Ross Sea Region Soil Sites
586000
586
26-Jan-1990
IBC, GGGC, MRB
Marble Point region, western McMurdo Sound just east of the Wilson Piedmont Glacier, between Marble Point and Gneiss Point
Soil moisture and permafrost investigations
Marble Point Quadrangle, US Geological Survey, 1975
CS Pro
Yes
163.7040
-77.4267
77deg 25.60'S
-163deg -42.24'E
SE of the Marble Point Helo facility buildings, on the lower slopes of a west facing side of a ridge; on a gently sloping shelf between rock outcrops
3
W
70
cf. Notes for GEOLAND below
Oceanic subxerous
-18
Coastal Antarctic
Pale coloured till, over older weathered till containing traces of volcanic ash, overlying marble bedrock
Nil
Nil at surface but a filled wedge extends to the present surface
| SURFACE WEATHERING or |
| SURFACE FEATURES |
Patchy salt distribution; moderately developed pavement; some patches of brownish more oxidised soil at the surface
Nil
586a 0-10cm
101
olive (5Y 5/3) sandy pebble gravel
102
loose
103
rock particles unstained and mainly angular with some subrounded
104
sharp boundary,
586b 20-30cm
201
yellowish brown (10YR 5/6) sandy pebble gravel
202
slightly moist
203
cohesive to moderately compact
204
many rock particles subrounded, some with weak staining and partly altered
205
indistinct boundary,
586c 20-30cm
301
yellowish brown (10YR 5/6) sandy pebble gravel
302
cohesive to moderately compact
303
moist
304
| rock particles subrounded and subangular and some moderately to strongly altered with reddish yellow (7.5YR |
| 6/8) oxide segregations |
305
indistinct boundary,
586d 30-40cm
401
brownish yellow (10YR 6/6) sandy gravel with grey veining
402
moderately cohesive
403
rock particles mainly subrounded and some with oxide coatings and strongly altered
404
distinct boundary,
586e 50-60cm
501
brownish yellow (10YR 6/6) sandy pebble and cobble gravel
502
firm
503
rock particles mainly subangular some moderately altered
504
distinct boundary,
586f 60-70cm
601
yellowish brown (10YR 5/8) silty to sandy gravel
602
weakly cohesive
603
rock particles mainly subrounded and altered with reddish yellow oxide segregations
604
distinct boundary,
586g ?-?cm
701
pale yellow (2.5Y 7/4) weathered marble (boulder?) with altered inclusions, drill core in ice-cemented ground
586h 70-84cm
801
[pale yellow (2.5Y 7/4),
586i 84-90cm
901
[ light grey (5Y 7/2),
586j 90-105cm
1001
[ light grey (5Y 7/2)
586k 105-124cm
1101
[ light grey (5Y 7/2)
586l 124-139cm
1201
[ light grey (5Y 7/2)
586m 139-147cm
1301
[ light grey (5Y 7/2)
Yes
a,b,c,d,e,f,g,h,i,j,k,l,m
a,b,c,d,e,f,g,h,i,j,k,l,m
Hard ice-cemented
74
1/5
(74cm)
Geoland
| The land surface is an undulating till plain formed by retreat of the Wilson Piedmont Glacier; The Marble Point region is an old landscape, as evidenced by |
| deposits of phillipsite, buried soils and oxidised gneiss, which have been covered by advances of the grounded Ross Ice Shelf; later ice retreat and glaciological |
| features have been controlled by changes in the stranded Wilson Piedmont Glacier; the till mantle is patchy and dominated largely by locally occurring rocks; |
| marble outcrops nearby and underlies the soil; underlying weathered material may be a remnant of an older surface |
| Soluble Salt |
| Concentration |
58600001
586a
0-10cm
0
10
55.00
2.70
none
58600002
586b
20-30cm
20
30
97.00
20.70
none
58600003
586c
20-30cm
20
30
79.00
12.60
none
58600004
586d
30-40cm
30
40
87.00
25.50
none
58600005
586e
50-60cm
50
60
62.00
25.80
none
58600006
586f
60-70cm
60
70
80.00
23.10
none
58600007
586g/h
70-84cm
70
84
none
58600009
586i
84-90cm
84
90
29.00
15.70
none
58600010
586j
90-105cm
90
105
37.00
24.50
none
58600011
586k
105-124cm
105
124
50.00
39.60
none
58600012
586l
124-139cm
124
139
53.00
32.80
none
58600013
586m
139-147cm
139
147
47.00
11.00
none
58600001
55.00
25.50
19.50
28.30
17.40
6.00
1.80
1.00
0.60
2.70
58600002
97.00
8.40
22.30
27.50
14.70
10.60
7.50
3.50
5.40
20.70
58600003
80.00
18.40
22.10
22.40
11.50
8.40
7.20
4.90
5.00
12.60
58600004
88.00
23.40
26.10
20.90
10.30
6.80
4.30
2.40
5.80
25.50
58600005
62.00
26.80
22.80
22.00
10.90
7.20
4.00
2.00
4.20
25.80
58600006
61.00
17.40
24.10
22.90
12.40
8.40
6.70
3.40
4.60
23.10
58600007
37.90
17.00
16.50
10.60
9.40
6.60
1.60
0.40
2.00
58600008
39.00
26.50
14.20
15.40
11.40
12.90
12.50
6.10
0.90
16.30
58600009
28.00
14.70
9.80
12.60
11.20
15.40
21.20
14.10
1.10
15.70
58600010
37.00
24.40
10.60
11.70
9.50
17.60
15.30
10.60
0.40
24.50
58600011
50.00
16.20
10.90
15.50
12.80
17.50
18.30
8.50
0.30
39.60
58600012
52.00
17.70
12.70
15.20
12.90
16.10
16.60
8.50
0.30
32.80
58600013
47.00
26.40
9.30
11.30
10.40
15.30
17.50
9.50
0.40
11.00
58600001
8.20
4.50
19.00
0.85
1.70
0.59
21.70
1.60
0.30
58600002
9.00
0.48
2.20
0.23
0.08
1.20
0.60
0.03
58600003
8.20
1.16
4.00
0.14
0.12
4.60
0.40
0.00
58600004
8.40
0.66
3.00
0.03
0.04
0.10
2.40
0.70
0.00
58600005
7.00
0.86
5.60
0.16
0.08
0.08
2.20
1.80
0.03
58600006
6.50
2.00
8.10
1.35
0.60
0.26
8.20
1.40
0.06
58600007
9.10
0.72
3.90
0.16
0.09
0.10
2.40
0.40
0.06
58600008
8.80
1.00
5.20
0.19
0.04
0.11
3.40
0.80
0.06
58600009
8.50
1.16
5.30
0.87
0.08
0.15
3.20
1.80
0.06
58600010
8.50
0.92
3.20
1.16
0.21
0.13
2.80
1.10
0.03
58600011
8.60
0.92
3.80
1.06
0.10
0.15
2.40
1.70
0.03
58600012
8.60
1.18
5.50
0.65
0.06
0.17
3.90
1.50
0.00
58600013
8.80
1.18
6.20
0.32
0.06
0.18
4.30
1.20
0.01
58600001
20
35
35
5
58600002
10
20
65
2
58600003
8
18
57
12
5
58600004
10
30
40
58600005
5
40
20
58600006
20
10
30
58600007
5
95
58600008
1
4
85
10
58600009
10
75
10
58600010
15
75
10
58600011
10
80
10
58600012
10
75
13
2
58600013
5
5
10
45
12-Dec-2005
Page 544 of 896
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