*** Primary Characterization Data ***

Pedon ID: 84CA105005

( Trinity, California )

Print Date: May 20 2024 4:32AM

Sampled as on Aug 1, 1984:	Sheetiron ; Loamy-skeletal, micaceous, mesic Dystric Xerochrept
Revised to correlated:	Sheetiron ; Loamy-skeletal, mixed, mesic Dystric Xerochrepts

				United States Department of Agriculture
SSL	-	Project	RP85CA014   TRINITY COUNTY	Natural Resources Conservation Service
	-	Site ID	S1984CA105005   Lat: 40° 32' 32.46" north  Long: 122° 49' 33.97" west  MLRA: 5	National Soil Survey Center
	-	Pedon No.	85P0045	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
85P00234	A	A	0-10				L	COSL
85P00235	Bw1	Bw1	10-25				L	SL
85P00236	Bw2	Bw2	25-48				L	SL
85P00237	C	C	48-61				L	SL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.35	(NA)
Clay, carbonate free, Weighted Average	7	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	74	% wt
Volume, >2mm, Weighted Average	42	% vol
Clay, total, Weighted Average	7	% wt
Weighted averages based on control section: 25-61 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
85P00234	0-10	A	S	cosl	5.9	29.2	64.9			16.5	12.7	10.2	12.9	9.6	13.0	19.2	15	62	2	90	81
85P00235	10-25	Bw1	S	sl	7.4	30.9	61.7			17.7	13.2	12.1	15.1	11.0	11.6	11.9	12	27	4	71	51
85P00236	25-48	Bw2	S	sl	7.2	31.2	61.6			17.3	13.9	11.8	14.7	10.9	12.3	11.9	13	28	8	74	56
85P00237	48-61	C	S	sl	7.5	33.1	59.4			17.8	15.3	12.7	15.3	10.7	10.0	10.7	10	36	3	73	59

*** Primary Characterization Data ***

Pedon ID: 84CA105005

( Trinity, California )

Print Date: May 20 2024 4:32AM

Sampled As	:	Sheetiron		Loamy-skeletal, micaceous, mesic Dystric Xerochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0045

---

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
85P00234	0-10	A	S							8.4		1.019				4.29	1.42
85P00235	10-25	Bw1	S							7.0		1.013				1.59	0.95
85P00236	25-48	Bw2	S							6.6		1.011				1.38	0.92
85P00237	48-61	C	S							6.3		1.011				1.29	0.84

---

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

85P00234

0-10

A

S

5.28

85P00235

10-25

Bw1

S

1.59

85P00236

25-48

Bw2

S

1.08

85P00237

48-61

C

S

0.90

---

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		6H5a	6G9a		5A3a	5A8b	5A3b	5G1	5C3	5C1
85P00234	0-10	A	S	15.2	1.8	tr	0.6	17.6	16.6			34.2	25.3			51	70
85P00235	10-25	Bw1	S	3.8	0.9	tr	0.3	5.0	10.0			15.0	11.8			33	42
85P00236	25-48	Bw2	S	2.1	0.7	tr	0.1	2.9	9.2	1.0		12.1	9.9	3.9	26	24	29
85P00237	48-61	C	S	2.0	0.7	tr	0.2	2.9	9.1	1.4		12.0	9.7	4.3	33	24	30

*** Primary Characterization Data ***

Pedon ID: 84CA105005

( Trinity, California )

Print Date: May 20 2024 4:32AM

Sampled As	:	Sheetiron		Loamy-skeletal, micaceous, mesic Dystric Xerochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0045

---

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 - -)

%

85P00234

0-10

A

S

--

85P00235

10-25

Bw1

S

--

85P00236

25-48

Bw2

S

--

85P00237

48-61

C

S

--

---

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

4C1a2a

4C1a2a

85P00234

0-10

A

S

5.3

6.1

85P00235

10-25

Bw1

S

5.2

5.7

85P00236

25-48

Bw2

S

4.6

5.4

85P00237

48-61

C

S

4.5

5.3

*** Primary Characterization Data ***

Pedon ID: 84CA105005

( Trinity, California )

Print Date: May 20 2024 4:32AM

Sampled As	:	Sheetiron		Loamy-skeletal, micaceous, mesic Dystric Xerochrept
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0045

---

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

85P00236

25.0-48.0

Bw2

vfs

 

 

 

 

 

 

 

 

 

38

QZ 35

BT 21

FK 14

EP 7

MS 6

FP 6

 

 

 

 

 

 

 

 

 

 

 

CL 4

AR 2

OP 2

GS 1

RA 1

AM tr

 

85P00237

48.0-61.0

C

vfs

 

 

 

 

 

 

 

 

 

29

FK 34

QZ 26

BT 20

EP 5

MS 4

CL 4

 

 

 

 

 

 

 

 

 

 

 

FP 3

OP 2

AR 1

GS 1

AM 1

RA 1

 

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

MINERAL INTERPRETATION:
AM Amphibole	AR Weatherable Aggregates	BT Biotite	CL Chlorite	EP Epidote
FK Potassium Feldspar	FP Plagioclase Feldspar	GS Glass	MS Muscovite	OP Opaques
QZ Quartz	RA Resistant Aggregates