Ross Sea Region Soil Sites
266000
266
29-Dec-1969
IBC, GGC
Scott Glacier region, southern Trans-antarctic Mountains, on the West side of the Robert Scott Glacier north of Cox Peaks
Soil weathering examination
Mt Goodale
B&W Pro
No
-153.6670
-85.9883
85deg 59.3'S
153deg 40.0'E
Near the summit of a peak on a ridge, immediately north of the Cox Peaks; an even sloping surface 5m below a snow patch and adjacent to granite rock outcrops
12
W
1,575
Granite bedrock outcrops nearby with scattered surface boulders forming a thin patchy drift cover
Adjacent snow patch but no direct thaw or water runoff; some thawing of snow observed |
adjacent to some darker rocks |
35
Central Mountain
Granitic slope debris and weathered material infilling spaces between bedrock boulders
Nil observed
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Strong exfoliation of surface boulders which are well rounded and crumbly and stained; surface soil layer is crumbly exfoliate overlying well weathered |
finer material; extensive salt encrustations beneath some clasts; |
Nil
266a 1-0cm
101
surface boulders, pebbles and granular sand
102
distinctly stained
103
subangular
104
thick salt accumulations beneath some clasts,
266b 0-5cm
201
light brownish grey (2.5Y 6/2) sandy granule and boulder gravel
202
loose
203
weakly cohesive
204
weakly developed vesicular structure
205
rock particles mainly subangular and weakly to non stained but some distinctly stained with some mineral |
alteration |
206
sharp boundary,
266c 5-23cm
301
yellowish brown (10YR 5/6) sandy granular boulder gravel
302
loose
303
many larger clasts disaggregating
304
rock particles angular and distinctly stained
305
indistinct boundary,
266d 23-30cm
401
yellowish brown (10YR 5/8) sandy granular gravel
402
loose
403
some larger clasts disaggregating
404
rock particles distinctly stained and some partly altered
405
sharp boundary, on firm but partly crumbled bedrock
Yes
a,b,c,d
Dry frozen
30
4/5
(>30cm)
Soluble Salt |
Concentration |
26600001
19.00
26600002
80.00
27.70
33.30
28.20
2.00
2.30
2.30
4.10
0.19
26600003
46.00
33.90
15.40
18.60
7.70
15.50
6.20
1.80
0.92
26600004
62.00
32.80
16.40
20.50
7.90
14.70
4.80
1.90
0.81
26600001
26600002
26600003
26600004
26600001
26600002
60
10
10
20
26600003
40
25
30
5
26600004
60
15
15
10
12-Dec-2005
Page 223 of 896
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