IDENTIFIERS

Current Taxon Name (Soil Name): Virden

OSD

Series Extent

User Site ID: S1975IL009004

User Pedon ID: S1975IL009004

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - IL SCL

Lab Pedon # - 75IL009004

NCSS Pedon Lab Data NASIS Record ID - 21212

Print Date: 5/19/2024

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: 39.9888111

Std. Longitude: -90.8838944

Datum: WGS84

Township: 1S

Range: 4W

Section: 8

PLSS Details: 2,529 feet south and 105 feet west of the section center

Map Unit: 43A—Ipava silt loam, 0 to 2 percent slopes

Country: US—United States

State: Illinois

County: IL009—Brown

MLRA: 115—Central Mississippi Valley Wooded Slopes

Regional Office: NC—North Central

Non-MLRA Soil Survey Area: IL009—Brown County, Illinois

7.5 Minute USGS Quad: 39090-H8—Kellerville, Illinois

PEDON

Describers Name: LB

Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiaquolls

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: soil survey inventory

Pedon Record Orgin: PedonPC

Pedon #: 4

Correlated Information:

Soil Name - Virden

PSC - 46 to 96 cm.

Classificaton Date - 6/8/2009

Moisture Class - aquic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Virden

PSC - 30 to 80 cm.

Classificaton Date - 1/1/1975

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: Fine-silty textured Peoria Loess & the underlying Roxana Silts over Illinois till

Landscape: upland, till plain

Landform: depression

Runoff: negligible

Drainage Class: poorly

Ponding: occasional ponding for long periods

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 1/1/1975 (actual site observation date)

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

Pedon Horizon Lab Results - 1
Horizon	Top Depth	Bottom Depth	Sample ID	Data Collector	Total Clay	CaCO3 Clay	Total Silt	Fine Silt	Co. Silt	Total Sand	Total Sand Method	VC Sand	Co. Sand	Med. Sand	Fine Sand	VF Sand	VF Sand Method	Texture Class - Field Lab	Rubbed Fiber	Unrubbed Fiber	pH H2O
	cm	cm			%	%	%	%	%	%		%	%	%	%	%			%	%
Ap A AB Btg1 Btg2 Btg3 BCg Cg	0 20 30 46 71 97 119 150	20 30 46 71 97 119 150 185	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Horizon Lab Results - 2
Horizon	Top Depth	Bottom Depth	Sample ID	pH CaCl2	pH NaF	pH Ox	Delta pH	LL	PL	PI	Atter. Samp. Cond.	COLE	Pot. Acidity	Ca + Mg - Meh 2	K	Ca + Mg - Sat. Paste	KCl Extract. Acidity	Base Sat. - Meh 2	CEC-7	CEC-8.2
	cm	cm						%	%	%		cm/cm	meq/100g	cmol(+)/kg	cmol(+)/kg	mmol(+)/l	cmol(+)/kg	%	cmol(+)/kg	cmol(+)/kg
Ap A AB Btg1 Btg2 Btg3 BCg Cg	0 20 30 46 71 97 119 150	20 30 46 71 97 119 150 185	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —		— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Horizon Lab Results - 3
Horizon	Top Depth	Bottom Depth	Sample ID	ECEC	Phosphate P	NO3-N	EC	EC Method	EC 1:5 by volume	CaCO3 Equiv.	Equiv. Gypsum	Na	SAR	Gypsum Req.	Humic Color	Fulvic Color	Humic + Fulvic Color	Al	PI	Pyro. Hue	PyrO. Value	Pyro. Chroma
	cm	cm		cmol(+)/kg	mg/kg	mg/kg	dS/m		dS/m	%	%	mmol(+)/l	%	L-pcu/g	L-pcu/g	L-pcu/g	%
Ap A AB Btg1 Btg2 Btg3 BCg Cg	0 20 30 46 71 97 119 150	20 30 46 71 97 119 150 185	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon	0—46 46—97	—- —-

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	—	—	226	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 20 centimeters (0.0 to 7.9 inches); variegated very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; 23 percent clay; moderate fine granular, and moderate medium granular structure; friable; many (10.0) very fine roots between peds; 10 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; 10 percent prominent cylindrical light gray (10YR 7/2), dry, clay depletions with sharp boundaries on faces of peds and 10 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 10 percent fine distinct irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with sharp boundaries throughout; fragments; moderately acid, pH 5.8, lamotte-morgan; abrupt smooth boundary. Lab sample # IL24052. the mixed matrix colors occur in the Ap horizon; continuous - phpvsfiid 1406296; continuous - phpvsfiid 1406296

