IDENTIFIERS

Current Taxon Name (Soil Name): Typic Haploxerepts

OSD

Series Extent

User Site ID: S2009CA630SMM005

User Pedon ID: S09CA109005

Vegetation Plot ID: S2009CA630SMM005

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - SSL

Lab Pedon # - 09N0872

NCSS Pedon Lab Data NASIS Record ID - 24491

Print Date: 12/17/2024

LOCATION

Location In Web Soil Survey

AOI is roughly a square mile and pedon is marked in the center.

Location in SoilWeb

Location in Google Maps

Std. Latitude: 37.8822212

Std. Longitude: -120.2624969

Datum: WGS84

Township: 1 S

Range: 16 E

Section: 6

PLSS Details: About 2555 feet north and 2035 feet east of the southwest corner section

Location Description: About 3.5 miles northwest of Groveland, CA

Map Unit: 7210—Deerflat-Millvilla complex, 3 to 15 percent slopes

State: California

County: CA109—Tuolumne

MLRA: 18—Sierra Nevada Foothills

Regional Office: SW—Southwest

Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties

7.5 Minute USGS Quad: 37120-H3—Standard, California

PEDON

Describers Name: Sue Malone

Current Taxonomic Class: Coarse-loamy, mixed, semiactive, mesic Typic Haploxerepts

Current Taxon Kind: taxon above family

Pedon Type: not classified to current taxon name

Pedon Purpose: laboratory sampling site

Correlated Information:

Soil Name - Typic Haploxerepts

PSC - 25 to 100 cm.

Classificaton Date - 12/29/2015

Classifier - Andrew Paolucci

Soil Taxonomic Edition - twelfth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - Haploxerepts coarse-loamy mesic

Classificaton Date - 4/3/2009

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loamy slope alluvium over colluvium and/or residuum weathered from phyllite

Landscape: Sierra Nevada foothills

Landform: eroded fan remnant on hillslope

Geomorphic Component Hills: nose slope

Hill Slope Profile: shoulder

Slope Position: upper third

Slope Complexity: complex

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: medium

Drainage Class: moderately well

Wet Soil Moisture Duration: 20

Bedrock: moderately coherent moderate weathered phyllite at 170cm with 10 to <45

Geology: Sullivan Terranes formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 4/3/2009 (actual site observation date)

Plant Association Name: Montane Hardwood Conifer\cleared pasture

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - pastureland, tame

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
AMSIN CACI2 ERBO PLAGI RAOC	Amsinckia Calandrinia ciliata Erodium botrys Plagiobothrys Ranunculus occidentalis	fiddleneck fringed redmaids longbeak stork's bill popcornflower western buttercup	— — — — —	— — — — —	— — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	—	170 -	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon cambic horizon paralithic contact	0—18 8—155 170—	—- —- —-

Setting and Climate
Slope	Slope Length USLE	Upslope Length	Elev.	Corr. Elev	Aspect	MAP	REAP	FFD	MAAT	MSAT	MWAT	MAST	MSST	MWST	MFFP	PE Index	Climate Station ID	Climate Station Name	Climate Station Type
%	m				degrees	mm	mm		C						mm
7	—	—	705	—	220	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 8 centimeters (0.0 to 3.1 inches); pale brown (10YR 6/3), dark brown (10YR 3/3), moist; fine sandy loam; 35 percent sand; 12 percent clay; moderate medium granular structure; soft, friable, nonsticky, slightly plastic; 8.0 very fine roots and 8.0 fine roots; 8.0 very fine tubular and 3.0 fine tubular pores; iron-manganese masses; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary.

AB—8 to 20 centimeters (3.1 to 7.9 inches); light yellowish brown (10YR 6/4), dark brown (10YR 3/3), moist; loam; 45 percent sand; 14 percent clay; moderate medium angular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 3.0 very fine roots and 3.0 fine roots; 0.8 very fine tubular and 0.8 medium tubular and 3.0 fine tubular pores; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary.

Bw1—20 to 43 centimeters (7.9 to 16.9 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 3/4), moist; silt loam; 40 percent sand; 12 percent clay; moderate coarse angular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.8 very fine roots and 0.8 fine roots; 3.0 very fine tubular and 0.8 fine tubular pores; 10 percent distinct dark gray (10YR 4/1), moist, silt coats on all faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary.

Bw2—43 to 76 centimeters (16.9 to 29.9 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; silt loam; 40 percent sand; 14 percent clay; weak coarse subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.8 very fine roots and 0.8 fine roots; 3.0 very fine tubular and 0.8 medium tubular pores; 20 percent distinct dark gray (10YR 4/1), moist, silt coats on all faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; diffuse smooth boundary.

Bw3—76 to 104 centimeters (29.9 to 40.9 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; silt loam; 50 percent sand; 14 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.8 very fine roots; 3.0 very fine tubular and 0.8 medium tubular and 3.0 fine tubular pores; ; 2 percent fine distinct dark gray (2.5Y 4/1), moist, iron depletions infused into matrix adjacent to pores and 2 percent fine prominent strong brown (7.5YR 4/6), moist, iron-manganese masses in matrix surrounding redox depletions; fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary.

BC—104 to 155 centimeters (40.9 to 61.0 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; cobbly silt loam; 55 percent sand; 14 percent clay; weak coarse subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.8 very fine roots; 3.0 very fine tubular and 0.8 fine tubular pores; 2 percent fine distinct dark reddish gray (2.5YR 4/1), moist, iron depletions infused into matrix adjacent to pores and 2 percent fine prominent strong brown (7.5YR 4/6), moist, iron-manganese masses in matrix surrounding redox depletions; 3 percent by volume nonflat subangular very strongly coherent cemented 2-?-76 millimeter metamorphic, foliated fragments and 10 percent by volume nonflat subrounded indurated 76-?-250 millimeter metamorphic, foliated fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary.

C—155 to 170 centimeters (61.0 to 66.9 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; paragravelly fine sandy loam; 65 percent sand; 12 percent clay; massive; slightly hard, friable, nonsticky, slightly plastic; 0.3 very fine roots; 8.0 very fine interstitial pores; 5 percent fine prominent strong brown (7.5YR 5/6), moist, iron-manganese masses in matrix surrounding redox depletions; 15 percent by volume nonflat moderately coherent cemented 2-?-76 millimeter phyllite fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary.

Cr—170 to 201 centimeters (66.9 to 79.1 inches); bedrock; fragments.