Site Information

Site number:
290
Authors:
IBC, GGC
Date recorded:
1970/01/12
Reason Sampled:
Biological sample
Description:
Coastal hills between the Robert Scott Glacier and the Amundsen Glacier; at O'Brien Peak near the top; a rocky surface with small pockets of till between rock outcrops
Altitude:
490 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 85° 28' S 156° 40' W 85° 28' S 156° 40' W
Latitude Longitude DD -85.467 -156.67 -85.467 -156.67
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 2km from the coast west 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:
O'Brien Peak area has a complex and variable sequence of rocks including metasedimentary quartzite, marbles, schists, and granitised sediments
Patterned ground:
Nil
Surface weathering or surface features:
Surface bedrock exposures have distinctly oxidised surfaces

Soil

Soil parent material:
Dominantly granitic till with minor gneiss and hornfels
Previous disturbance:
Nil
Soil weathering stage:
Soil moisture status:
Dry site
Biological activity:
Lichens observed

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
290a No
290b No
290c No
290d 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
290a
290b
290c
290d
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
290a :
290b :
290c :
290d :
National Soil Archive Samples
Sample nameNSA Sample IdContainer typeFraction type
290c M22/1610 medium coarse
290d M22/1611 White lid small coarse

Photos

Photo record:
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