Ross Sea Region Soil Sites
56000
56
1-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&W Pro & LScp
No
174.9670
-85.1500
85deg 9.0'S
-174deg -58.0'E
NE facing slope, about 30m above glacier level, on a scree slope on the lower slopes of ridge, 2km NNW of Mt.Kenyon
20
NE
1,800
Ferrar Dolerite sills outcrop with Beacon Group sediments, these rocks forming the main components of the tills which mantle most of the lower slopes; surface features |
suggest there may have been some slight solifluction movement |
(20o)
Xerous; numerous snow patches but no thawing
-35
Central mountain
Stony till comprising mainly dolerite and some fine grained sedimentary rocks
Nil observed
Weakly developed nets with 20cm troughs; some contraction cracks in profile pits are without surface expression
SURFACE WEATHERING or |
SURFACE FEATURES |
Subrounded to subangular dolerite cobbles and pebbles with moderate surface staining; some small salt patches beneath surface stones
Nil
56 3-0cm
101
surface cobbles, pebbles and boulders
102
subangular to subrounded
103
moderately stained,
56a 0-15cm
201
light brown (7.5YR 6/4) pebbly gravel
202
moderately cohesive
203
aggregates formed through coating with fines
204
moderately developed vesicular structure
205
rock particles subangular to subrounded and weakly stained
206
distinct boundary,
56b 15-33cm
301
light brown (7.5YR 6/4) pebbly fine gravel
302
loose
303
rock particles subangular to subrounded and weakly stained
304
distinct boundary,
56c 33-38cm
401
light brown to reddish yellow (7.5YR 6/4-6/6) granule gravel
402
weakly cohesive with silty clay cementing
403
weakly developed vesicular structure
404
rock particles subangular and weakly stained
405
abrupt boundary, on frozen ground
Yes
a,b,c
Hard ice-cemented
38
3
(38 cm)
Soluble Salt |
Concentration |
5600001
56a
0-15cm
0
15
none
5600002
56b
15-33cm
15
33
none
5600003
56c
33-38cm
33
38
none
12-Dec-2005
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