IDENTIFIERS

Current Taxon Name (Soil Name): Moda

OSD

Series Extent

User Site ID: S2015CA103006

User Pedon ID: S2015CA103006

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSSL

Lab Pedon # - 16N0380

NCSS Pedon Lab Data NASIS Record ID - 82575

Print Date: 11/21/2024

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: 40.0605556

Std. Longitude: -122.2018333

Datum: WGS84

Map Unit: KpA—Kimball loam, 0 to 3 percent slopes

State: California

County: CA103—Tehama

MLRA: 17—Sacramento and San Joaquin Valleys

Regional Office: SW—Southwest

MLRA Soil Survey Area: SW-CHI—Chico, California

Non-MLRA Soil Survey Area: CA645—Tehama County, California

PEDON

Describers Name: Andrew Conlin, Ryan Miebach

Current Taxonomic Class: Fine, mixed, superactive, thermic Abruptic Haplic Durixeralfs

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Sampled As Information:

Soil Name - Moda

Taxonomic Class - Fine, mixed, superactive, thermic Abruptic Haplic Durixeralfs

Taxon Kind - taxadjunct

PSC - 8 to 56 cm.

Classificaton Date - 5/20/2015

Classifier - Andrew Conlin

Soil Taxonomic Edition - twelfth edition

Moisture Class - xeric

Moisture SUBClass - oxyaquic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loamy alluvium derived from metamorphic and sedimentary rock over silty and clayey alluvium derived from metamorphic and sedimentary rock over cemented and nearly cemented loamy alluvium derived from metamorphic and sedimentary rock

Landscape: valley

Landform: blown out fan remnant

Geomorphic Component Terraces: tread

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: somewhat poorly

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 5/12/2015 (actual site observation date)

Data Collector: Ryan Miebach

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - other grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
duripan duripan	weakly coherent very weakly coherent	56 - 140 157 - 184	- 84 - - 27 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon duripan duripan	0—8 8—56 56—140 157—184	—8— —48— —84— —27—

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
1	—	—	86	—		612	—	—	16.6	—	—	—	—	—	—	—	—	—	—

Ap—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; loam; 23 percent clay; strong coarse subangular blocky, and strong coarse subangular blocky structure; extremely hard, friable, noncoherent, slightly sticky, slightly plastic; high toughness; common very fine roots and few fine roots; few very fine tubular pores; 10 percent by volume nonflat subangular indurated 2-4-10 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; neutral, pH 6.7, hellige-truog; abrupt wavy boundary. Lab sample # 16N01555; dry when described; observed in trench

2Btk1—8 to 17 centimeters (3.1 to 6.7 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 4/6), moist; silty clay loam; 38 percent clay; strong very coarse prismatic parts to strong medium angular blocky, and strong very coarse prismatic parts to strong coarse angular blocky structure; extremely hard, friable, noncoherent, moderately sticky, moderately plastic; high toughness; common very fine roots and very few fine roots; common very fine tubular pores; 5 reversible trans-horizon cracks per meter with a width of 1 cm that extend above the horizon; 90 percent distinct clay films on all faces of peds; 5 percent fine prominent threadlike noncoherent cemented carbonate masses with clear boundaries throughout; 2 percent by volume nonflat subangular indurated 2-3-5 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.1, hellige-truog; clear smooth boundary. Lab sample # 16N01556; dry when described; observed in trench

2Btk2—17 to 36 centimeters (6.7 to 14.2 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; silty clay; 42 percent clay; strong very coarse prismatic parts to strong coarse angular blocky, and strong very coarse prismatic parts to strong medium angular blocky structure; extremely hard, friable, noncoherent, very sticky, very plastic; high toughness; few very fine roots; common very fine tubular pores; 5 reversible trans-horizon cracks per meter with a width of 1 cm that extend above and below the horizon; 5 percent distinct pressure faces on top faces of peds and 90 percent distinct clay films on all faces of peds; 5 percent fine prominent threadlike noncoherent cemented carbonate masses with clear boundaries throughout; 2 percent by volume nonflat subangular indurated 2-3-5 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 16N01557; dry when described; observed in trench

2Btk3—36 to 56 centimeters (14.2 to 22.0 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; silty clay; 45 percent clay; strong very coarse prismatic parts to strong medium angular blocky, and strong very coarse prismatic parts to strong coarse angular blocky structure; extremely hard, friable, noncoherent, very sticky, very plastic; high toughness; few very fine roots; few very fine tubular pores; 5 reversible trans-horizon cracks per meter with a width of 1 cm that extend below the horizon; 90 percent distinct clay films on all faces of peds; 3 percent fine distinct manganese masses on surfaces along pores; 5 percent fine prominent threadlike noncoherent cemented carbonate masses with clear boundaries throughout; 2 percent by volume nonflat subangular indurated 2-3-5 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 16N01558; dry when described; observed in trench

