*** Primary Characterization Data ***
Pedon ID: 78CA033029( Lake, California )Print Date: Nov 24 2024 5:18AM

Sampled as on Jun 29, 1978:Montaba V ; Clayey, serpentinitic, thermic Lithic Argixeroll
Revised to correlated:Okiota ; Loamy, magnesic, thermic Lithic Argixerolls
United States Department of Agriculture
SSL-ProjectCP78CA178   NAPA AND LAKE COUNTIESNatural Resources Conservation Service
-Site IDS1978CA033029   Lat: 39° 6' 33.54" north  Long: 122° 55' 34.90" west  MLRA: 15National Soil Survey Center
-Pedon No. 78P0464Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
78P02604A1A110-3COSL
78P02605A2A123-15SCL
78P02606BtB2t15-40CL
78P02607RR40-55
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.68(NA)
Clay, carbonate free, Weighted Average32% wt
Weighted Particles, 0.1-75mm, 75 mm Base54% wt
Volume, >2mm, Weighted Average19% vol
Clay, total, Weighted Average32% wt
 
Weighted averages based on control section: 15-40 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
 
78P026040-3A1Scosl13.125.261.716.19.18.613.38.414.816.688--6128
78P026053-15A2Sscl22.822.454.812.69.87.110.26.913.816.89325523
78P0260615-40BtScl31.924.144.013.011.19.012.16.08.18.884175431
78P0260740-55RS------


*** Primary Characterization Data ***
Pedon ID: 78CA033029( Lake, California )Print Date: Nov 24 2024 5:18AM
Sampled As:Montaba VClayey, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0464
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
 
78P026040-3A1S1.1015.51.0221.371.18
78P026053-15A2S1.491.570.01520.513.01.0280.100.840.57
78P0260615-40BtS1.371.490.02323.615.01.0310.090.680.47
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 - - - - -)
6B1b6A1c6C2b6G7a
 
78P026040-3A1S0.2282.86131.90.1
78P026053-15A2S0.0490.60122.00.1
78P0260615-40BtS0.0400.44112.10.1
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
 
78P026040-3A1S2.314.5tr0.44.018.08196
78P026053-15A2S1.516.7tr0.23.219.18596
78P0260615-40BtS1.5*20.3tr0.22.521.690100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.


*** Primary Characterization Data ***
Pedon ID: 78CA033029( Lake, California )Print Date: Nov 24 2024 5:18AM
Sampled As:Montaba VClayey, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0464
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 - -)%
 
78P026040-3A1S--
78P026053-15A2S--
78P0260615-40BtS--
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
 
78P026040-3A1S6.56.9--
78P026053-15A2S6.57.3--
78P0260615-40BtS6.77.4tr


*** Primary Characterization Data ***
Pedon ID: 78CA033029( Lake, California )Print Date: Nov 24 2024 5:18AM
Sampled As:Montaba VClayey, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0464
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
DepthFract7A2i7A3b 7C3 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
78P026053.0-15.0A2tclyMT 3AG 3VR 2KK 2MI 1 11.0 0.3
78P0260615.0-40.0BttclyMT 3AG 3KK 2VR 1 KK tr

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
AG AntigoriteKK KaoliniteMI MicaMT MontmorilloniteVR Vermiculite

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


*** Primary Characterization Data ***
Pedon ID: 78CA033029( Lake, California )Print Date: Nov 24 2024 5:18AM
Sampled As:Montaba VClayey, serpentinitic, thermic Lithic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  78P0464
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-RayThermalOpticalEGMEInter
Tot ReGrain CountRetnpreta
DepthFract 7B1a2 tion
Layer(cm)Horzion( - - - - - - - - peak size - - - - - - - - - )(- - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -) mg g-1
78P026053.0-15.0A2fs GA 3GS 3
78P0260615.0-40.0Btfs GA 4

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
GA Glass AggregatesGS Glass
NSSC SSL Report Creation