Ross Sea Region Soil Sites
654000
654
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
CS Pro
No
166.4000
-77.6383
77deg 38.3'S
-166deg -24.0'E
300m to the south of Scott's Hut and 15m from the sea ice; a smooth, gently sloping gravelly beach surface;
5
NW
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; patchy snow cover but site is dry
-18
Coastal Antarctic
Sorted pebble gravel with occasional small boulders
Nil at site; Skua nesting nearby
Nil at site
SURFACE WEATHERING or |
SURFACE FEATURES |
Surface gravel pavement is rounded and unweathered
Probably disturbed by foot traffic from early 1900's
654a 2-0cm
101
surface granular pebble gravel
102
rock particles dominantly subrounded,
654b 0-10cm
201
grey (10YR 5/1) granule gravel
202
weakly cohesive
203
rock particles rounded to subrounded
204
distinct boundary,
654c 10-25cm
301
grey (10YR 5/1) pebble and granule gravel
302
weakly cohesive
303
moist
304
rock particles rounded to subrounded
305
indistinct boundary,
654d 25-40cm
401
grey (10YR 5/1) pebble and granule gravel
402
loose
403
rock particles rounded to subrounded
404
sharp boundary, on hard frozen ground
Yes
Hard ice-cemented
40
1
(40cm)
Soluble Salt |
Concentration |
65400002
39.00
3.00
65400001
30.00
0.20
65400003
23.00
1.44
65400004
29.00
5.68
65400002
65400001
65400003
65400004
65400002
65400001
65400003
65400004
12-Dec-2005
Page 612 of 896
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