3Btqm1—56 to 80 centimeters (22.0 to 31.5 inches); reddish yellow (7.5YR 7/6), strong brown (7.5YR 4/6), moist; cemented loam; 23 percent clay; structureless massive parts to strong medium angular blocky, and structureless massive parts to strong fine angular blocky; extremely hard, very firm, weakly coherent by silica, slightly sticky, slightly plastic; high toughness; few very fine tubular pores; 10 percent distinct clay films on all faces of peds; 20 percent medium distinct irregular manganese coatings on faces of peds; 50 percent faint silica concretions throughout and 5 percent fine faint threadlike silica masses lining pores; 2 percent by volume nonflat subangular indurated 2-3-5 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 16N01559; dry when described; observed in trench

3Btqm2—80 to 97 centimeters (31.5 to 38.2 inches); yellow (10YR 7/6), strong brown (7.5YR 5/6), moist; cemented loam; 23 percent clay; structureless massive parts to strong fine angular blocky, and structureless massive parts to strong medium angular blocky; extremely hard, very firm, very weakly coherent by silica, slightly sticky, slightly plastic; high toughness; few very fine tubular pores; 10 percent prominent clay films on all faces of peds; 25 percent medium distinct irregular manganese coatings on faces of peds; 30 percent faint silica concretions throughout and 3 percent fine faint threadlike silica masses lining pores; 5 percent by volume nonflat subangular indurated 2-3-10 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; neutral, pH 6.6, hellige-truog; gradual smooth boundary. Lab sample # 16N01560; dry when described; observed in trench

3Btkqm1—97 to 140 centimeters (38.2 to 55.1 inches); reddish yellow (7.5YR 7/6), strong brown (7.5YR 4/6), moist; cemented loam; 20 percent clay; structureless massive parts to moderate medium angular blocky, and structureless massive parts to moderate fine angular blocky; extremely hard, very firm, weakly coherent by silica, slightly sticky, slightly plastic; high toughness; common very fine tubular pores; 20 percent faint clay films on all faces of peds; 10 percent fine distinct irregular manganese coatings on faces of peds; 15 percent faint silica concretions throughout and 5 percent fine prominent threadlike noncoherent cemented carbonate masses with clear boundaries throughout; 10 percent by volume nonflat subangular indurated 2-5-15 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 16N01561; slightly dry when described; observed in trench

3Btkq—140 to 157 centimeters (55.1 to 61.8 inches); reddish yellow (7.5YR 7/6), strong brown (7.5YR 5/6), moist; gravelly loam; 25 percent clay; structureless massive parts to moderate fine angular blocky, and structureless massive parts to moderate medium angular blocky; extremely hard, very firm, noncoherent, slightly sticky, slightly plastic; high toughness; few very fine tubular pores; 30 percent faint clay films on all faces of peds; 5 percent fine distinct irregular manganese coatings on faces of peds; 30 percent faint silica concretions throughout and 15 percent fine prominent threadlike noncoherent cemented carbonate masses with clear boundaries throughout; 15 percent by volume nonflat subangular indurated 2-5-20 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 16N01562; slightly dry when described; observed in trench

3B'tkqm2—157 to 184 centimeters (61.8 to 72.4 inches); reddish yellow (7.5YR 7/6), strong brown (7.5YR 5/6), moist; cemented gravelly loam; 24 percent clay; structureless massive parts to moderate fine subangular blocky, and structureless massive parts to moderate medium subangular blocky; extremely hard, very firm, very weakly coherent by silica, slightly sticky, slightly plastic; high toughness; few very fine tubular pores; 5 percent distinct clay films on surfaces along pores; 5 percent fine distinct irregular manganese coatings on faces of peds; 30 percent faint silica concretions throughout and 20 percent medium prominent threadlike noncoherent cemented carbonate masses with clear boundaries throughout; 3 percent by volume nonflat subrounded indurated 75-100-250 millimeter metamorphic, unspecified fragments observed by visual inspection method and 25 percent by volume nonflat subangular indurated 2-5-15 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; clear smooth boundary. Lab sample # 16N01563; slightly dry when described; observed in trench

3Btq—184 to 225 centimeters (72.4 to 88.6 inches); yellow (10YR 7/6), yellowish brown (10YR 5/6), moist; gravelly loam; 19 percent clay; structureless massive parts to moderate fine subangular blocky, and structureless massive parts to moderate medium subangular blocky; extremely hard, very firm, noncoherent, slightly sticky, slightly plastic; high toughness; few very fine tubular pores; 20 percent distinct clay films on all faces of peds; 15 percent fine distinct irregular manganese coatings on faces of peds; 25 percent faint silica concretions throughout and 5 percent fine faint threadlike silica masses lining pores; 30 percent by volume nonflat subrounded indurated 2-5-30 millimeter metamorphic, unspecified fragments observed by visual inspection method; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 16N01564; slightly dry when described; observed in trench