Ross Sea Region Soil Sites
510000
510
19-Jan-1983
IBC, GGC
Convoy Range, Trans-antarctic Mountains, Alatna valley
Soil weathering examination
CS Pro
No
160.8330
-76.9233
76deg 55.4'S
-160deg -50.0'E
Approximately 4km SW of Battleship Promontory and 400m north of an un-named ice tongue; an older moraine surface; a smooth but gently undulating surface
5
SW
1,525
Ferrar Dolerite forms extensive sills and the till appears to be derived from the local dolerite; with increasing distance from the ice front, soil weathering increases; a moraine |
surface clearly older than that for soil 519 |
Sole small local snow patches; the site is dry with no sign of soil moistening
-30
Central mountain
Doleritic till
Nil observed
Weakly to moderately developed nets with troughs up to 30cm deep
SURFACE WEATHERING or |
SURFACE FEATURES |
Surface boulders partly rounded; moderately stained; a moderately developed pebble pavement; weakly ventiform; salts beneath some surface stones
Nil
Yes
a,b,c,d,e
0
Soluble Salt |
Concentration |
51000001
51000002
68.00
77.00
11.00
4.00
1.00
2.00
4.00
1.00
0.24
51000003
57.00
93.00
3.00
1.00
2.00
1.00
0.18
51000004
62.00
89.00
6.00
1.00
1.00
1.00
2.00
0.15
51000005
51000001
51000002
6.90
0.27
0.93
1.20
0.58
0.03
0.01
2.10
0.20
51000003
7.10
0.71
1.10
5.10
0.78
0.03
0.01
2.10
1.20
51000004
8.30
0.43
0.75
1.90
0.72
0.02
0.01
2.10
1.20
51000005
thenardite, gypsum
51000001
51000002
25
disordered mica-smectite
51000003
50
disordered mica-smectite
51000004
50
disordered mica-smectite
51000005
12-Dec-2005
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