Ross Sea Region Soil Sites
652000
652
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
166.4420
-77.6317
77deg 37.9'S
-166deg -26.5'E
Approximately 950m NE of Cape Evans and 50m SE of the Barne Glacier on a young, very hummocky moraine surface
0
Nil
175
Rocks of the area belong to the McMurdo Volcanics; the deposit is young till from the Barne Glacier from predominantly Kenyite
Oceanic subxerous; scattered small snow patches but the site is dry
-18
Coastal Antarctic
Stony till from volcanic rocks
Nil at site but some local algal accumulations
Nil; hummocky ground with pronounced mounds may be dirt cones
SURFACE WEATHERING or |
SURFACE FEATURES |
A moderately developed boulder pebble pavement with some surface granular disintegration; scattered thin salt precipitations
Nil
652 2-0cm
101
surface scoria and kenyite pebbles and boulders
102
surface salt precipitations,
652b 0-5cm
201
grey (10YR 5/1) sandy gravel
202
loose
203
some diffuse salts
204
rock particles subangular to subrounded
205
indistinct boundary,
652c 5-16cm
301
grey to light grey (10YR 6/1) sandy gravel
302
loose
303
rock particles subrounded
304
sharp boundary, on ice-cemented ground
Yes
Hard ice-cored
16
1
(16cm)
Soluble Salt |
Concentration |
65200002
54.00
7.50
65200003
55.00
8.23
65200001
10.00
1.65
65200002
65200003
65200001
65200002
65200003
65200001
12-Dec-2005
Page 610 of 896
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