate medium angular blocky structure; firm; 25 percent prominent dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 25 percent prominent very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL23395. discontinuous - phpvsfiid 480499; discontinuous - phpvsfiid 480499
IIIB22b—386 to 467 centimeters (152.0 to 183.9 inches); yellowish brown (10YR 5/6) and light brownish gray (10YR 6/2) and light gray (10YR 7/2) clay loam; weak medium angular blocky structure; firm; 10 percent prominent dark grayish brown (10YR 4/2), moist, clay films on surfaces along pores; 1 percent medium prominent very dark grayish brown (10YR 3/2), moist, masses of oxidized iron in matrix and 1 percent prominent very dark grayish brown (10YR 3/2), moist, iron-manganese concretions in matrix; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL23396. patchy - phpvsfiid 480497; patchy - phpvsfiid 480497
IIIB3b—467 to 544 centimeters (183.9 to 214.2 inches); yellowish brown (10YR 5/6) and gray (10YR 6/1) loam; weak medium angular blocky structure; firm; 10 percent prominent dark grayish brown (10YR 4/2), moist, clay films on surfaces along pores; 1 percent medium prominent very dark grayish brown (10YR 3/2), moist, masses of oxidized iron in matrix and 1 percent very dark grayish brown (10YR 3/2), moist, iron-manganese concretions; fragments; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL23397. patchy - phpvsfiid 480495; patchy - phpvsfiid 480495
IIIC1—544 to 559 centimeters (214.2 to 220.1 inches); yellowish brown (10YR 5/4) loam; 1 percent very dark grayish brown (10YR 3/2) medium distinct mottles; structureless massive; very firm; prominent very dark gray (10YR 3/1), moist, manganese coatings in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # IL23398
IIIC2—559 to 605 centimeters (220.1 to 238.2 inches); yellowish brown (10YR 5/4) loam; 1 percent very dark grayish brown (10YR 3/2) medium distinct mottles; structureless massive; very firm; prominent very dark gray (10YR 3/1), moist, manganese coatings in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1. Lab sample # IL23399