Ross Sea Region Soil Sites
66000
66
3-Dec-1964
IBC, GGC
Shackleton Glacier, Queen Maud Mountains, on mountain slopes to the south of McGregor Glacier at the northern end of the Cumulus Hills
Soil characterisation
USGS 1:250 000 1968; Liv Glacier SV 1-10/5
B&WPro,Lscp &CS Lscp
No
174.8170
-85.2000
85deg 12.0'S
-174deg -49.0'E
Northern end of the Cumulus Hills, 1.5km SSW of Shenk Pk. near the centre of a very bouldery ice cored rock glacier surface; profile described from an accumulation of fine |
material amongst boulders |
3
W
2,100
A mantle of very coarse bouldery (dolerite) till overlies the upper surface of a stagnant alpine glacier; concentric lines in the till suggest that there may have been surface |
transport |
(3o)
0
0.0
5
-11.0
Xerous; few small scattered snow pockets but no melting observed
-35
Central mountain
Bouldery dolerite ablation till
Nil observed
Weakly developed pattern of finer textured till in <1m nets surrounded by very coarse material
SURFACE WEATHERING or |
SURFACE FEATURES |
Angular surface boulders mostly with a fresh appearance but some have stained patches and encrustations of white carbonate along joints
Nil
66 10-0cm
101
surface dolerite boulders
102
angular to subangular
103
unweathered and little stained,
66a 0-1cm
201
very pale brown (10YR 7/4) gravelly silt
202
cohesive and crusty
203
fine vesicular structure
204
rock particles subangular and unstained
205
abrupt boundary,
66b 1-15cm
301
very pale brown (10YR 7/3) gravelly silt with some boulders
302
loose
303
few very fine white salt flecks
304
rock particles subangular and unstained
305
indistinct boundary,
66c 15-30cm
401
pale brown to light brownish grey (10YR 6/3-6/2) pebbly and bouldery sandy silt
402
loose
403
rock particles subangular and unstained
404
sharp boundary, on clean stagnant ice
Yes
a,b,c
Stagnant ice
30
1
Soluble Salt |
Concentration |
6600001
66a
0-1cm
0
1
none
6600002
66b
1-15cm
1
15
none
6600003
66c
15-30cm
15
30
none
12-Dec-2005
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