*** Taxonomy Characterization Data ***

Pedon ID: S81TX171002

( Gillespie, Texas )

Print Date: Apr 27 2025 11:56AM

Sampled as on Aug 17, 1982:	Speck variant
Revised to correlated:	Speck ; Clayey, smectitic, superactive, thermic Lithic Argiustolls

				State of Texas
SSL	-	Project	TX201201   Texas A&M University 2012 Project 1	Texas A&M University
	-	Site ID	S81TX171002   Lat: 30° 17' 12.70" north  Long: 99° 5' 32.31" west  MLRA: 81B	University Soil Laboratory
	-	Pedon No.	S81TX171002	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		College Station, Texas

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Taxonomy Tier 1

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

Fine

CaCO3

1500

.1-75

Bulk

Cole

Vol

Resist

Clay

Clay

Clay

kPa

Clay

mm

Den

Whole

% of

Min

Depth

<.002

<.0002

<.002

/Clay

Est

Frac

33 kPa

Soil

Whole

%

Layer

(cm)

Horz

Prep

(---------% of <2 mm-------)

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

g cm-3

cm cm-1

3A1a1a

3A1a1a

DbWR1

TAMU1277

0-13

A

S

25.4

14.2

1.29

0.077

TAMU1278

13-27

Bt1

S

50.7

40.0

1.25

0.140

TAMU1279

27-41

Bt2

S

60.8

48.2

1.25

0.138

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Taxonomy Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-
				pH	pH	Org	Tot	Al+½ Fe		CO3 as	(--- Base Sat ---)		NZ	ECEC	CEC7	ECEC	Al
	Depth			H2O	NaF	C	C	Oxal	ODOE	CaCO3	NH4	Bases	P Ret	cmol(+)	/Clay	/Clay	Sat	E C	ESP
Layer	(cm)	Horz	Prep			(------------------------------------------ % --------------------------------------------)								kg -1			%	dS m-1	%
				8C1a			6A2a											SATP_TAMU
TAMU1277	0-13	A	S	6.7			2.12				100*				0.76			0.50	--
TAMU1278	13-27	Bt1	S	6.4			1.13				100*				0.55			0.40	--
TAMU1279	27-41	Bt2	S	6.5			1.23				100*				0.55			0.30	--
TAMU1280	41	R	S				14.31

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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