IDENTIFIERS
Current Taxon Name (Soil Name):
ARMSTER
OSD
Series Extent
User Site ID:
2005MO139064
User Pedon ID:
2005MO139064
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
MCL
Lab Pedon # -
M0513964
NCSS Pedon Lab Data NASIS Record ID -
30364
User Project ID:
201811UNI001
Project Name:
MLRA 113 and 109 - Armster surface texture and landscape evaluation
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:
38.9666667
Std. Longitude:
-91.3500000
Datum:
WGS84
Township:
T49N
Range:
R4W
Section:
28
PLSS Details:
2,440 feet West and 190 feet South from the South East corner
Location Description:
Old house site.1/2mile south of Bellflower
Country:
US—United States
State:
Missouri
County:
MO139—Montgomery
MLRA:
113—Central Claypan Areas
Non-MLRA Soil Survey Area:
MO603—Montgomery and Warren Counties, Missouri
7.5 Minute USGS Quad:
38091-H3—Bellflower South, Missouri
PEDON
Describers Name:
LeAnn Bullard, Mike Chalfant, Amber Marshaus, Wyn Kelley
Current Taxonomic Class:
Fine, smectitic, mesic Mollic Hapludalfs
Current Taxon Kind:
series
Pedon Type:
map unit inclusion
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Missouri Pedon
Pedon #:
64
Sampled As Information:
Soil Name -
ARMSTER
Taxonomic Class -
Fine, smectitic, mesic Mollic Hapludalfs
PSC -
0 to 0 cm.
Classificaton Date -
7/14/2005
Soil Taxonomic Edition -
ninth edition
Moisture Class -
udic
Moisture SUBClass -
typic
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
fine-silty loess derived from mixed over clayey till derived from aa lava
Landscape:
till plain
Landform:
plain
Geomorphic Component Hills:
interfluve
Hill Slope Profile:
backslope
Slope Position:
lower third
Slope Complexity:
simple
Slope Shape Across:
linear
Slope Shape Down:
linear
Runoff:
negligible
Drainage Class:
excessively
Flooding:
none flooding
Ponding:
none ponding
Geology:
Holocene Stage formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/14/2005 (actual site observation date)
Air Photo ID:
38091h3nw
Surface Water Kind:
none observed
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
other grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
landslip erosion highly deformed
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
—
—
239.6
—
300
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) crushed silt loam; moderate fine subangular blocky structure; friable; 10.0 fine roots; 10.0 fine pores; 40 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026910; observed in pit, small
E1—20 to 30 centimeters (7.9 to 11.8 inches); dark grayish brown (10YR 4/2) crushed silt loam; weak fine subangular blocky, and weak very coarse platy structure; very friable; 3.0 fine roots; 10.0 fine tubular pores; 20 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026911; observed in pit, small
E2—30 to 48 centimeters (11.8 to 18.9 inches); dark grayish brown (10YR 4/2) crushed silt loam; weak coarse platy structure; very friable; 3.0 fine roots; 3.0 fine tubular pores; 50 percent distinct gray (10YR 6/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU026912; observed in pit, small
Btg1—48 to 76 centimeters (18.9 to 29.9 inches); 60 percent dark grayish brown (10YR 4/2) crushed and 40 percent dark yellowish brown (10YR 4/4) crushed silty clay; moderate fine subangular blocky structure; very firm; 3.0 fine roots; 3.0 fine pores; 50 percent distinct dark gray (10YR 4/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026913; observed in pit, small
Btg2—76 to 109 centimeters (29.9 to 42.9 inches); dark grayish brown (10YR 4/2) crushed silty clay loam; weak medium subangular blocky structure; firm; 3.0 fine roots; 3.0 fine pores; 5 percent distinct gray (10YR 6/1), moist, silt coats on surfaces along root channels and 40 percent distinct dark gray (10YR 4/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026914; observed in pit, small
2Btg3—109 to 193 centimeters (42.9 to 76.0 inches); 30 percent yellowish red (5YR 5/8) crushed and 70 percent gray (10YR 5/1) crushed silty clay loam; weak medium subangular blocky, and weak coarse prismatic structure; firm; 0.5 fine roots; 0.5 fine pores; 10 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 5/4), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026915; observed in pit, small
2Btg4—193 to 234 centimeters (76.0 to 92.1 inches); 30 percent gray (10YR 5/1) crushed and 70 percent yellowish red (5YR 5/8) crushed silty clay loam; weak coarse prismatic structure; firm; 0.5 fine roots; 0.5 fine pores; 10 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026916; observed in pit, small
2Btg4—234 to 274 centimeters (92.1 to 107.9 inches); 30 percent light brownish gray (10YR 6/2) crushed and 70 percent grayish brown (10YR 5/2) crushed silty clay loam; weak coarse prismatic structure; firm; 0.5 fine roots; 0.5 fine pores; 10 percent prominent skeletans and 20 percent faint clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in pit, small
3Btg5—274 to 579 centimeters (107.9 to 228.0 inches); 20 percent yellowish red (5YR 4/6) crushed and 80 percent gray (10YR 5/1) crushed silty clay loam; weak medium subangular blocky, and weak coarse prismatic structure; firm; 10 percent faint clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
