Site Information

Site number:
410
Authors:
IBC, GGC
Date recorded:
1977/12/05
Reason Sampled:
Soil weathering examination
Description:
On the north side of Wright Valley in the Olympus range, above the North Fork of Wright Valley; on a broad undulating and hummocky Beacon sandstone bench surface with occasional dolerite dykes; south of Mt Aeolus
Altitude:
1600 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 77° 29.8' S 161° 18.6' E 77° 30.2' S 161° 0.0' E
Latitude Longitude DD -77.4967 161.3100 -77.5033 161.000
Latitude longitude precision DD 0.0008 0.0008 0.0008 0.008
Locality Wright Valley in the Olympus Range
Survey USGS, Antarctica 1:50,000 Topo. Ser. 1977 Victoria Upper Lake Antarctica

Climate

Soil climate zone:
Central Mountain
Estimated mean annual temperature:
-28 °C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:

Geology

Geological setting:
Dolerite feeder dykes are the source for dolerite caps in the peaks of the Olympus Range; the dolerite surface is probably feldsenmeer
Patterned ground:
Nil
Surface weathering or surface features:

Soil

Soil parent material:
Fragmented dolerite
Previous disturbance:
Nil
Soil weathering stage:
Soil moisture status:
Extensive snow cover from recent snow falls but little thawing; the soil surface is dry
Biological activity:
Nil observed

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
410a 0-5cm 0.0 5.0 No
410b 5-10cm 5.0 10.0 No
410c 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
410a
410b
410c
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
410a :
410b :
410c :
National Soil Archive Samples
Sample nameNSA Sample IdContainer typeFraction type
410a M22/2347 White lid small coarse
410a M22/2348 White lid small fine
410b M22/2349 White lid small coarse
410b M22/2350 White lid small fine
410c M22/2351 White lid small fine

Photos

Photo record:
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