*** Primary Characterization Data ***

Pedon ID: 79TX163001

( Frio, Texas )

Print Date: Apr 25 2024 5:38PM

Sampled as on Jun 29, 1979:	Duval ; Fine-loamy, mixed, hyperthermic Aridic Haplustalfs
Revised to correlated on Jun 29, 1984:	Duval ; Fine-loamy, siliceous, hyperthermic Aridic Haplustalfs

				United States Department of Agriculture
SSL	-	Project	CP79TX210   FRIO AND ZAVALA COUNTIES	Natural Resources Conservation Service
	-	Site ID	S1979TX163001   Lat: 28° 43' 15.00" north  Long: 99° 9' 25.00" west  MLRA: 83A	National Soil Survey Center
	-	Pedon No.	79P0329	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
79P01714	Ap	Ap	0-5				FSL	VFSL
79P01715	A	A1	18-41				FSL	VFSL
79P01716	Bt1	B21t	41-56				SCL	SCL
79P01717	Bt2	B22t	56-86				SCL	SCL
79P01718	Bt3	B23t	86-112				SCL	SCL
79P01719	B	B3	112-132				SCL	SCL
79P01720	Crk	Crca	132-183					VFSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, total, Weighted Average	24	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	15	% wt
CEC Activity, CEC7/Clay, Weighted Average	0.52	(NA)
Clay, carbonate free, Weighted Average	24	% wt
Volume, >2mm, Weighted Average	3	% vol
Weighted averages based on control section: 41-91 cm

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a		3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
79P01714	0-5	Ap	S	vfsl	12.6	9.3	78.1			3.2	6.1	65.3	11.2	1.2	0.4	tr	tr	tr	--	13	tr
79P01715	18-41	A	S	vfsl	12.2	9.2	78.6			3.7	5.5	65.7	11.1	1.2	0.3	0.3	tr	--	--	13	tr
79P01716	41-56	Bt1	S	scl	20.5	9.0	70.5			4.1	4.9	59.3	9.5	1.2	0.3	0.2	tr	tr	--	11	tr
79P01717	56-86	Bt2	S	scl	25.1	9.1	65.8			4.5	4.6	54.8	8.4	0.9	0.5	1.2	3	4	--	17	7
79P01718	86-112	Bt3	S	scl	26.3	9.9	63.8			4.9	5.0	54.3	7.3	0.9	0.5	0.8	3	4	--	16	7
79P01719	112-132	B	S	scl	25.2	9.3	65.5		1.4	5.8	3.5	58.4	5.7	0.7	0.5	0.2	1	9	--	16	10
79P01720	132-183	Crk	S	vfsl	8.2	14.7	77.1		2.8	11.4	3.3	67.4	3.3	1.9	2.5	2.0	10	24	12	51	46

*** Primary Characterization Data ***

Pedon ID: 79TX163001

( Frio, Texas )

Print Date: Apr 25 2024 5:38PM

Sampled As	:	Duval		Fine-loamy, mixed, hyperthermic Aridic Haplustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0329

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
										3C2a1a		3D1				8D1	8D1
79P01714	0-5	Ap	S							4.7		1.008				0.50	0.37
79P01715	18-41	A	S							4.7		1.008				0.52	0.39
79P01716	41-56	Bt1	S							7.7		1.014				0.50	0.38
79P01717	56-86	Bt2	S							9.5		1.019				0.52	0.38
79P01718	86-112	Bt3	S							10.3		1.019				0.56	0.39
79P01719	112-132	B	S							10.1		1.019				0.56	0.40
79P01720	132-183	Crk	S							5.4		1.011				0.98	0.66

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
					6B1b			6A1c		6C2b	6G7a
79P01714	0-5	Ap	S		0.037			0.36	10	1.1	0.1
79P01715	18-41	A	S		0.032			0.30	9	1.0	0.1
79P01716	41-56	Bt1	S		0.042			0.36	9	1.5	0.1
79P01717	56-86	Bt2	S					0.32		1.7	0.1
79P01718	86-112	Bt3	S					0.30		1.9	0.1
79P01719	112-132	B	S					0.27		1.8	0.1
79P01720	132-183	Crk	S					0.11		1.0	0.1

*** Primary Characterization Data ***

Pedon ID: 79TX163001

( Frio, Texas )

