Ross Sea Region Soil Sites
484000
484
2-Jan-1983
IBC, GGC
Ross Island; McMurdo Sound
Soil weathering examination
B&W Lscp
No
166.7000
-77.8333
77deg 50.0'S
-166deg -42.0'E
Southern Hut Point Peninsula approximately 800m west of Scott Base and north of the Scott Base-McMurdo road; on an undisturbed surface above the road to the aerial farm
0
Nil
115
cf. Notes for GEOLAND below
Oceanic xerous; site presently dry but soils become moist after summer snowfall
-18
Coastal Antarctic
Volcanic drift material with some pale coloured fines,
Occasional yellow lichen patches and a few scattered moss patches
Weakly developed broad shallow nets
SURFACE WEATHERING or |
SURFACE FEATURES |
Carbonate coatings on rock undersides; some light coloured fine accumulations
Nil
484a 1-0cm
101
surface pebbles
102
subrounded and unstained
103
some with fine carbonate coatings,
484b 0-1cm
201
light brownish grey (2.5Y 6/2) sandy to silty gravel
202
loose
203
rock particles subrounded to subangular
204
many carbonate coatings
Yes
0
1
Geoland
The rocks of the area are McMurdo Volcanics, predominantly scoria; the surface materials are thin scoria drift material with some accessions of sedimentary and |
crystalline rocks derived via glacial activity from the mainland; finer textured accumulations may be windblown dust |
Soluble Salt |
Concentration |
48400002
48400001
48400002
48400001
48400002
48400001
12-Dec-2005
Page 442 of 896
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