A—20 to 30 centimeters (7.9 to 11.8 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; 27 percent clay; moderate very fine subangular blocky parts to moderate fine granular structure; firm; many (10.0) very fine roots between peds; 10 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; 10 percent fine distinct irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with sharp boundaries throughout; fragments; strongly acid, pH 5.3, lamotte-morgan; clear smooth boundary. Lab sample # IL24053. the pHs are too acid in the upper part; continuous - phpvsfiid 1406291; continuous - phpvsfiid 1406291

AB—30 to 46 centimeters (11.8 to 18.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; 32 percent clay; mottles; moderate fine angular blocky parts to moderate medium granular structure; firm; common (3.0) very fine roots between peds; 25 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; 10 percent fine distinct irregular light olive brown (2.5Y 5/3), moist, masses of oxidized iron with clear boundaries in matrix and 10 percent fine distinct irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout; fragments; strongly acid, pH 5.4, lamotte-morgan; clear smooth boundary. Lab sample # IL24054. the pH is too acid; continuous - phpvsfiid 1406292; continuous - phpvsfiid 1406292

Btg1—46 to 71 centimeters (18.1 to 28.0 inches); grayish brown (2.5Y 5/2) silty clay loam; 34 percent clay; and mottles; weak medium prismatic parts to moderate medium angular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent prominent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 10 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 10 percent medium prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 25 percent medium faint irregular olive (5Y 5/3), moist, masses of oxidized iron with clear boundaries in matrix; fragments; strongly acid, pH 5.5, lamotte-morgan; clear smooth boundary. Lab sample # IL24055. the pH in the upper horizons are too acid; continuous - phpvsfiid 1406293; continuous - phpvsfiid 1406293

Btg2—71 to 97 centimeters (28.0 to 38.2 inches); light olive gray (5Y 6/2) silty clay loam; 32 percent clay; and mottles; weak medium prismatic parts to moderate medium angular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent prominent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 10 percent fine prominent irregular light olive brown (2.5Y 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 10 percent medium prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 25 percent fine faint irregular pale olive (5Y 6/3), moist, masses of oxidized iron with clear boundaries in matrix; fragments; moderately acid, pH 5.8, lamotte-morgan; gradual wavy boundary. Lab sample # IL24056. continuous - phpvsfiid 1406297; continuous - phpvsfiid 1406297

Btg3—97 to 119 centimeters (38.2 to 46.9 inches); gray (5Y 6/1) silty clay loam; 28 percent clay; mottles; weak coarse prismatic parts to moderate medium angular blocky structure; firm; few (0.8) very fine roots between peds; 10 percent prominent very dark gray (10YR 3/1), moist, and dark gray (10YR 4/1), moist, organoargillans on surfaces along root channels and 25 percent distinct dark gray (10YR 4/1), moist, and very dark gray (10YR 3/1), moist, clay films on vertical faces of peds; 10 percent medium prominent irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent medium prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout; fragments; moderately acid, pH 5.8, lamotte-morgan; gradual wavy boundary. Lab sample # IL24057. continuous - phpvsfiid 1406294; continuous - phpvsfiid 1406295; continuous - phpvsfiid 1406294; continuous - phpvsfiid 1406295

BCg—119 to 150 centimeters (46.9 to 59.1 inches); gray (5Y 6/1) silt loam; 25 percent clay; mottles; weak coarse prismatic parts to moderate medium angular blocky structure; firm; few (0.8) very fine roots between peds; 10 percent distinct dark gray (10YR 4/1), moist, and very dark gray (10YR 3/1), moist, clay films on surfaces along root channels; 10 percent fine prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 10 percent medium prominent irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; moderately acid, pH 6.0, lamotte-morgan; gradual wavy boundary. Lab sample # IL24058. continuous - phpvsfiid 1406299; continuous - phpvsfiid 1406299

Cg—150 to 185 centimeters (59.1 to 72.8 inches); gray (5Y 6/1) silt loam; 20 percent clay; mottles; massive; friable; 0.1 very fine roots top of horizon; 10 percent distinct dark gray (10YR 4/1), moist, clay films on surfaces along root channels; 10 percent fine prominent irregular light olive brown (2.5Y 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 7.0, lamotte-morgan. continuous - phpvsfiid 1406298; continuous - phpvsfiid 1406298