*** Primary Characterization Data ***
Pedon ID: 78CA033021( Lake, California )Print Date: Apr 12 2026 7:59AM

Sampled as on Jul 1, 1978:Henneke ; Clayey-skeletal, serpentinitic, thermic Lithic Argixeroll
Revised to correlated:Henneke ; Clayey-skeletal, magnesic, thermic Lithic Argixerolls
United States Department of Agriculture
SSL-ProjectCP78CA178   NAPA AND LAKE COUNTIESNatural Resources Conservation Service
-Site IDS1978CA033021   Lat: 38° 45' 50.58" north  Long: 122° 35' 49.86" west  MLRA: 15National Soil Survey Center
-Pedon No. 78P0456Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
78P02553AA10-9L
78P02554Bt1B21t9-26CL
78P02555Bt2B22t26-41CL
78P02556Bt3B23t41-50SCL
78P02557RR50-60
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.89(NA)
Clay, carbonate free, Weighted Average30% wt
Weighted Particles, 0.1-75mm, 75 mm Base61% wt
Volume, >2mm, Weighted Average36% vol
Clay, total, Weighted Average30% wt
 
Weighted averages based on control section: 9-50 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) )
LabClaySiltSandFineCO3FineCoarseVFFMCVC(- - - - - - - - Weight - - - - - - - -)>2 mm
Text-<.002.05<<.002.02.05.10.25.512520.1-wt %
Depthure.002-.05-2.0002.002-.02-.05-.10-.25-.50-1-2-5-20-7575whole
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)(- - - - - - - % of <75mm - - - - - -)soil
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
78P025530-9ASl18.534.846.723.211.65.96.44.27.822.4423469
78P025549-26Bt1Scl32.934.532.622.611.95.85.73.45.512.2trtr274734
78P0255526-41Bt2Scl33.034.832.222.712.18.56.63.34.89.022506565
78P0255641-50Bt3Sscl21.625.053.414.410.69.19.25.09.520.625608278
78P0255750-60RS------


*** Primary Characterization Data ***
Pedon ID: 78CA033021( Lake, California )Print Date: Apr 12 2026 7:59AM
Sampled As:HennekeClayey-skeletal, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0456
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 )WRDAggst
33OvenWhole6103315001500 kPa(- - - - Ratio - - - -)WholeStabl(- - Ratio/Clay - -)
DepthkPaDrySoilkPakPakPakPaMoistCorrectedSoil2-0.5mm CEC71500 kPa
Layer(cm)HorzPrep (- - - g cm-3 - - -) (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) cm3 cm-3%
4A1d4A1h4B1c3C2a1a3D14C18D18D1
 
78P025530-9AS1.071.150.02339.820.01.0260.201.131.08
78P025549-26Bt1S1.051.290.05745.326.11.0440.170.840.79
78P0255526-41Bt2S1.071.400.05047.531.41.0530.100.880.95
78P0255641-50Bt3S1.1028.51.0411.031.32
Water Content-1--2--3--4--5--6--7--8--9--10--11--12--13-
 
(- - Atterberg - -)(- - - - - Bulk Density - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
(- - - Limits - - -)FieldReconReconFieldRecon(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
LLPI33Oven3361033100200500
DepthkPaDrykPakPakPakPakPakPakPa
Layer(cm)HorzPreppct <0.4mm(- - - - - - - - g cm-3 - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
4F14F
 
78P0255526-41Bt2S6528
Carbon  &  Extractions-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19-
 
(- - - - - Total - - - - -)EstOCC/N(- - - Dith-Cit Ext - - -)(- - - - - - Ammonium Oxalate Extraction - - - - - -)(- - - Na Pyro-Phosphate - - -)
DepthCNSOC(WB)RatioFeAlMnAl+½FeODOEFeAlSiMnCFeAlMn
Layer(cm)HorzPrep(- - - - - - - - - - % of <2 mm - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)mg kg-1(- - - - - - % of < 2mm - - - - -)
6A1c6C2b6G7a
 