Print Date: Apr 25 2024 5:38PM

Sampled As	:	Duval		Fine-loamy, mixed, hyperthermic Aridic Haplustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0329

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H2b			5A3a	5A8a			5C3	5C1
79P01714	0-5	Ap	S	4.3	1.1	--	0.7	6.1	2.2			8.3	6.3			73	97
79P01715	18-41	A	S	4.5	1.1	--	0.5	6.1	2.2			8.3	6.3			73	97
79P01716	41-56	Bt1	S	7.8	1.7	0.1	0.5		1.8				10.2			85	99
79P01717	56-86	Bt2	S	11.4*	1.3	0.3	0.3		0.7				13.1			95	100
79P01718	86-112	Bt3	S	15.3*	1.4	0.3	0.3		--				14.6			100	100
79P01719	112-132	B	S	37.4*	1.5	0.3	0.3						14.0			100	100
79P01720	132-183	Crk	S	44.8*	1.2	0.1	0.1						8.0			100	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

---

Salt

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

-19-

-20-

(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)

1:2

Total

Elec

Elec

Exch

Depth

Ca

Mg

Na

K

CO3

HCO3

F

Cl

PO4

Br

OAC

SO4

NO2

NO3

H2O

Salts

Cond

Cond

Na

SAR

Layer

(cm)

Horz

Prep

(- - - - - mmol(+) L-1 - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)

(- - - - % - - - -)

(- - dS m-1 - -)

%

79P01714

0-5

Ap

S

--

79P01715

18-41

A

S

--

79P01716

41-56

Bt1

S

1

79P01717

56-86

Bt2

S

2

79P01718

86-112

Bt3

S

2

79P01719

112-132

B

S

2

79P01720

132-183

Crk

S

1

*** Primary Characterization Data ***

Pedon ID: 79TX163001

( Frio, Texas )

Print Date: Apr 25 2024 5:38PM

Sampled As	:	Duval		Fine-loamy, mixed, hyperthermic Aridic Haplustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0329

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
					8C1e	8C1a				6E1b
79P01714	0-5	Ap	S		5.8	6.5
79P01715	18-41	A	S		5.8	6.5
79P01716	41-56	Bt1	S		6.1	6.9				--
79P01717	56-86	Bt2	S		6.8	7.4				--
79P01718	86-112	Bt3	S		7.3	7.7				tr
79P01719	112-132	B	S		7.5	7.9				2
79P01720	132-183	Crk	S		7.9	8.1				13

*** Primary Characterization Data ***

Pedon ID: 79TX163001

( Frio, Texas )

Print Date: Apr 25 2024 5:38PM

Sampled As	:	Duval		Fine-loamy, mixed, hyperthermic Aridic Haplustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0329

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

7A3b

&nbsp;

7C3

&nbsp;

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

79P01715

18.0-41.0

A

tcly

MI 2

KK 2

&nbsp;

&nbsp;

&nbsp;

KK 3

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

9.3

&nbsp;

&nbsp;

1.6

&nbsp;

&nbsp;

&nbsp;

79P01717

56.0-86.0

Bt2

tcly

KK 3

MT 2

MI 2

&nbsp;

&nbsp;

KK 21

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

9.4

&nbsp;

&nbsp;

1.3

&nbsp;

&nbsp;

&nbsp;

79P01719

112.0-132.0

B

tcly

KK 3

MT 3

MI 2

&nbsp;

&nbsp;

KK 22

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

10.0

&nbsp;

&nbsp;

1.3

&nbsp;

&nbsp;

&nbsp;

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	 	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 79TX163001

( Frio, Texas )

Print Date: Apr 25 2024 5:38PM

Sampled As	:	Duval		Fine-loamy, mixed, hyperthermic Aridic Haplustalfs
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0329

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

 

 

 

7B1a2

 

tion

Layer

(cm)

Horz

ion

( - - - - - - - - peak size - - - - - - - - - )

(- - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)

mg g-1

79P01717

56.0-86.0

Bt2

vfs

 

 

 

 

 

 

 

 

 

94

QZ 93

FK 5

AR 2

OP 1

 

 

 

 

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm	 	 	 	 

MINERAL INTERPRETATION:
AR Weatherable Aggregates	FK Potassium Feldspar	OP Opaques	QZ Quartz