IDENTIFIERS

Current Taxon Name (Soil Name): Spindletop

OSD

Series Extent

User Site ID: S10TX0713682

User Pedon ID: S2010TX0713682

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 11N0435

NCSS Pedon Lab Data NASIS Record ID - 58634

Print Date: 11/23/2024

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: 29.7586361

Std. Longitude: -94.5260556

Datum: WGS84

Location Description: from the intersection of Farm to Market Road 562 and State Highway 65; 1.5 miles south on Farm to Market Road 562 to Belton Lane; 4.6 miles east on Belton Lane; 0.2 mile south on ranch road; 2 miles east on ranch road; 0.4 mile south on ranch road; 100 feet east in range land on a pimple mound

State: Texas

County: TX071—Chambers

MLRA: 150A—Gulf Coast Prairies

7.5 Minute USGS Quad: 29094-G5—Monroe City, Texas

PEDON

Describers Name: Stacey Kloesel

Current Taxonomic Class: Fine, smectitic, hyperthermic Oxyaquic Argiudolls

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Spindletop

PSC - 37 to 87 cm.

Classificaton Date - 6/29/2011

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - oxyaquic

Sampled As Information:

Soil Name - Spindletop

Classificaton Date - 6/22/2011

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

SITE

Parent Material: strongly weathered, loamy fluviomarine deposits derived from igneous, metamorphic and sedimentary rock

Landscape: relict meander belt

Microfeature: pimple mound

Geomorphic Component Flats: rise

Slope Complexity: simple

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: medium

Drainage Class: moderately well

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/22/2011 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

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			%	%	%	%	%	%		%	%	%	%	%			%	%
A A/E Bt1 Bt2 Btss Btkss Btkg Btg	9999 9999 9999 9999 9999 9999 9999 9999	9999 9999 9999 9999 9999 9999 9999 9999	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

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
A A/E Bt1 Bt2 Btss Btkss Btkg Btg	9999 9999 9999 9999 9999 9999 9999 9999	9999 9999 9999 9999 9999 9999 9999 9999	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —		— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

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	%
A A/E Bt1 Bt2 Btss Btkss Btkg Btg	9999 9999 9999 9999 9999 9999 9999 9999	9999 9999 9999 9999 9999 9999 9999 9999	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
abrupt textural change	—	37 - 38	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon episaturation abrupt textural change argillic horizon slickensides secondary carbonates endosaturation	0—26 26—50 37—38 37—50 77—177 130—177 177—203	—- —- —- —- —- —- —-

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
0.1	—	—	6.1	—	270	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 26 centimeters (0.0 to 10.2 inches); very dark grayish olive (10Y 3/2), dark grayish brown (10YR 4/2), dry; fine sandy loam; weak medium granular structure; soft, very friable; 9.0 very fine roots throughout and 1.0 fine roots throughout; 10.0 very fine interstitial and 2.0 fine interstitial pores; 1 percent medium worm casts; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 11N02246; slightly dry when described; observed in pit, small

A/E—26 to 37 centimeters (10.2 to 14.6 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 40 percent grayish brown (10YR 5/2) broken face fine sandy loam; weak medium subangular blocky structure; very friable; 5.0 very fine roots; 6.0 very fine tubular pores; 1 percent fine distinct dark yellowish brown (10YR 4/6) masses of oxidized iron with sharp boundaries lining pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; slightly moist when described; observed in pit, small

Bt1—37 to 50 centimeters (14.6 to 19.7 inches); dark gray (10YR 4/1) clay loam; moderate coarse prismatic parts to moderate medium angular blocky structure; firm; 3.0 very fine roots; 3.0 very fine pores; 20 percent distinct very dark gray (10YR 3/1) clay films on all faces of peds; 3 percent fine faint gray (10YR 5/1) iron depletions with sharp boundaries in matrix surrounding redox concentrations and 8 percent medium prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries in matrix and 10 percent medium faint brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # 11N02248; moist when described; observed in pit, small

