Site Information

Site number:
230
Authors:
IBC, GGC
Date recorded:
1969/11/28
Reason Sampled:
Soil weathering examination
Description:
Table Top, a small peak on the east side of Bartlett Glacier, 13km SE of Mt Gardiner and 9km NW of Mt Denauro; at the eastern end on a ridge, below a snowy summit
Altitude:
2100 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 86° 24.60' S 152° 04' W 86° 24.60' S 152° 04' W
Latitude Longitude DD -86.4100 -152.067 -86.4100 -152.067
Latitude longitude precision DD 0.0008 0.008 0.0008 0.008
Locality Scott Glacier region, southern Trans-antarctic Mountains on the east side of Bartlett Glacier
Survey US Geological Survey 1:250 000 1968, Nilsen Plateau

Climate

Soil climate zone:
Inland Mountain
Estimated mean annual temperature:
-40 °C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:

Geology

Geological setting:
Till occurs on the highest eastern surfaces of Table Top and has a mixed lithology of granite, dolerite and quartzitic greywackes etc
Patterned ground:
Nil
Surface weathering or surface features:
Surface rocks are strongly stained with weathering appearing more advanced than at lower altitudes

Soil

Soil parent material:
Bouldery till of mixed lithology
Previous disturbance:
Nil
Soil weathering stage:
4 (Campbell & Claridge 1975)
Soil moisture status:
Scattered snow patches but no indications of snow thaw or liquid water
Biological activity:
Nil at site
Profile Description
HorizonDepthDescription
230a 0 – 10 cm light yellowish brown to brownish yellow (10YR 6/4 -6/6) bouldery sandy to silty gravel; loose; salt accumulations around some stones and in rock fractures; rock particles subrounded to subangular and stained; some rock particles with marked crystal alteration

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
230 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
230 6.6 3.1 5.2 3.1 0.11 1.4 7.9 4.2 2.27 .  
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
230 48.5 15.5 14.1 6.3 5.9 6.8 2.1 0.59 .
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
230 70.0 . . . . . . 15.0 . 15.0 . . . . :
National Soil Archive Samples
Sample nameNSA Sample IdContainer typeFraction type
230 M22/1288 medium coarse
230 M22/1289 White lid small fine
230 M22/7028 Glass vial metal lid

Photos

Photo record:
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