78P025530-9AS1.853.90.1
78P025549-26Bt1S1.270.90.1
78P0255526-41Bt2S0.740.80.1
78P0255641-50Bt3S0.473.0tr


*** Primary Characterization Data ***
Pedon ID: 78CA033021( Lake, California )Print Date: Apr 12 2026 7:59AM
Sampled As:HennekeClayey-skeletal, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0456
CEC  &  Bases-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(- - - - - - NH4OAC Extractable Bases - - - - -)CEC8CEC7ECEC(- - - - Base - - - -)
SumAcid-ExtrKClSumNH4BasesAl(- Saturation -)
DepthCaMgNaKBasesityAlMnCatsOAC+AlSatSumNH4OAC
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)mg kg-1(- - - - cmol(+) kg-1 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H2b5A8a5C35C1
 
78P025530-9AS3.016.80.10.14.920.98096
78P025549-26Bt1S1.325.3tr0.14.327.58697
78P0255526-41Bt2S0.3*29.50.10.13.429.090100
78P0255641-50Bt3S0.1*22.4trtr2.522.390100

*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
TotalElecElecExch
DepthCaMgNaKCO3HCO3FClPO4BrOACSO4NO2NO3H2OSaltsCondCondNaSAR
Layer(cm)HorzPrep(- - - - - mmol(+) L-1 - - - - -)(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)(- - - - % - - - -)(- - dS m-1 - -)%
 
78P025530-9AStr
78P025549-26Bt1S--
78P0255526-41Bt2Str
78P0255641-50Bt3S--
pH  &  Carbonates-1--2--3--4--5--6--7--8--9--10--11-
 
(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)(- - Carbonate - -)(- - Gypsum - - -)
CaCl2As CaCO3As CaSO4*2H2OResist
Depth0.01MH2OSat<2mm<20mm<2mm<20mmohms
Layer(cm)HorzPrepKCl1:21:1PasteOxidNaF(- - - - - - - - - - - - % - - - - - - - - - - -)cm-1
8C1e8C1a6E1b
 
78P025530-9AS6.57.3--
78P025549-26Bt1S6.77.4--
78P0255526-41Bt2S6.97.5--
78P0255641-50Bt3S6.97.5--


*** Primary Characterization Data ***
Pedon ID: 78CA033021( Lake, California )Print Date: Apr 12 2026 7:59AM
Sampled As:HennekeClayey-skeletal, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0456
Clay Mineralogy (<.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalElementalEGMEInter
SiO2Al2O3Fe2O3MgOCaOK2ONa2ORetnpreta
DepthFract7A2i tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
78P025530.0-9.0AtclyAG 2KK 1
78P025549.0-26.0Bt1tclyMT 2AG 2KK 1
78P0255526.0-41.0Bt2tclyMT 3AG 2KK 1MI 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
AG AntigoriteKK KaoliniteMI MicaMT Montmorillonite

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks


*** Primary Characterization Data ***
Pedon ID: 78CA033021( Lake, California )Print Date: Apr 12 2026 7:59AM
Sampled As:HennekeClayey-skeletal, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0456
Fine Earth Mineralogy (<2.0 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalElementalEGMEInter
SiO2Al2O3Fe2O3MgOCaOK2ONa2ORetnpreta
DepthFract7A2i tion
Layer(cm)Horzion( - - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)mg g-1
78P025530.0-9.0AfethAG 4
78P025549.0-26.0Bt1fethAG 4MT 1
78P0255526.0-41.0Bt2fethAG 4MT 1
78P0255641.0-50.0Bt3fethAG 5MT 2
78P0255750.0-60.0RfethAG 5

FRACTION INTERPRETATION:
feth - Fine Earth <2 mm

MINERAL INTERPRETATION:
AG AntigoriteMT Montmorillonite

););
RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks
NSSC SSL Report Creation