Ross Sea Region Soil Sites
663000
663
14-Dec-1991
IBC, GGC, MRB
Hut Point Peninsula, Ross Island
Soil salts examination
Dept of Interior USGS 1986 1:250,000 Ross Island & Vicinity, Antarctica
Cs Pro
No
166.6550
-77.8383
77deg 50.3'S
-166deg -39.3'E
Approximately 500m N of McMurdo Station; on the lower side slope of a shallow valley; a surface previously disturbed by ground scraping and subsequently covered with |
extensive salt precipitations |
3
SE
100
cf. Notes for GEOLAND below
Oceanic subxerous; the site is dry but the soil is moist because of the high salt conceemtration
-18
Coastal Antarctic
Till from Ross Glacial advance; disturbed soil with extensive salt precipitation
Some yellow lichen on nearby basalt pebbles
Hummocky ground thaw
SURFACE WEATHERING or |
SURFACE FEATURES |
Nil; new ground surface
Extensive ground disturbance from soil removal and scraping
663a 0-4cm
101
light olive brown (2.5Y 5/4) sandy pebble gravel
102
weakly cohesive
103
profuse salts with extensive surface precipitation
104
rock particles subrounded to subangular
105
distinct boundary,
663b 4-13cm
201
light browninsh grey (2.5Y 6/2) sandy pebble and cobble gravel
202
loose
203
rock particles subangular
204
distinct boundary,
663c 13-25cm
301
light olive brown (2.5Y 5/4) loose sandy gravel
Yes
a,b,c,d,e,f,g,h,i,j,k
a,b,c,d,e,f,g,h,i,j,k
0
1
Geoland
Rocks are predominantly scoria flows of the McMurdo Volcanics; Last Glaciation Ross 1 ice covered the site and traces of rocks (sandstone and granite granules |
and small pebbles) probably from the Royal Society Range can be found; the drift mantle is thin and patchy with bedrock a little below the surface |
Soluble Salt |
Concentration |
66300001
84.00
28.30
21.00
23.70
8.00
5.00
8.60
5.00
0.30
7.55
66300002
80.00
22.20
19.10
21.10
7.00
15.00
9.30
6.00
0.30
8.78
66300003
72.00
22.10
16.70
20.00
10.20
10.30
16.10
4.30
0.40
16.62
66300004
49.70
20.10
17.20
6.40
2.70
2.70
1.00
0.30
42.35
66300005
66.00
51.70
13.80
12.50
6.20
6.50
6.70
2.30
0.40
25.90
66300006
76.00
36.50
19.50
17.20
8.40
8.30
7.40
2.30
0.40
24.10
66300007
63.00
26.00
14.20
17.70
10.90
13.20
13.10
4.30
0.50
28.81
66300008
63.00
32.70
18.80
17.90
9.10
9.70
8.70
2.80
0.30
22.24
66300009
73.00
37.70
15.20
15.90
8.90
9.60
9.50
2.90
0.40
18.12
66300010
65.00
33.80
13.30
16.50
9.50
10.20
12.10
4.10
0.40
52.30
66300011
51.00
37.00
9.70
13.80
9.00
11.80
13.90
4.40
0.40
24.65
66300001
9.10
18.00
115.00
8.30
7.80
1.56
16.30
120.00
1.00
66300002
9.00
3.20
12.00
4.65
0.90
0.27
1.30
15.00
0.07
66300003
9.10
6.40
33.00
5.75
1.00
0.35
2.80
33.00
0.14
66300004
9.30
3.00
11.00
2.40
0.73
0.26
2.10
3.00
0.10
66300005
9.10
2.30
11.00
0.60
0.59
0.22
3.80
9.00
0.16
66300006
9.40
1.30
6.30
0.15
0.20
0.13
3.30
2.90
0.17
66300007
9.10
2.30
10.00
1.80
0.51
0.23
3.20
7.80
0.05
66300008
9.20
4.60
22.20
2.50
0.49
0.43
3.60
20.00
0.07
66300009
9.30
3.70
19.40
2.50
0.40
0.46
4.20
15.00
0.07
66300010
9.40
3.50
16.90
0.80
0.45
0.35
3.40
12.50
0.11
66300011
9.40
2.50
12.50
0.40
0.32
1.10
7.20
5.00
0.13
66300001
30
10
5
25
15
15
66300002
30
5
3
2
30
15
15
66300003
30
5
15
30
5
15
5
66300004
10
10
5
5
15
15
15
5
short range order 20
66300005
10
10
10
10
5
15
5
short range order 35
66300006
10
5
5
10
15
short range order 55
66300007
5
2
3
5
15
short range order 70
66300008
10
5
5
5
5
15
short range order 60
66300009
10
2
2
5
5
15
short range order 60
66300010
10
5
5
5
10
15
15
short range order 40
66300011
5
3
3
5
5
5
15
short range order 60
12-Dec-2005
Page 621 of 896
663