Ross Sea Region Soil Sites
355000
355
8-Dec-1972
IBC, GGC
Wright Valley, McMurdo Dry Valley region, near Lake Vanda
Soil weathering examination
USGS 1:50,000 Antarctic Topo. Ser. Lake Vanda Quadrangle
B&W Lsc
No
161.1830
-77.5667
77deg 34.0'S
-161deg -11.0'E
| On the floor of Wright Valley, in the South Fork at Don Juan Pond; the sample site is near the centre of the flat floor where the pond is presently dry; adjacent to a large |
| moraine boulder that has created an erosional wind scoop |
0
Nil
175
Don Juan Pond is a saline hollow which varies in wetness, but at the time of sampling was wet only in a small area;
(0o)
Moist soil but no liquid water in adjacent hollow
-23
Central Mountain
Fine textured sediment
Nil observed
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
A fine gravel pavement with surface salt efflorescences
Nil at site
355a 0-5cm
101
olive (5Y 5/3) sandy to clayey silt
102
firm
103
moist slightly sticky
Yes
a
0
3
| Soluble Salt |
| Concentration |
35500001
35500001
35500001
12-Dec-2005
Page 312 of 896
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