Ross Sea Region Soil Sites
655000
655
11-Dec-1991
IBC, GGC, MRB
Cape Evans, Ross Island, McMurdo Sound
Soil weathering examination
Dept of Interior USGS 1986 1:250,000 Ross Island & Vicinity, Antarctica
Yes
No
166.4000
-77.6333
77deg 38.0'S
-166deg -24.0'E
Greenpeace World Park Base; 10m, to the E of the main base buildings on the gravel foreshore beach
5
W
2
Rocks of the area belong to the McMurdo Volcanics; the beach gravels are recent and derived from local volcanic rocks predominantly Kenyite volcanics
Oceanic subxerous; some snow melt; subsurface soil is moist
-18
Coastal Antarctic
Sorted pebble gravel with occasional small boulders
Nil at site
Nil at site
| SURFACE WEATHERING or |
| SURFACE FEATURES |
Surface gravel pavement is rounded and unweathered
Extensive treading disturbance from nearby base site activity; possibly some fuel contamination; minor small particle waste material
655a 0-5cm
101
grey (10YR 5/1) granular pebble gravel
102
loose
103
rock particles subrounded
104
a few small wood and fibre fragments
105
distinct boundary,
655b 5-15cm
201
dark grey (10YR 4/1) sandy gravel
202
loose
203
moist
204
rock particles subrounded
205
distinct boundary,
655c 15-30cm
301
very dark grey (10YR 3/1) gravelly coarse sand
302
loose
303
moist
304
sharp boundary, on hard ice-cemented ground
Yes
Hard ice-cemented
30
1
(30cm)
| Soluble Salt |
| Concentration |
65500001
45.00
1.34
65500002
73.00
10.59
65500003
76.00
6.94
65500001
65500002
65500003
65500001
65500002
65500003
12-Dec-2005
Page 613 of 896
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