IDENTIFIERS

Current Taxon Name (Soil Name): Colmena

OSD

Series Extent

User Site ID: S11TX3111014

User Pedon ID: S11TX3111014

Vegetation Plot ID: S11TX3111014

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSSL

Lab Pedon # - 11N1318

NCSS Pedon Lab Data NASIS Record ID - 58625

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: 28.5523281

Std. Longitude: -98.4447708

Datum: WGS84

State: Texas

County: TX311—McMullen

MLRA: 83A—Northern Rio Grande Plain

7.5 Minute USGS Quad: 28098-E4—Crowther, Texas

PEDON

Describers Name: Clark Harshbarger, Gary Harris, Joe Neal, Jim Akin

Current Taxonomic Class: Fine-loamy, mixed, superactive, hyperthermic Pachic Argiustolls

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 - Colmena

PSC - 15 to 65 cm.

Classificaton Date - 5/11/2011

Soil Taxonomic Edition - eleventh edition

Moisture Class - ustic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Colmena

Classificaton Date - 3/7/2011

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: fine-loamy alluvium derived from sandstone and shale

Landscape: coastal plain

Landform: remnant paleoterrace

Runoff: low

Drainage Class: well

Geology: Quaternary Terrace formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 3/7/2011 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - shrub cover

Site Obs. Cover Kind 2 - native shrubs

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

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 Bt1 Bt2 Bt3 Bt4 Btk1 Btk2 BCtk	0 15 34 56 77 114 155 182	15 34 56 77 114 155 182 203	11N03369 11N03370 11N03371 11N03372 11N03373 11N03374 11N03375 11N03376	MSSO 83 Staff MSSO 83 Staff MSSO 83 Staff MSSO 83 Staff MSSO 83 Staff MSSO 83 Staff MSSO 83 Staff MSSO 83 Staff	7.8 16.2 20.9 22 25.1 24.6 25.5 26	— — — 0 — 5.1 5.4 4.6	10.5 9.1 9.6 9 9.8 21.4 22.4 23.9	4.5 3.7 4.8 4.4 4.7 15.3 17.1 18	6 5.4 4.8 4.6 5.1 6.1 5.3 5.9	81.7 74.7 69.5 69 65.1 54 52.1 50.1	hydrometer — — — — — — —	0 0.3 0.6 2.1 2.7 0.8 1 0.6	4.1 5.1 4.6 6.2 7.6 4.9 3 3.2	20.4 18.2 20.2 20.8 17.9 13.9 13.7 11.8	42.5 38.9 31.7 29.3 27.4 25 23.5 24	14.7 12.2 12.4 10.6 9.5 9.4 10.9 10.5	— — — — — — — —	lfs fsl scl scl — scl scl scl	— — — — — — — —	— — — — — — — —	7.3 7.1 7.3 7.9 8.3 8.3 7.8 8.5

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 Bt1 Bt2 Bt3 Bt4 Btk1 Btk2 BCtk	0 15 34 56 77 114 155 182	15 34 56 77 114 155 182 203	11N03369 11N03370 11N03371 11N03372 11N03373 11N03374 11N03375 11N03376	6.7 6.3 6.6 7.3 7.6 7.7 8.5 7.9	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —		— — — — — — — —	0.03 0.02 0.03 0.03 0.04 — 0.04 0.04	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

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 Bt1 Bt2 Bt3 Bt4 Btk1 Btk2 BCtk	0 15 34 56 77 114 155 182	15 34 56 77 114 155 182 203	11N03369 11N03370 11N03371 11N03372 11N03373 11N03374 11N03375 11N03376	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —	— — — — — — — —

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
CORA OPLE PROSO	Coleogyne ramosissima Opuntia leptocaulis Prosopis	blackbrush Christmas cactus mesquite	— — —	— — —	— — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon secondary carbonates calcic horizon	0—56 15—65 77—203 114—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
2	—	—	89	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), black (10YR 2/1), moist; loamy fine sand; 20 percent clay; weak fine subangular blocky structure; slightly hard, firm, nonsticky, nonplastic; 2.0 very fine roots throughout and 1.0 fine roots throughout; fragments; noneffervescent; abrupt smooth boundary.

Bt1—15 to 34 centimeters (5.9 to 13.4 inches); very dark grayish brown (10YR 3/2), black (10YR 2/1), moist; fine sandy loam; 26 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 very fine tubular pores; 10 percent faint clay films on all faces of peds and 10 percent distinct organic stains on all faces of peds; fragments; noneffervescent; clear smooth boundary.

Bt2—34 to 56 centimeters (13.4 to 22.0 inches); dark brown (7.5YR 3/3), dark brown (7.5YR 3/3), moist; sandy clay loam; 36 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 very fine tubular pores; 5 percent distinct organic stains on all faces of peds and 25 percent distinct clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary.

Bt3—56 to 77 centimeters (22.0 to 30.3 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; sandy clay loam; 36 percent clay; strong medium prismatic parts to moderate fine angular blocky structure; hard, firm, slightly sticky, moderately plastic; 1.0 very fine roots throughout and 2.0 medium roots throughout and 1.0 fine roots throughout and 0.5 coarse roots throughout; 0.5 very fine tubular pores; 80 percent prominent weak red (7.5R 4/4) clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary. continuous - phpvsfiid 629289; continuous - phpvsfiid 629289

Bt4—77 to 114 centimeters (30.3 to 44.9 inches); yellowish red (5YR 5/8), yellowish red (5YR 4/6), moist; sandy clay loam; 34 percent clay; strong medium prismatic structure; very hard, very firm, slightly sticky, moderately plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 85 percent prominent clay films on all faces of peds; 2 percent fine carbonate masses around rock fragments; 2 percent by volume nonflat rounded indurated quartz fragments and 5 percent by volume nonflat rounded indurated 2-15-25 millimeter chert fragments; noneffervescent; clear smooth boundary. continuous - phpvsfiid 629290; continuous - phpvsfiid 629290

Btk1—114 to 155 centimeters (44.9 to 61.0 inches); variegated brownish yellow (10YR 6/6), light yellowish brown (10YR 6/4), moist; sandy clay loam; 31 percent clay; moderate medium subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 30 percent coarse irregular carbonate masses in matrix and 5 percent medium carbonate masses around rock fragments; 3 percent by volume nonflat rounded indurated 2-15-35 millimeter chert fragments; violent effervescence; gradual smooth boundary.

Btk2—155 to 182 centimeters (61.0 to 71.7 inches); strong brown (7.5YR 5/8), strong brown (7.5YR 5/6), moist; sandy clay loam; 29 percent clay; moderate medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 10 percent faint clay films on all faces of peds; 20 percent coarse irregular carbonate masses with sharp boundaries in matrix and 25 percent very coarse irregular carbonate masses with sharp boundaries in matrix; fragments; violent effervescence; clear smooth boundary. discontinuous - phpvsfiid 629291; discontinuous - phpvsfiid 629291

BCtk—182 to 203 centimeters (71.7 to 79.9 inches); variegated very pale brown (10YR 7/4), yellow (10YR 7/6), moist; sandy clay loam; 29 percent clay; structureless massive; hard, firm, slightly sticky, slightly plastic; 1 percent faint clay films on all faces of peds; 3 percent medium spherical carbonate masses in matrix; 2 percent by volume nonflat rounded indurated 2-10-25 millimeter quartz fragments; violent effervescence; clear wavy boundary.