Ross Sea Region Soil Sites
70000
70
4-Dec-1964
IBC, GGC
Shackleton Glacier, Queen Maud Mountains, on mountain slopes to the south of McGregor Glacier at the Nth end of the Cumulus Hills
Soil characterisation
USGS 1:250 000 1968; Liv Glacier SV 1-10/5
B&W Lscp & CS Lscp
No
174.3670
-85.1667
85deg 10.0'S
-174deg -22.0'E
On hill slopes on the south side of McGregor Glacier, at Rougier Hill; in a small hanging valley containing two sets of moraines part way up the valley; the site is on an alpine |
glacier moraine remnant just south of site 69 on a slightly lower surface |
50
NE
1,785
The moraine at this site forms a tongue on the floor of a narrow valley as a result of retreat of a local alpine glacier; the till is locally derived from dolerite and Beacon Group |
sediments and is younger than that on which soil 69 is formed |
Xerous; snow filling most patterned ground depressions and some frozen water |
accumulations in a few small hollows |
-30
Central mountain
Till derived mainly from dolerite and Beacon Group sedimentary rocks
Nil observed
Well developed 5-10m polygonal nets with 50-75cm troughs
SURFACE WEATHERING or |
SURFACE FEATURES |
Surface cobbles and boulders are mainly unstained and subangular to angular
Nil
70 4-0cm
101
surface pebbles and boulders
102
mainly unstained
103
and subangular to angular,
70a 0-1 cm
201
light brown (7.5YR 6/4) pebble and cobble gravel
202
loose
203
rock particles subangular and very weakly stained
204
sharp boundary,
70b 1-6cm
301
light brown (7.5YR 6/4) pebbly gravelly sand
302
loose to weakly coherent with very weakly developed vesicular structure
303
rock particles mostly subangular to angular and unstained
304
indistinct boundary,
70c 6-18cm
401
brown to pale brown (10YR 5/3-6/3) gravelly sand
402
loose
403
rock particles mostly subangular and unstained
404
sharp boundary, on frozen ground
Yes
a,b,c,d
Hard ice-cemented
18
1
(18cm)
Soluble Salt |
Concentration |
7000001
70a
0-1cm
0
1
none
7000002
70b
1-6cm
1
6
none
7000003
70c
6-18cm
6
18
none
12-Dec-2005
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