IDENTIFIERS

Current Taxon Name (Soil Name): Vertic Calcixerolls

OSD

Series Extent

User Site ID: S2013CA037002

User Pedon ID: S2013CA037002

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 13N56579

NCSS Pedon Lab Data NASIS Record ID - 73207

Print Date: 11/23/2024

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: 34.0653056

Std. Longitude: -117.8206667

Datum: WGS84

Location Description: on upper side slope of freeway buffer adjacent to Rancho Via Verde property.

Map Unit: 1141—Zaca-Apollo, warm complex, 20 to 55 percent slopes

Country: US—United States

State: California

County: CA037—Los Angeles

MLRA: 20—Southern California Mountains

Non-MLRA Soil Survey Area: CA696—Los Angeles County, California, Southeastern Part

7.5 Minute USGS Quad: 34117-A7—San Dimas, California

PEDON

Describers Name: Randy L Riddle

Current Taxonomic Class: Fine, smectitic, thermic Vertic Calcixerolls

Current Taxon Kind: family

Pedon Type: not classified to current taxon name

Pedon Purpose: laboratory sampling site

Pedon #: 549

Correlated Information:

Soil Name - Vertic Calcixerolls

PSC - 25 to 100 cm.

Classificaton Date - 5/6/2016

Soil Taxonomic Edition - twelfth edition

Moisture Class - xeric

Sampled As Information:

Soil Name - Zaca

Taxonomic Class - Fine, smectitic, thermic Vertic Haploxerolls

Taxon Kind - series

PSC - 25 to 100 cm.

Classificaton Date - 4/15/2012

Classifier - Randy L Riddle

Soil Taxonomic Edition - eleventh edition

Moisture Class - xeric

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: residuum weathered from sandstone and shale

Landscape: hills

Landform: hill

Geomorphic Component Hills: side slope

Hill Slope Profile: backslope

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: high

Drainage Class: well

Bedrock: weakly coherent moderate weathered sandstone and shale at 135cm with 10 to <45

Geology: La Vida member of the Tplv formation in the Puente Formation group.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/1/2010 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - urban and built-up

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
bedrock, paralithic	weakly coherent	135 -	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon secondary carbonates slickensides calcic horizon paralithic contact paralithic materials	0—78 21—135 21—78 78—113 135—160 135—160	—- —- —- —- —- —-

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
15	—	—	307	—	120	455	—	320	17	—	—	19	—	—	—	—	—	—	—

Ap—0 to 21 centimeters (0.0 to 8.3 inches); very dark grayish brown (10YR 3/2), very dark grayish brown (10YR 3/2), moist; clay; 12 percent sand; 37 percent silt; 51 percent clay; moderate medium granular structure; very hard, firm, very sticky, very plastic; common (2.0) very fine interstitial and few (1.0) fine tubular pores; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.7, pH indicator solutions; abrupt wavy boundary. Lab sample # 13N05933

Bkss1—21 to 53 centimeters (8.3 to 20.9 inches); very dark grayish brown (10YR 3/2), very dark grayish brown (10YR 3/2), moist; clay; 13 percent sand; 37 percent silt; 50 percent clay; moderate medium wedge parts to moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; common (2.0) very fine tubular pores; distinct pressure faces on all faces of peds and 10 percent distinct slickensides (pedogenic) on all faces of peds; 5 percent fine distinct irregular noncoherent cemented light gray (10YR 7/2) carbonate masses in matrix; 1 percent by volume angular weakly coherent cemented 2-25-75 millimeter shale, calcareous fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH indicator solutions; gradual wavy boundary. Lab sample # 13N05934

Bkss2—53 to 78 centimeters (20.9 to 30.7 inches); yellowish brown (10YR 5/4), dark brown (10YR 3/3), moist; clay; 13 percent sand; 34 percent silt; 54 percent clay; moderate medium subangular blocky structure; very hard, friable, very sticky, very plastic; common (4.0) very fine tubular pores; distinct pressure faces on all faces of peds and 15 percent distinct slickensides (pedogenic) on all faces of peds; 10 percent fine prominent irregular noncoherent cemented white (10YR 8/1) carbonate masses in matrix; 3 percent by volume angular weakly coherent cemented 2-25-75 millimeter shale, calcareous fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.8, pH indicator solutions; gradual wavy boundary. Lab sample # 13N05935

BCk—78 to 135 centimeters (30.7 to 53.1 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay; 18 percent sand; 40 percent silt; 43 percent clay; weak fine subangular blocky structure; hard, friable, very sticky, very plastic; few (1.0) very fine interstitial pores; 15 percent fine distinct irregular noncoherent cemented light gray (10YR 7/1) carbonate masses in matrix; 6 percent by volume angular weakly coherent cemented 2-37-75 millimeter shale, calcareous fragments; violent effervescence, by hcl, 1n; slightly alkaline, pH 7.7, pH indicator solutions; clear wavy boundary.

Cr—135 to 160 centimeters (53.1 to 63.0 inches); weathered bedrock; fragments.