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Site Information
Site number:
65
Authors:
IBC, GGC
Date recorded:
1964/12/02
Reason Sampled:
Weathering examination
Description:
Near the edge of the Polar Plateau at the head of La Prade Valley, 4km SE of Shenk Pk.; an easy sloping Beacon sediment outcrop surface
Altitude:
2700 m
Aspect:
NE
Slope:
15 °
Location Data
Observer
IBC
GPS
No
Latitude Longitude DMS
85° 13' S 174° 29' W
Latitude Longitude DD
-85.217 -174.483
Latitude longitude precision DD
0.008 0.008
Locality
Shackleton Glacier, Queen Maud Mountains, on mountain slopes to the south of McGregor Glacier at the northern end of the Cumulus Hills
Survey
USGS 1:250 000 1968; Liv Glacier SV 1-10/5
Climate
Soil climate zone:
Central mountain
Estimated mean annual temperature:
-40
°C
Frozen ground depth:
0 NoObs
Frozen type:
NoObs
Frozen comment:
NoObs
Geology
Geological setting:
Beacon Group sediments, mainly sandstones outcrop widely but seldom have accumulations of weathered materials or soils
Patterned ground:
Nil
Surface weathering or surface features:
Soil
Soil parent material:
Yellow weathered sandstone with a surface crust
Previous disturbance:
Nil
Soil weathering stage:
6
3
(Campbell & Claridge 1975)
Soil moisture status:
Xerous; abundant snow patches but no thawing observed
Biological activity:
Nil observed
Profile Description
Horizon Depth Description
65a
0
–
5
cm
pale yellow (2.5Y 7/4) gravelly silty sand; loose but with a thin cohesive surface crust; sandstone particles platey and unstained and dolerite particles subrounded and moderately stained.
Sample Data
Physical Data
Sample name Depth description Top (cm) Base (cm) Bulk Density Dry Bulk Density Gravimetric Moisture Vol. Moisture (BD=2)
65
0-5cm
0
5
Sample solution chemistry
Sample name pH Na meq/100g Ca meq/100g Mg meq/100g K meq/100g Cl meq/100g SO4 meq/100g NO3 meq/100g EC mmho/cmSoluble Salt Notes
65
5.9
1.8
1.9
0.8
0.03
0.6
3.3
1.3
.
0.49
Particle size distribution
Sample name < 2 mm 2 - 0.5 mm 0.5 - 0.25 mm 0.25 - 0.1 mm 0.1 - 0.05 mm 0.05 - 0.02 mm 0.02 - 0.002 mm < 0.002 mm Fe2 O3 CaCO3 Notes
65
64
28.6
14.7
18.1
7.4
9.8
11.3
9.2
0.88
.
Clay Mineralogy
Sample name Mica IHM HIV - IHM ICHL VT HIV CHL SM CHL SM FE - CHL HT QTZ FLD HB CAL Notes
65
30.0
25.0
.
25.0
.
.
.
10.0
.
.
.
.
10.0
.
National Soil Archive Samples
Sample name NSA Sample Id Container type Fraction type
65
M22/0617
medium
coarse
65
M22/0618
medium
fine
65
M22/6800
Glass vial metal lid
Photos
Photo record:
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Copyright Manaaki Whenua – Landcare Research © 1996 - 2023
Version: 1.0.124
Copyright Manaaki Whenua – Landcare Research © 1996 - 2023