*** Primary Characterization Data ***

Pedon ID: S79PB935023

( Pohnpei, Federated States of Micronesia )

Print Date: Feb 16 2025 6:07AM

Sampled as on Oct 30, 1979:	Naniak
Revised to correlated:	Naniak ; Fine, mixed, active, nonacid, isohyperthermic Typic Sulfaquents

				United States Department of Agriculture
SSL	-	Project	CP79TQ212   CAROLINE ISLANDS	Natural Resources Conservation Service
	-	Site ID	S79PB935023   Lat: 7° 24' 25.21" north  Long: 134° 30' 31.22" east  MLRA: 195	National Soil Survey Center
	-	Pedon No.	79P0336	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
79P01754	A1	A11	0-15					SCL
79P01755	A2	A12	15-30					SCL
79P01756	AC	AC	30-46					CL
79P01757	C1	C1	46-61					CL
79P01758	C2	C2	61-76					CL
79P01759	C3	C3	76-127					L
79P01760	C4	C4	127-152					CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	29	% wt
Clay, total, Weighted Average	29	% wt
Volume, >2mm, Weighted Average	35	% vol
CEC Activity, CEC7/Clay, Weighted Average	1.57	(NA)
Weighted Particles, 0.1-75mm, 75 mm Base	66	% wt
Weighted averages based on control section: 25-100 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	3B1	3B1	3B1
79P01754	0-15	A1	S	scl	25.1	24.4	50.5			10.8	13.6	5.8	4.1	9.7	16.7	14.2	24	17	--	67	41
79P01755	15-30	A2	S	scl	27.4	24.0	48.6			12.1	11.9	5.3	3.9	8.8	15.3	15.3	20	13	--	62	33
79P01756	30-46	AC	S	cl	28.4	38.5	33.1			23.5	15.0	4.0	3.7	5.0	9.3	11.1	31	13	--	60	44
79P01757	46-61	C1	S	cl	31.2	33.9	34.9			20.8	13.1	4.6	2.3	4.2	10.2	13.6	27	13	--	58	40
79P01758	61-76	C2	S	cl	31.3	29.7	39.0			19.4	10.3	5.8	3.2	5.3	10.1	14.6	23	15	--	59	38
79P01759	76-127	C3	S	l	26.2	31.1	42.7			21.8	9.3	3.1	2.0	5.7	14.6	17.3	16	26	24	79	66
79P01760	127-152	C4	S	cl	28.5	29.2	42.3			18.5	10.7	3.2	4.6	4.7	10.5	19.2	26	9	--	60	35

*** Primary Characterization Data ***

Pedon ID: S79PB935023

( Pohnpei, Federated States of Micronesia )

Print Date: Feb 16 2025 6:07AM

Sampled As	:	Naniak
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0336

---

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
79P01754	0-15	A1	S							45.6						2.37	1.82
79P01754	0-15	A1	M									2.630
79P01755	15-30	A2	S							39.3						1.54	1.43
79P01755	15-30	A2	M									2.150
79P01756	30-46	AC	S							26.7						1.56	0.94
79P01756	30-46	AC	M									2.070
79P01757	46-61	C1	S							23.9						1.08	0.77
79P01757	46-61	C1	M									1.660
79P01758	61-76	C2	S							24.6						1.21	0.79
79P01758	61-76	C2	M									1.700
79P01759	76-127	C3	S							21.0						2.10	0.80
79P01759	76-127	C3	M									1.620
79P01760	127-152	C4	S							22.1						1.06	0.78
79P01760	127-152	C4	M									1.730

---

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 - - - - -)
								6A1c		6C2b
79P01754	0-15	A1	S					11.04		0.8
79P01755	15-30	A2	S					10.97		0.6
79P01756	30-46	AC	S					9.83		0.8
79P01757	46-61	C1	S					5.35		0.4
79P01758	61-76	C2	S					5.81		0.6
79P01759	76-127	C3	S					3.58		0.6
79P01760	127-152	C4	S					6.15		0.5

*** Primary Characterization Data ***

Pedon ID: S79PB935023

( Pohnpei, Federated States of Micronesia )

Print Date: Feb 16 2025 6:07AM

Sampled As	:	Naniak
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0336

---

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
79P01754	0-15	A1	S	12.8*	30.5	63.3	3.0	109.6	33.4	7.0		143.0	59.6	116.6	6	77	100
79P01755	15-30	A2	S	10.9*	25.8	48.9	2.1	87.7	25.7	16.1		113.4	42.1	103.8	16	77	100
79P01756	30-46	AC	S	13.0*	27.8	48.8	2.5	92.1	42.1	18.4		134.2	44.2	110.5	17	69	100
79P01757	46-61	C1	S	5.2*	15.3	30.5	2.2	53.2	16.7	14.8		69.9	33.7	68.0	22	76	100
79P01758	61-76	C2	S	10.1*	19.5	31.1	2.4	63.1	31.5	14.8		94.6	37.8	77.9	19	67	100
79P01759	76-127	C3	S	7.3*	22.6	34.5	4.5	68.9	15.8	16.3		84.7	55.1	85.2	19	81	100
79P01760	127-152	C4	S	6.7*	16.8	25.7	2.5	51.7	22.3	99.9		74.0	30.2	151.6	66	70	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 - -)

%

79P01754

0-15

A1

S

100*

79P01755

15-30

A2

S

100*

79P01756

30-46

AC

S

100*

79P01757

46-61

C1

S

91

79P01758

61-76

C2

S

82

79P01759

76-127

C3

S

63

79P01760

127-152

C4

S

85

^*ESP set to 100, Na exceeds measured exchange capacity.

*** Primary Characterization Data ***

Pedon ID: S79PB935023

( Pohnpei, Federated States of Micronesia )

Print Date: Feb 16 2025 6:07AM

Sampled As	:	Naniak
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0336

---

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			4C1a1a1
79P01754	0-15	A1	S		4.7	4.7			6.9
79P01755	15-30	A2	S		4.6	4.7			6.8
79P01756	30-46	AC	S		3.2	3.2			7.2
79P01757	46-61	C1	S		4.4	4.4			7.6
79P01758	61-76	C2	S		2.8	2.7			7.5
79P01759	76-127	C3	S		3.3	3.2			7.6
79P01760	127-152	C4	S		3.2	3.2			7.8

*** Primary Characterization Data ***

Pedon ID: S79PB935023

( Pohnpei, Federated States of Micronesia )

Print Date: Feb 16 2025 6:07AM

Sampled As	:	Naniak
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  79P0336

---

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

79P01754

0.0-15.0

A1

tcly

GI 1

KH 1

KH 22

GI 3

5.1

0.5

79P01755

15.0-30.0

A2

tcly

GI 1

KH 1

GE 1

KH 15

GI 4

6.9

0.6

79P01756

30.0-46.0

AC

tcly

GI 1

KH 1

GE 1

KH 15

GI 5

8.7

0.4

79P01757

46.0-61.0

C1

tcly

VR 2

GI 2

KH 1

GE 1

KH 16

GI 4

14.3

0.5

79P01758

61.0-76.0

C2

tcly

VR 2

GI 2

KH 1

GE 1

KH 16

GI 4

13.0

0.4

79P01759

76.0-127.0

C3

tcly

VR 2

GI 2

KH 1

GE 1

KH 15

GI 4

14.2

0.4

79P01760

127.0-152.0

C4

tcly

VR 2

GI 2

KH 1

GE 1

HE 1

KH 20

GI 4

14.3

0.4

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
GE Goethite	GI Gibbsite	HE Hematite	KH Halloysite	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks