IDENTIFIERS
Current Taxon Name (Soil Name):
Gunlock
OSD
Series Extent
User Site ID:
1995MO151001M
User Pedon ID:
1995MO151001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M9515101
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:
38.3039413
Std. Longitude:
-91.7754259
Datum:
WGS84
Township:
T41N
Range:
R8W
Section:
12
PLSS Details:
100 feet N and 300 feet E of the SW cornere
State:
Missouri
County:
MO151—Osage
MLRA:
116B—Springfield Plain
PEDON
Describers Name:
Keith Davis Brad Berhorst Wyn Kelley
Current Taxonomic Class:
Fine-silty, mixed Typic Hapludalfs
Pedon Type:
representative pedon for component
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
Converted from PDP 3.x
Sampled As Information:
Soil Name -
Gunlock
Taxonomic Class -
Fine-silty, mixed Typic Hapludalfs
Taxon Kind -
series
PSC -
28 to 165 cm.
Classificaton Date -
1/17/1995
Moisture Class -
udic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess derived from mixed
Landscape:
hills
Landform:
hillside
Geomorphic Component Hills:
side slope
Hill Slope Profile:
footslope
Slope Position:
middle third
Slope Shape Across:
linear
Slope Shape Down:
convex
Drainage Class:
moderately well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
1/17/1995 (actual site observation date)
Air Photo ID:
40
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
0—28
28—79
—-
—-
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
7
183
61
223
—
180
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap1—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) interior silt loam; weak thin platy parts to moderate fine granular structure; friable; 6.0 very fine and fine roots throughout; 6.0 very fine moderate-continuity vesicular pores; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU053683. all gravels or cobbles throughout this pedon are chert
Ap2—15 to 28 centimeters (5.9 to 11.0 inches); brown (10YR 4/3) interior silt loam; weak medium subangular blocky parts to weak fine granular structure; friable; 6.0 very fine roots throughout and 3.0 fine roots throughout; 6.0 very fine moderate-continuity vesicular pores; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # MU053684
Bt1—28 to 46 centimeters (11.0 to 18.1 inches); 95 percent dark yellowish brown (10YR 4/6) interior silty clay loam; 5 percent dark yellowish brown (10YR 4/4) fine distinct irregular mottles; moderate medium angular blocky structure; firm; 3.0 very fine and fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 25 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # MU053685. discontinuous - phpvsfiid 148476; discontinuous - phpvsfiid 148476
Bt2—46 to 61 centimeters (18.1 to 24.0 inches); 85 percent strong brown (7.5YR 4/6) interior silty clay loam; 15 percent strong brown (7.5YR 4/6) fine prominent irregular mottles; moderate fine prismatic parts to moderate medium subangular blocky structure; firm; 3.0 very fine and fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 25 percent prominent yellowish brown (10YR 5/4), moist, clay films on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # MU053686. continuous - phpvsfiid 148477; continuous - phpvsfiid 148477
2Btx1—61 to 91 centimeters (24.0 to 35.8 inches); 90 percent strong brown (7.5YR 4/6) interior silty clay loam; 2 percent light brownish gray (10YR 6/2) fine prominent irregular and 8 percent pale brown (10YR 6/3) fine prominent irregular mottles; moderate fine prismatic parts to moderate medium subangular blocky structure; firm; 3.0 very fine and fine roots throughout; 3.0 fine moderate-continuity vesicular pores; 50 percent prominent light brownish gray (10YR 6/2), moist, clay films on faces of peds and 50 percent prominent pale brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU053687. 30% mod. brittleness; discontinuous - phpvsfiid 148479; continuous - phpvsfiid 148478; discontinuous - phpvsfiid 148479; continuous - phpvsfiid 148478
2Btx2—91 to 114 centimeters (35.8 to 44.9 inches); 50 percent grayish brown (10YR 5/2) interior and 50 percent strong brown (7.5YR 5/6) interior silt loam; weak medium prismatic structure; very firm; 0.5 very fine roots throughout; 3.0 fine moderate-continuity vesicular pores; 25 percent prominent dark reddish brown (5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 25 percent prominent light brownish gray (10YR 6/2), moist, clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU053688. 40% mod. brittleness; discontinuous - phpvsfiid 148480; discontinuous - phpvsfiid 148481; discontinuous - phpvsfiid 148480; discontinuous - phpvsfiid 148481
2Btx3—114 to 132 centimeters (44.9 to 52.0 inches); 80 percent yellowish red (5YR 4/6) interior silt loam; 20 percent yellowish red (5YR 4/6) fine prominent irregular mottles; weak medium prismatic structure; very firm; 3.0 fine moderate-continuity vesicular pores; 25 percent prominent dark brown (10YR 3/3), moist, clay films on faces of peds and 25 percent prominent very dark grayish brown (10YR 3/2), moist, manganese or iron-manganese stains on faces of peds; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU053689. 50% mod. brittleness few medium root channels filled w/ 10YR 4/2 organic coats; discontinuous - phpvsfiid 148482; discontinuous - phpvsfiid 148483; discontinuous - phpvsfiid 148482; discontinuous - phpvsfiid 148483
3Bt3—132 to 145 centimeters (52.0 to 57.1 inches); 75 percent strong brown (7.5YR 5/6) interior extremely gravelly silty clay; 25 percent yellowish brown (10YR 5/4) fine prominent irregular mottles; moderate fine angular blocky structure; very firm; 0.5 fine low-continuity vesicular pores; 5 percent prominent very dark grayish brown (10YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 25 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 20 percent by volume subangular 75-162-250 millimeter unspecified fragments and 45 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # MU053690. discontinuous - phpvsfiid 148484; discontinuous - phpvsfiid 148485; discontinuous - phpvsfiid 148484; discontinuous - phpvsfiid 148485
3Bt4—145 to 165 centimeters (57.1 to 65.0 inches); 80 percent yellowish red (5YR 4/6) interior silty clay; 20 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; moderate fine prismatic parts to moderate fine angular blocky structure; firm; 0.5 fine low-continuity vesicular pores; 25 percent prominent yellowish brown (10YR 5/4), moist, clay films on vertical faces of peds and 25 percent prominent yellowish brown (10YR 5/4), moist, clay films on faces of peds and 25 percent prominent dark reddish brown (5YR 3/2), moist, manganese or iron-manganese stains on faces of peds; fragments; moderately alkaline, pH 8.0, hellige-truog. Lab sample # MU053691. few medium root channels filled w/ 10YR 4/2 organic coats; discontinuous - phpvsfiid 148486; discontinuous - phpvsfiid 148487; discontinuous - phpvsfiid 148488; discontinuous - phpvsfiid 148486; discontinuous - phpvsfiid 148487; discontinuous - phpvsfiid 148488