Site Information

Site number:
258
Authors:
IBC, GGC
Date recorded:
1969/12/19
Reason Sampled:
Soil weathering examination
Description:
On a steep south facing ridge about 4km east of Mt Zanuck; between the saddle and the snow slope below
Altitude:
1300 m
Aspect:
S
Slope:
20 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 85° 57' S 150° 31' W 85° 57' S 150° 31' W
Latitude Longitude DD -85.950 -150.517 -85.950 -150.517
Latitude longitude precision DD 0.008 0.008 0.008 0.008
Locality Scott Glacier region, southern Trans-antarctic Mountains, at the junction of the Albanus and Scott Glacier at Mt Zanuck
Survey US Geological Survey 1:250 000 1968, Mount Goodale

Climate

Soil climate zone:
Central Mountain
Estimated mean annual temperature:
-35 °C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:

Geology

Geological setting:
Dark coloured amphibolite rock outcrop and disaggregated material
Patterned ground:
Nil
Surface weathering or surface features:
Dark coloured surface rocks

Soil

Soil parent material:
Weathering detritus from local outcrop of dark coloured amphibole
Previous disturbance:
Nil
Soil weathering stage:
6 4 (Campbell & Claridge 1975)
Soil moisture status:
Patchy snow cover is present but no thawing observed
Biological activity:
Nil observed
Profile Description
HorizonDepthDescription
258a 0 – 10 cm olive (5Y 5/3) sandy gravel; loose; rock particles angular to subangular with some distinct surface staining and alteration

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
258 0-10cm 0 10 No
Sample solution chemistry
Sample namepHNa meq/100gCa meq/100gMg meq/100gK meq/100gCl meq/100gSO4 meq/100gNO3 meq/100gEC mmho/cmSoluble SaltNotes
258 6.6 25.0 16.7 9.0 0.6 14.9 20.0 2.2 4.2 .  
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
258 15.8 14.8 23.1 12.6 18.1 12.7 2.2 0.52 .
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
258 38.0 . . 18.0 . 18.0 18.0 8.0 . . . . . . :
National Soil Archive Samples
Sample nameNSA Sample IdContainer typeFraction type
258 M22/1400 medium coarse
258 M22/1401 White lid small fine
258 M22/7080 Glass vial metal lid

Photos

Photo record:
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