IDENTIFIERS

Current Taxon Name (Soil Name): Spindletop

OSD

Series Extent

User Site ID: S12TX2451002

User Pedon ID: S12TX2451002

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 12N7639

NCSS Pedon Lab Data NASIS Record ID - 72907

Print Date: 11/27/2024

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: 29.7451972

Std. Longitude: -94.1566056

Datum: WGS84

Country: US—United States

State: Texas

County: TX245—Jefferson

MLRA: 150A—Gulf Coast Prairies

Non-MLRA Soil Survey Area: TX623—Jefferson and Orange Counties, Texas

7.5 Minute USGS Quad: 29094-F2—Star Lake, Texas

PEDON

Describers Name: Kenneth Hall

Current Taxonomic Class: Fine-loamy, mixed, active, hyperthermic Glossic Natrudolls

Current Taxon Kind: taxadjunct

Pedon Type: within range of map unit

Pedon Purpose: full pedon description

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Spindletop

PSC - 118 to 168 cm.

Classificaton Date - 4/3/2012

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - oxyaquic

Sampled As Information:

Soil Name - Spindletop

Classificaton Date - 9/28/2011

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

SITE

Landscape: flat coastal plain, relict meander belt

Landform: flat

Microfeature: pimple mound

Geomorphic Component Flats: rise

Slope Complexity: simple

Slope Shape Across: concave

Slope Shape Down: linear

Runoff: negligible

Drainage Class: moderately well

Flooding: rare flooding

Ponding: none ponding

Geology: Holocene Stage formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/28/2011 (actual site observation date)

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

Current Weather - sunny

Site Erosion Accelerated: water erosion sheet

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			%	%	%	%	%	%		%	%	%	%	%			%	%
A1 A2 A3 A/E E/B Bt/E Bt Btg	0 36 61 88 104 118 138 170	36 61 88 104 118 138 170 203	— — — — — — — —	— — — — — — — —	5.2 6.2 6.2 6.2 13.2 16.3 28.7 39.3	— — — — — — — —	39.6 34.5 30.5 30.3 23.4 20.5 6.4 20.9	— — — — — — — —	— — — — — — — —	55.6 55 55.8 61.8 56 54.8 46.4 —	— — — — — — — —	0 0 0.2 0 0 0 0 0	0.4 — — — — 0.2 — —	0.4 — — — — 0.2 — —	0.2 25.8 23.4 27.4 27.6 27.4 24.2 —	54.6 29.2 32.2 34.4 28.4 27 22.2 —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	4.8 4.1 4.1 4.5 4.8 5.8 6.5 6.7

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
A1 A2 A3 A/E E/B Bt/E Bt Btg	0 36 61 88 104 118 138 170	36 61 88 104 118 138 170 203	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —		— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

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	%
A1 A2 A3 A/E E/B Bt/E Bt Btg	0 36 61 88 104 118 138 170	36 61 88 104 118 138 170 203	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	3 5.5 5.3 3.6 3.9 3.8 3.6 2.2	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	15.9 17.8 17 12 13.5 13 23.8 3.4	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon glossic horizon episaturation argillic horizon endosaturation	0—88 88—138 104—138 118—203 170—170	—88— —50— —34— —85— —1—

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
—	—	—	0.6	—	357	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A1—0 to 36 centimeters (0.0 to 14.2 inches); black (10YR 2/1) very fine sandy loam; weak fine subangular blocky parts to granular structure; very friable; 7.0 very fine roots throughout and 12.0 fine roots throughout; 3.0 very fine tubular and 2.0 medium tubular and 1.0 fine tubular pores; fragments; gradual wavy boundary.; moist when described; observed in pit, large or quarry

A2—36 to 61 centimeters (14.2 to 24.0 inches); black (10YR 2/1) very fine sandy loam; weak fine subangular blocky parts to granular structure; very friable; 6.0 very fine roots throughout and 10.0 fine roots throughout; 2.0 very fine tubular and 4.0 fine tubular pores; fragments; gradual wavy boundary.; moist when described; observed in pit, large or quarry