Bt2—50 to 77 centimeters (19.7 to 30.3 inches); light gray (2.5Y 7/2) clay; moderate medium prismatic parts to moderate medium angular blocky structure; very firm; 2.0 very fine roots; 3.0 very fine tubular pores; 5 percent faint light gray (2.5Y 7/2) clay films on all faces of peds and 20 percent distinct pressure faces; 3 percent fine prominent red (2.5YR 4/8) masses of oxidized iron with sharp boundaries lining pores and 20 percent medium faint light gray (2.5Y 7/1) iron depletions with clear boundaries in matrix surrounding redox concentrations and 25 percent coarse prominent brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 11N02249; moist when described; observed in pit, small

Btss—77 to 130 centimeters (30.3 to 51.2 inches); light gray (2.5Y 7/2) clay; moderate coarse wedge parts to moderate coarse angular blocky structure; very firm; 1.0 very fine roots in cracks; 1.0 very fine tubular pores; 10 percent distinct light gray (2.5Y 7/2) slickensides (pedogenic) and 10 percent faint light gray (2.5Y 7/2) clay films on vertical faces of peds; 10 percent medium prominent yellow (10YR 7/8) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations and 20 percent coarse prominent brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual broken boundary. Lab sample # 11N02250; moist when described; observed in pit, small

Btkss—130 to 177 centimeters (51.2 to 69.7 inches); light gray (2.5Y 7/1) clay; moderate coarse wedge parts to moderate coarse angular blocky structure; very firm; 1.0 very fine roots throughout; 2.0 very fine tubular pores; and 15 percent distinct gray (2.5Y 6/1) slickensides (pedogenic); 1 percent fine prominent spherical black (10YR 2/1) iron-manganese nodules with sharp boundaries in matrix and 3 percent medium faint gray (2.5Y 6/1) iron depletions with diffuse boundaries on slickensides and 5 percent medium prominent yellow (2.5Y 8/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 20 percent medium prominent yellow (2.5Y 7/6) masses of oxidized iron with clear boundaries in matrix; 1 percent coarse irregular moderately coherent cemented white (2.5Y 8/1) carbonate nodules in matrix and 1 percent very coarse lenticular moderately coherent cemented white (2.5Y 8/1) carbonate nodules in matrix; fragments; noneffervescent, by hcl, 1n; gradual broken boundary. Lab sample # 11N02251; moist when described; observed in pit, small

Btkg—177 to 194 centimeters (69.7 to 76.4 inches); light gray (2.5Y 7/1) clay loam; moderate coarse angular blocky structure; firm; 0.5 very fine roots throughout; 1.0 very fine tubular pores; 25 percent distinct light gray (2.5Y 7/1) clay films on vertical faces of peds; 1 percent medium prominent spherical black (7.5YR 2.5/1) iron-manganese masses with sharp boundaries in matrix and 5 percent medium distinct yellow (2.5Y 8/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 15 percent medium prominent irregular olive yellow (2.5Y 6/8) masses of oxidized iron with sharp boundaries in matrix; 3 percent medium irregular moderately coherent cemented white (2.5Y 8/1) carbonate nodules in matrix and 10 percent very coarse irregular white (2.5Y 8/1) carbonate masses in matrix; fragments; noneffervescent, by hcl, 1n; gradual broken boundary. Lab sample # 11N02252; moist when described; observed in pit, small

Btg—194 to 203 centimeters (76.4 to 79.9 inches); light gray (2.5Y 7/2) sandy clay loam; weak very coarse subangular blocky structure; friable; 0.2 very fine roots throughout; 0.5 very fine tubular pores; 20 percent distinct light brownish gray (2.5Y 6/2) clay films on vertical faces of peds; 2 percent medium prominent black (7.5YR 2.5/1) iron-manganese masses with sharp boundaries in matrix and 2 percent medium prominent brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries in matrix and 10 percent medium distinct yellow (2.5Y 8/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 15 percent medium prominent yellow (2.5Y 7/8) masses of oxidized iron with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n. Lab sample # 11N02253; very moist when described; observed in pit, small