Ross Sea Region Soil Sites
222000
222
25-Nov-1969
IBC, GGC
Scott Glacier region, southern Trans-antarctic Mountains on Ackerman Ridge
Soil weathering examination
US Geological Survey 1:250 000, 1968, Mount Blackburn
No
-147.9670
-86.5583
86deg 33.5'S
147deg 58.0'E
On an east/west trending portion of Ackerman Ridge on a bouldery granitic surface
0
1,850
Rocks in the area are argillites and granites; with increasing altitude, younger tills with minimal weathering give way to patchy weathered residual till and bedrock
Occasional small snow patches
-40
Inland Mountain
Old bouldery granitic till with some argillite
Nil Observed
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Surface boulders a mixture of angular and rounded but strongly stained
Nil
222 2-0cm
101
surface boulders and sandy granule gravel
102
angular to rounded and strongly stained
222a 0-5cm
201
strong brown (7.5YR 5/8) granular to bouldery gravel
202
weakly cohesive with a distinctly developed surface crust
203
moderately developed vesicular structure with secondary non-calcareous cementing
204
many distinct white salt accumulations
205
rock particles mainly angular, stained and altered with many secondary oxide coatings
206
distinct boundary,
222b 5-12cm
301
strong brown (7.5YR 5/8) sandy granular to bouldery gravel
302
weakly cohesive
303
few white salt precipitations
304
rock particles mainly angular, stained and altered with many secondary oxide coatings
305
distinct boundary,
222c 12-18cm
401
strong brown (7.5YR 5/6) sandy granular to bouldery gravel
402
loose
403
many distinct white salt accumulations
404
many small gypsum crystals
405
rock particles mainly angular, stained and altered with many secondary oxide coatings
406
indistinct boundary,
222d 18-60cm
501
brown to dark brown (7.5YR 4/4) angular fragmented bedrock with fine fraction in joints
502
lose
503
scattered salts
504
rock particles angular, altered and readily disaggregated
Yes
a,b,c,d
Dry-frozen
60
5
(>60cm)
Soluble Salt |
Concentration |
22200001
53.00
40.40
14.60
10.80
5.20
5.00
13.90
0.70
8.90
22200002
57.00
43.50
13.80
9.30
5.30
7.00
13.40
0.80
6.50
22200003
60.00
55.30
12.90
8.30
4.50
4.70
9.10
0.60
4.30
22200004
40.00
35.50
19.70
15.10
7.60
7.30
7.90
2.00
4.50
22200001
4.90
2.42
2.60
7.50
0.14
0.04
0.10
12.50
7.60
22200002
5.00
3.91
12.00
7.50
0.50
0.06
0.70
15.00
14.30
22200003
4.60
10.80
35.00
12.50
6.10
0.09
2.00
13.50
52.80
22200004
4.80
7.40
18.00
9.00
7.50
0.12
2.80
7.30
74.60
22200001
15
5
10
15
15
kl 25%
22200002
10
35
15
20
kl 25%
22200003
8
2
25
25
20
kl 20%
22200004
15
5
10
20
kl 50%
12-Dec-2005
Page 179 of 896
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