A3—61 to 88 centimeters (24.0 to 34.6 inches); black (10YR 2/1) very fine sandy loam; weak fine subangular blocky structure; very friable; 3.0 fine roots; 2.0 very fine tubular and 3.0 fine tubular and 15.0 coarse tubular pores; fragments; gradual wavy boundary.; moist when described; observed in pit, large or quarry

A/E—88 to 104 centimeters (34.6 to 40.9 inches); black (10YR 2/1) and pale brown (10YR 6/3) very fine sandy loam; weak fine subangular blocky structure; very friable; 4.0 very fine roots throughout and 3.0 fine roots; 2.0 very fine tubular and 2.0 fine tubular and 6.0 coarse tubular pores; 1 percent fine brownish yellow (10YR 6/8), moist, masses of oxidized iron with sharp boundaries lining pores; fragments; gradual wavy boundary.; moist when described; observed in pit, large or quarry

E/B—104 to 118 centimeters (40.9 to 46.5 inches); pale brown (10YR 6/3) very fine sandy loam; weak fine subangular blocky structure; friable; 3.0 very fine roots and 1.0 fine roots; 2.0 medium tubular and 1.0 fine tubular and 1.0 coarse tubular pores; 1 percent faint dark gray (10YR 4/1), moist, clay films; 2 percent fine dark gray (10YR 4/1), moist, iron depletions with sharp boundaries in matrix and 3 percent fine olive yellow (2.5Y 6/8), moist, masses of oxidized iron with sharp boundaries in matrix and 6 percent medium brownish yellow (10YR 6/8), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; gradual wavy boundary.; moist when described; observed in pit, large or quarry

Bt/E—118 to 138 centimeters (46.5 to 54.3 inches); pale brown (10YR 6/3) fine sandy loam; weak medium subangular blocky structure; friable; 1.0 very fine roots and 2.0 fine roots; 2.0 very fine interstitial and 3.0 fine tubular pores; 8 percent distinct dark gray (10YR 4/1), moist, clay films on vertical faces of peds; 1 percent fine dark brown (7.5YR 3/3), moist, iron-manganese masses with sharp boundaries in matrix and 7 percent fine gray (5Y 5/1), moist, iron depletions with clear boundaries lining pores and 15 percent medium yellowish brown (10YR 5/8), moist, masses of oxidized iron with sharp boundaries lining pores and 30 percent medium strong brown (7.5YR 4/6), moist, masses of oxidized iron with sharp boundaries lining pores; fragments; gradual wavy boundary.; moist when described; observed in pit, large or quarry

Bt—138 to 170 centimeters (54.3 to 66.9 inches); gray (2.5Y 6/1) sandy clay loam; moderate coarse prismatic parts to moderate medium subangular blocky structure; firm; 2.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 medium tubular and 1.0 fine tubular pores; 6 percent distinct pressure faces and 12 percent distinct dark gray (2.5Y 4/1), moist, clay films on vertical faces of peds; 1 percent fine black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries in matrix and 4 percent fine red (10R 4/8), moist, masses of oxidized iron with sharp boundaries in matrix and 10 percent medium brownish yellow (10YR 6/8), moist, masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations and 10 percent medium dark gray (10YR 4/1), moist, iron depletions with clear boundaries lining pores and 25 percent medium yellow (2.5Y 7/8), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; clear smooth boundary.; moist when described; observed in pit, large or quarry

Btg—170 to 203 centimeters (66.9 to 79.9 inches); light greenish gray (10Y 7/1) clay loam; moderate coarse prismatic parts to moderate medium subangular blocky structure; firm; 4.0 very fine roots throughout and 1.0 medium roots and 5.0 fine roots; 3.0 very fine tubular and 2.0 medium tubular and 2.0 fine tubular pores; 10 percent distinct pressure faces and 15 percent distinct dark gray (10YR 4/1), moist, clay films on vertical faces of peds; 3 percent medium dark gray (2.5Y 4/1), moist, iron depletions with clear boundaries lining pores and 3 percent medium black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries in matrix and 6 percent fine red (10R 4/8), moist, masses of oxidized iron with sharp boundaries in matrix and 30 percent medium brownish yellow (10YR 6/8), moist, masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations; fragments.; moist when described; observed in pit, large or quarry