Site Information

Site number:
299
Authors:
IBC, GGC
Date recorded:
1970/01/15
Reason Sampled:
Salt examination
Description:
McDonald Nunataks at the extreme north and east side of the Amundsen Glacier on a low recently exposed till surface towards the eastern end; a flat knoll
Altitude:
225 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 85° 28' S 157° 30' W 85° 28' S 157° 30' W
Latitude Longitude DD -85.467 -157.50 -85.467 -157.50
Latitude longitude precision DD 0.008 0.08 0.008 0.08
Locality Scott Glacier region, southern Trans-antarctic Mountains, on the West side of the Robert Scott Glacier, about 1km from the coast and east of the Medina Peaks
Survey Mount Goodale

Climate

Soil climate zone:
Coastal Mountain
Estimated mean annual temperature:
-20 °C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:

Geology

Geological setting:
The area has a complex and variable sequence of rocks including metasedimentary quartzite, marbles, schists, and granitised sediments; the rocks at this site are dominantly marble
Patterned ground:
Nil but ice fractured bedrock
Surface weathering or surface features:
Extensive efflorescences of calcareous salts on rock outcrop surfaces

Soil

Soil parent material:
Salt sample on rock
Previous disturbance:
Nil
Soil weathering stage:
6 1 (Campbell & Claridge 1975)
Soil moisture status:
A dry site
Biological activity:
Black lichens and other lichen species

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
299 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
299
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
299 :
National Soil Archive Samples
Sample nameNSA Sample IdContainer typeFraction type
299 M22/1648 large coarse

Photos

Photo record:
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