IDENTIFIERS

Current Taxon Name (Soil Name): Clackamas

OSD

Series Extent

User Site ID: 05-DRJ-07

User Pedon ID: S2005OR047002

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 06N0239

NCSS Pedon Lab Data NASIS Record ID - 18403

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: 44.8331413

Std. Longitude: -122.9150696

Datum: WGS84

Township: 8S

Range: 2W

Section: 34

PLSS Details: northeast 1/4 of the southwest 1/4 of the northeast 1/4

State: Oregon

County: OR047—Marion

MLRA: 2—Willamette and Puget Sound Valleys

Non-MLRA Soil Survey Area: OR643—Marion County Area, Oregon

7.5 Minute USGS Quad: 44122-G8—Turner, Oregon

PEDON

Describers Name: David R. Johnson

Current Taxonomic Class: Loamy-skeletal, mixed, superactive, mesic Typic Argiaquolls

Current Taxon Kind: series

Pedon Type: taxadjunct to the series

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 2

Sampled As Information:

Soil Name - Clackamas

Taxonomic Class - Loamy-skeletal, mixed, superactive, mesic Typic Argiaquolls

PSC - 40 to 69 cm.

Classificaton Date - 11/5/2004

Moisture Class - xeric

Moisture SUBClass - xeric

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: gravelly alluvium derived from igneous rock over sandy and gravelly alluvium derived from igneous rock

Landform: outwash plain

Geomorphic Component Terraces: tread

Slope Complexity: simple

Slope Shape Across: convex

Slope Shape Down: linear

Drainage Class: somewhat poorly

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/5/2004 (actual site observation date)

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

Current Air Temp - 14

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon aquic conditions argillic horizon redox concentrations redox depletions with chroma 2 or less	0—40 40—183 40—69 40—183 40—183	—40— —143— —29— —143— —143—

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	—	—	97	—		1308	—	200	11.3	18.6	4.2	—	—	—	—	—	OR8095	STAYTON	WETS

Ap—0 to 12 centimeters (0.0 to 4.7 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 4/3) broken face, dry; gravelly silt loam; moderate fine subangular blocky structure; moderately hard, very friable, nonsticky, nonplastic; 10.0 very fine roots throughout; 15 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; clear smooth boundary. Lab sample # 06N00904; wet when described; observed in pit, small

A2—12 to 40 centimeters (4.7 to 15.7 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 4/3) broken face, dry; gravelly silt loam; moderate medium subangular blocky structure; moderately hard, very friable, slightly sticky, slightly plastic; 5.0 very fine roots throughout; 5 percent by volume nonflat well rounded indurated 75-100-125 millimeter igneous, unspecified fragments and 20 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; abrupt smooth boundary. Lab sample # 06N00905; wet when described;

Bt—40 to 69 centimeters (15.7 to 27.2 inches); dark yellowish brown (10YR 3/4) broken face, yellowish brown (10YR 5/4) broken face, dry; very gravelly loam; moderate medium subangular blocky parts to moderate fine subangular blocky structure; moderately hard, very friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout; 5 percent distinct light brownish gray (10YR 6/2), dry, iron depletions on faces of peds and 20 percent distinct yellowish brown (10YR 5/6), dry, masses of oxidized iron on faces of peds; 15 percent by volume nonflat well rounded indurated 75-100-125 millimeter igneous, unspecified fragments and 40 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; clear smooth boundary. Lab sample # 06N00906; wet when described;

BC—69 to 89 centimeters (27.2 to 35.0 inches); dark yellowish brown (10YR 3/4) broken face, yellowish brown (10YR 5/4) broken face, dry; extremely gravelly sandy loam; weak fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout; 20 percent distinct yellowish brown (10YR 5/6), dry, masses of oxidized iron on faces of peds and 20 percent distinct light brownish gray (10YR 6/2), dry, iron depletions on faces of peds; 20 percent by volume nonflat well rounded indurated 75-125-150 millimeter igneous, unspecified fragments and 45 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; clear smooth boundary. Lab sample # 06N00907; wet when described;

C—89 to 183 centimeters (35.0 to 72.0 inches); dark brown (10YR 3/3) broken face, light brownish gray (10YR 6/2) broken face, dry; stratified stratified extremely gravelly loamy sand; structureless single grain; loose, loose, nonsticky, nonplastic; 0.5 very fine roots throughout; 10 percent prominent yellowish brown (10YR 5/6), dry, masses of oxidized iron on faces of peds and 10 percent faint light brownish gray (10YR 6/2), dry, iron depletions on faces of peds; 20 percent by volume nonflat well rounded indurated 75-125-150 millimeter igneous, unspecified fragments and 50 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments. Lab sample # 06N00908; wet when described;