Ross Sea Region Soil Sites
780000
780
25-Jan-1994
IBC, GGC, DSS
Pram Point, Scott Base
For determination of sources and levels of soil contaminants around Scott Base
not recorded
Pro CS & Lscp
No
166.7670
-77.8500
77deg 51.0'S
-166deg -46.0'E
SS15 T3; 14.5m southeast from the old Scott Base Mess building on a smooth landsurface formed by infilling and landsurface reshaping
10
S
12
cf. Notes for GEOLAND below
(10o)
Xerous to subxerous; the soil is moist and soil moisture may partly come from subsurface |
seepage |
-18
Coastal mountain
Fill materials from local volcanic materials formed for the purpose of landsurface reshaping and general landscaping
Some patches of algae in hollows and in water seepage areas
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Some surface salt efflorescences are present at the site
The land surface was shaped at the time the old Scott Base Mess Building was relocated; some vehicle traffic
780a 1-0cm
101
surface pebbles and granules
102
loose with some precipitated salts
103
780b 0-9cm
201
dark greyish brown (10YR 4/2) sandy cobble gravel
202
moderately cohesive
203
moist
204
distinct boundary,
780c 9-20cm
301
dark greyish brown (10YR 4/2/) cobble and boulder gravel
302
moist
303
compacted and firmly cohesive
304
indistinct boundary,
780d 20-30cm
401
dark greyish brown (10YR 4/20 bouldery gravel
402
moist
403
compacted and firmly cohesive
404
some foreign fibrous materials, on ice-cemented ground
Yes (IGNS)
a
Ice-cemented
30
1
Geoland
The materials comprise volcanics of the McMurdo Volcanics Formation mainly as scoriaceous lava flows; the surface materials are a thin cover of mainly |
fractured bedrock with addition of some glacially derived granular and pebble clasts from outside the immediate area; the volcanic bedrock has been |
considerably fractured by patterned ground freeze thaw; the surface age is probably very late Pleistocene (Ross Sea Glaciation) having been modified by |
McMurdo Sound filling glacial ice |
Soluble Salt |
Concentration |
78000001
780a
1-0cm
-1
0
none
78000002
780b
0-9cm
0
9
none
78000003
780c
9-20cm
9
20
none
78000004
780d
20-30cm
20
30
none
12-Dec-2005
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