Ross Sea Region Soil Sites
742000
742
7-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
SS7 T1; 7.7 m southeast of the south corner of the incinerator building and 1 m from a container; an uneven sloping fill surface
11
SE
6
cf. Notes for GEOLAND below
(11o)
Xerous to subxerous; small snow patches nearby providing a moisture supply to the site
-18
Coastal mountain
Fill materials derived largely from earlier landsurface scraping and landscape tidying; includes abundant foreign materials including wood, metals, plastic etc.
None observed
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
The surface has not been recently disturbed; some thin patches of salt are present at the soil excavation site
Mechanical disturbance resulting from land surface reshaping; primarily a built up area
742a 1-0cm
101
loose and surface stones with thin precipitations of salts,
742b 0-2cm
201
greyish brown (10YR 5/2) gravelly sand
202
loose
203
slightly moist
204
numerous fragments of foreign material
205
distinct boundary,
742c 2-16cm
301
greyish brown to dark grey (10YR 5/2 - 3/1) sandy gravel
302
compact and slightly moist
303
distinct boundary,
742d 16-40cm
401
very dark grey (10YR 3/1) pebbly granular scoria gravel
402
moist sharp boundary, on ice-cemented ground
Yes (IGNS)
Hard ice-cemented
40
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 |
74200001
742a
1-0cm
-1
0
none
74200002
742b
0-2cm
0
2
none
74200003
742c
2-16cm
2
16
none
74200004
742d
16-40cm
16
40
none
74200001
55.00
1.20
74200002
44.00
3.70
74200003
53.00
4.50
74200004
77.00
4.20
74200001
8.40
3.14
74200002
8.70
0.72
74200003
9.20
0.35
74200004
8.90
0.22
74200001
74200002
74200003
74200004
12-Dec-2005
Page 700 of 896
742