Site Information

Site number:
199
Authors:
REC/FAM
Date recorded:
1971/01/01
Reason Sampled:
Soil biological/soil weathering
Description:
Mt Howe; head of Robert Scott Glacier; southern most outcrop in the world; a bouldery moraine surface tailing to the north of the exposed area, approximately 50m from the edge of the ice
Altitude:
2500 m
Aspect:
NE
Slope:
15 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 87° 18' S 149° 41' W 87° 18' 41" S 149° 30' W
Latitude Longitude DD -87.300 -149.683 -87.3114 -149.50
Latitude longitude precision DD 0.008 0.008 0.00015 0.08
Locality Scott Glacier region, southern Trans-antarctic Mountains
Survey US Geological Survey 1:250 000, 1968, D'angelo Bluff

Climate

Soil climate zone:
Inland Mountain
Site temperature profile
Depth (cm)Soil temp (°C)Notes
0 -9 sun
0 -18 shade
2 -15
Estimated mean annual temperature:
-40 °C
Frozen ground depth:
2 cm
Frozen type:
Stagnant ice
Frozen comment:
2cm

Geology

Geological setting:
Local rocks are granitic; the till sheet appears relatively recent
Patterned ground:
Surface weathering or surface features:
A rough bouldery surface

Soil

Soil parent material:
Mixed granitic glacial debris; loose gravel over ice
Previous disturbance:
Nil
Soil weathering stage:
6 1 (Campbell & Claridge 1975)
Soil moisture status:
Ultraxerous
Biological activity:
Profile Description
HorizonDepthDescription
199a 0 – 2 cm olive (5Y 5/3) sandy gravel; soil moist below the surface, on glacial ice

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
199a 0-2cm 0.0 2.0 No
Particle size distribution
Sample name< 2 mm2 - 0.5 mm0.5 - 0.25 mm0.25 - 0.1 mm0.1 - 0.05 mm0.05 - 0.02 mm0.02 - 0.002 mm< 0.002 mmFe2O3CaCO3Notes
199a 6.8
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
199a :

Photos

Photo record:
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