Ross Sea Region Soil Sites
361000
361
9-Dec-1972
IBC, GGC
Lower Wright Valley, McMurdo Dry Valley region
Salt examination
USGS 1:50,000 Antarctic Topo. Ser. Lake Bonney Quadrangle
No
162.3920
-77.5267
77deg 31.6'S
-162deg -23.5'E
| On the SE side of the Wright Valley adjacent to the Meserve Glacier; at the head of the Meserve Glacier on Mt Ulla; a small steep rocky peak with some weathered material in |
| clefts |
0
Nil
1,550
The exposure is coarse grained micaceous granite
(0o)
Dry soil and site
-25
Coastal Mountain
Fragmented micaceous granitic sandy granular gravel from weathering of surface outcrops; patchy salts in the soils
Nil observed
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
| Upper surfaces of rock outcrops and boulders have moderate staining; some slight rounding and granular disintegration; a few salt efflorescences in patches |
| on the soil surface; patches of finer material amongst more angular fragmented bedrock |
Nil at site
361a 0-10cm
101
light yellowish brown (2.5Y 6/4) sandy pebbly granular gravel
102
loose to weakly cohesive
103
weakly developed vesicular structure
104
scattered diffuse salt patches
105
rock particles angular, weakly to moderately stained and partly altered
Yes
a
0
2
| Soluble Salt |
| Concentration |
36100001
41.00
36.80
15.80
23.70
13.20
4.50
2.70
2.90
0.29
36100001
9.20
0.35
36100001
50
10
10
15
15
12-Dec-2005
Page 318 of 896
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