Scott Base, Antarctica

PEDON DESCRIPTION

Print Date: 07/09/2003 Country: Description Date: 01/15/1999 State: Foreign (not used) Describer: JMK County: Site ID: 99FN143004 MLRA: Site Note: Soil Survey Area: Pedon ID: 99FN143004 Map Unit: Pedon Note: Few 5YR 4/2 spots under rocks where moisture seem to Quad Name: concentrate. Few spots with moss growing. Lab Source ID: SSL Location Description: Lab Pedon #: 99P0328 Legal Description: Soil Name as Described/Sampled: ANT Latitude: 77 degrees 50 minutes 53 seconds south Soil Name as Correlated: Longitude: 166 degrees 45 minutes 44 seconds east Classification: Datum: Pedon Type: UTM Zone: Pedon Purpose: full pedon description UTM Easting: Taxon Kind: UTM Northing: Associated Soils: Physiographic Division: Primary Earth Cover: Grass/herbaceous cover Physiographic Province: Secondary Earth Cover: Tundra rangeland Physiographic Section: Existing Vegetation: State Physiographic Area: Parent Material: Local Physiographic Area: Bedrock Kind: basaltic-ash Geomorphic Setting: on backslope of side slope of mountainside Bedrock Depth: on backslope of side slope of upland Upslope Shape: convex Bedrock Hardness: Cross Slope Shape: convex Bedrock Fracture Interval: Particle Size Control Section: Surface Fragments: 50.0 percent Diagnostic Features: ? to ? cm.

Slope Elevation Aspect MAAT MSAT MWAT MAP Frost- Drainage Slope Upslope Free Length Length (%) (meters) (deg) (C) (C) (C) (mm) Class Days (meters) (meters) 6.0 60.0 135 well 200 50.0

C1--0 to 1 centimeters; very dark grayish brown (10YR 3/2) gravelly sandy loam, grayish brown (10YR 5/2), dry; moderate fine and medium lenticular platy, and single grain; very friable, soft, nonsticky, nonplastic; 30 percent angular 2- to 75-millimeter basaltic-ash; noneffervescent, by HCl, 1 normal; abrupt smooth boundary. Lab sample # 99P01667

C2--1 to 7 centimeters; very dark grayish brown (10YR 3/2) gravelly sandy loam, pale brown (10YR 6/3), dry; moderate very fine and fine single grain; loose, loose, nonsticky, nonplastic; 30 percent angular 2- to 75-millimeter basaltic-ash; noneffervescent, by HCl, 1 normal; clear smooth boundary. Lab sample # 99P01668

C3--7 to 15 centimeters; dark grayish brown (10YR 4/2) gravelly sandy loam, brown (10YR 5/3), dry; moderate very fine and fine single grain; loose, loose, nonsticky, nonplastic; 35 percent angular 2- to 75-millimeter basaltic-ash; noneffervescent, by HCl, 1 normal; clear smooth boundary. Lab sample # 99P01669

C4--15 to 30 centimeters; brown (10YR 4/3) gravelly sandy loam, brown (10YR 5/3), dry; moderate very fine and fine single grain; loose, loose, nonsticky, nonplastic; 35 percent angular 2- to 75- millimeter basaltic-ash; noneffervescent, by HCl, 1 normal; abrupt smooth boundary. Lab sample # 99P01670

C5--30 to 45 centimeters. Lab sample # 99P01671

C5--0 to 45 centimeters. Lab sample # 99P01672