3BC—579 to 671 centimeters (228.0 to 264.2 inches); 30 percent light gray (5Y 7/1) crushed and 70 percent light olive gray (5Y 6/2) crushed silty clay; weak fine subangular blocky structure; very firm; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
4Bt1—671 to 744 centimeters (264.2 to 292.9 inches); 20 percent gray (10YR 6/1) crushed and 80 percent strong brown (7.5YR 5/8) crushed clay loam; moderate medium subangular blocky structure; firm; 35 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented quartz fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
4BC1—744 to 866 centimeters (292.9 to 340.9 inches); yellowish brown (10YR 5/6) crushed clay loam; weak fine subangular blocky structure; firm; 12 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments and 1 percent by volume flat very strongly coherent cemented quartz fragments; clear smooth boundary.; observed in pit, small
4BC2—866 to 927 centimeters (340.9 to 365.0 inches); strong brown (7.5YR 5/8) crushed clay loam; weak fine subangular blocky structure; very firm; 12 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented quartz fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
4BC3—927 to 1006 centimeters (365.0 to 396.1 inches); 75 percent yellowish brown (10YR 5/6) crushed and 25 percent gray (10YR 5/1) crushed clay loam; weak fine subangular blocky structure; very firm; 12 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume flat very strongly coherent cemented chert fragments and 2 percent by volume flat very strongly coherent cemented quartz fragments; clear smooth boundary.; observed in pit, small
4Ck1—1006 to 1067 centimeters (396.1 to 420.1 inches); variegated 90 percent yellowish brown (10YR 5/6) crushed and 10 percent gray (10YR 6/1) crushed clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 12 percent carbonate, finely disseminated throughout; 1 percent by volume flat very strongly coherent cemented limestone, unspecified fragments and 1 percent by volume flat very strongly coherent cemented quartz fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
4Ck2—1067 to 1135 centimeters (420.1 to 446.9 inches); 80 percent yellowish brown (10YR 5/6) crushed and 20 percent gray (2.5Y 6/1) crushed clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 1 percent by volume flat very strongly coherent cemented chert fragments and 1 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
4Ck3—1135 to 1173 centimeters (446.9 to 461.8 inches); 95 percent red (10R 5/6) crushed and 5 percent light gray (10YR 7/1) crushed clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; 12 percent fine distinct carbonate masses throughout; 2 percent by volume flat very strongly coherent cemented chert fragments and 3 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
4Ck4—1173 to 1199 centimeters (461.8 to 472.0 inches); 90 percent yellowish brown (10YR 5/6) crushed and 10 percent gray (2.5Y 6/1) crushed clay loam; weak fine subangular blocky structure; firm; 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments and 3 percent by volume flat very strongly coherent cemented chert fragments and 5 percent by volume flat very strongly coherent cemented shale, unspecified fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
4C—1199 to 1290 centimeters (472.0 to 507.9 inches); 90 percent yellowish brown (10YR 5/8) crushed and 10 percent light gray (2.5Y 7/1) crushed clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume flat very strongly coherent cemented quartz fragments and 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
5Bw—1290 to 1328 centimeters (507.9 to 522.8 inches); 95 percent yellowish brown (10YR 5/6) crushed and 5 percent gray (2.5Y 6/1) crushed silty clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments and 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 1 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
5Ck—1328 to 1438 centimeters (522.8 to 566.1 inches); yellowish brown (10YR 5/6) crushed silty clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent carbonate masses throughout; 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 2 percent by volume flat very strongly coherent cemented chert fragments and 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
5Cd—1438 to 1633 centimeters (566.1 to 642.9 inches); yellowish brown (10YR 5/6) crushed silty clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 1 percent fine prominent carbonate masses throughout; 1 percent by volume flat very strongly coherent cemented unspecified fragments and 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
6Bw—1633 to 1999 centimeters (642.9 to 787.0 inches); brownish yellow (10YR 6/8) crushed silty clay loam; moderate fine subangular blocky structure; firm; 2 percent by volume flat very strongly coherent cemented chert fragments and 3 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
6C—1999 to 2184 centimeters (787.0 to 859.8 inches); 60 percent dark gray (5Y 4/1) crushed and 40 percent olive gray (5Y 4/2) crushed silty clay; massive; firm; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent fine prominent carbonate masses throughout; 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small