Ross Sea Region Soil Sites
123000
123
14-Jan-1965
IBC, GGC
Victoria Land, Trans-antarctic Mountains; in Barwick Valley, part of the McMurdo Sound Dry Valley system
Salts determination
USGS 1:250 000 1986; Ross Island and Vicinity, Antarctica
No
160.9330
-77.3500
77deg 21.0'S
-160deg -56.0'E
cf. Notes for DESCR below
0
Nil
675
cf. Notes for GEOLAND below
(0o)
| Xerous to subxerous; the soils are moist in a nearby hollow and some melt pools and lake |
| thaw occurs |
-23
Central mountains
Young till, probably reworked by lake level changes
Nil observed
Nil at site but strong nearby
| SURFACE WEATHERING or |
| SURFACE FEATURES |
Surface encrustations of salts
Nil
123
101
Salt sample, not described
Yes
a
Hard ice-cemented
30
1
(30cm)
Descr
| Approximately 300m E of Webb Lake; on the valley floor on a young moraine surface; the topography is hummocky with numerous small hollows and on the |
| slopes immediately above the floor of the hollows salts are precipitated; this sample collected on the surface above the floor of the hollow |
Geoland
| Webb Glacier in the upper Barwick Valley has retreated and left a series of till deposits and moraine surfaces of differing ages; on the younger landscapes there |
| is some reworking of till deposits through ablation processes with water and salt accumulations in some hollows |
| Soluble Salt |
| Concentration |
12300001
123a
0-1cm
0
1
none
12-Dec-2005
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