Ross Sea Region Soil Sites
73000
73
6-Dec-1964
IBC, GGC
Shackleton Glacier, Queen Maud Mountains, on hill slopes on the north side of McGregor Glacier
Weathering examination
USGS 1:250 000 1968; Liv Glacier SV 1-10/5
No
174.4330
-85.1000
85deg 6.0'S
-174deg -26.0'E
Crilly Hill on the North side of McGregor Glacier; on the upper part and West side of a broad convex sloping till covered ridge
7
SW
1,900
Low hills on the North side of McGregor Glacier are mainly Beacon Group rocks covered with bouldery dolerite and sandstone till
(7o)
| Xerous; some extensive snow patches; 2cm of recent snow covers the soil and profile surface |
| but only slight thawing and moistening of the soil surface had occurred in places |
-30
Central mountain
Dolerite and sandstone till with much loose sandy/silty fine material; in a few small patches, the soil has a much redder colour than in the upper horizon of soil 73, possibly containing more dolerite?
Nil observed
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
A distinct pavement comprising rounded, stained and exfoliating dolerite cobbles is formed; in places, the surface horizons of the soil have a redder hue
Nil
73 8-0cm
101
surface boulders, cobbles and pebbles
102
subrounded
103
moderately to strongly stained
104
moderate exfoliation and ventifaction
105
some salts beneath stones,
73a 0-5cm
201
strong brown (7.5YR 5/6) bouldery sandy gravel
202
weakly cohesive with weakly developed vesicular structure
203
rock particles subangular to subrounded and moderately stained.
Yes
a
NoObs
0
4
(NoObs)
| Soluble Salt |
| Concentration |
7300001
73a
0-5cm
0
5
none
12-Dec-2005
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