*** Primary Characterization Data ***

Pedon ID: 76VA037001

( Charlotte, Virginia )

Print Date: Feb 17 2026 3:33PM

Sampled as :	Cecil ; Clayey, kaolinitic, thermic Typic Hapludult
Revised to :

				United States Department of Agriculture
SSL	-	Project	RP78VA147   MICACEOUS SOIL STUDY	Natural Resources Conservation Service
	-	Site ID	76VA037001	National Soil Survey Center
	-	Pedon No.	78P0398	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
78P02180	Bt	B21t	33-64					C
78P02181			168-183					SL
78P02182			183-216					SCL

---

---

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	3B1	3B1	3B1
78P02180	33-64	Bt	S	c	56.7	18.1	25.2			11.9	6.2	6.7	10.0	3.6	3.1	1.8	tr	--	--	19	tr
78P02181	168-183		S	sl	18.0	15.5	66.5			7.4	8.1	11.2	20.1	10.7	14.1	10.4	1	tr	--	56	1
78P02182	183-216		S	scl	20.4	12.8	66.8			5.3	7.5	13.7	30.8	10.9	8.6	2.8	1	tr	--	54	1

---

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
78P02180	33-64	Bt	S							24.6		1.028				0.16	0.44
78P02181	168-183		S							12.7		1.019				0.26	0.71
78P02182	183-216		S							12.6		1.017				0.29	0.62

*** Primary Characterization Data ***

Pedon ID: 76VA037001

( Charlotte, Virginia )

Print Date: Feb 17 2026 3:33PM

Sampled As	:	Cecil		Clayey, kaolinitic, thermic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0398

---

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

78P02180

33-64

Bt

S

0.018

0.19

11

6.3

78P02181

168-183

S

0.04

3.9

78P02182

183-216

S

0.05

3.2

---

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	6G1e		5A3a	5A8a	5A3b	5G1	5C3	5C1
78P02180	33-64	Bt	S	1.0	1.4	--	0.2	2.6	9.8	2.0		12.4	9.3	4.6	43	21	28
78P02181	168-183		S	tr	0.3	tr	0.1	0.4	4.7	1.3		5.1	4.6	1.7	76	8	9
78P02182	183-216		S	--	0.4	--	tr	0.4	5.5	2.4		5.9	6.0	2.8	86	7	7

---

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 - -)		%
78P02180	33-64	Bt	S																			--
78P02181	168-183		S																			--
78P02182	183-216		S																			--

*** Primary Characterization Data ***

Pedon ID: 76VA037001

( Charlotte, Virginia )

Print Date: Feb 17 2026 3:33PM

Sampled As	:	Cecil		Clayey, kaolinitic, thermic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0398

---

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

78P02180

33-64

Bt

S

4.4

5.2

78P02181

168-183

S

4.3

5.2

78P02182

183-216

S

4.2

5.1

*** Primary Characterization Data ***

Pedon ID: 76VA037001

( Charlotte, Virginia )

Print Date: Feb 17 2026 3:33PM

Sampled As	:	Cecil		Clayey, kaolinitic, thermic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0398

---

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

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

78P02180

33.0-64.0

Bt

tcly

KK 3

VR 1

KK 58

GI 6

14.3

--

78P02181

168.0-183.0

tcly

KK 4

VR 1

KK 42

10.0

--

78P02182

183.0-216.0

tcly

KK 4

VR 1

KK 52

GI 2

12.4

--

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
GI Gibbsite	KK Kaolinite	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 76VA037001

( Charlotte, Virginia )

Print Date: Feb 17 2026 3:33PM

Sampled As	:	Cecil		Clayey, kaolinitic, thermic Typic Hapludult
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  78P0398

---

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

78P02180

33.0-64.0

Bt

fs

90

QZ 44

KK 44

AR 9

OP 2

FK 1

78P02181

168.0-183.0

fs

80

QZ 47

KK 31

AR 19

OP 2

EP 1

78P02182

183.0-216.0

fs

84

KK 62

QZ 20

BT 16

OP 2

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	EP Epidote	FK Potassium Feldspar	KK Kaolinite
OP Opaques	QZ Quartz