Ross Sea Region Soil Sites
486000
486
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 1km northwest of Scott Base and .5km south of Crater Hill; on a gently sloping terrace like surface north of the Scott |
Base-McMurdo road |
2
SW
170
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 |
Oceanic xerous; the site is dry
-18
Coastal Antarctic
Volcanic drift material; possibly includes some wind- blown fines
Nil observed
Weakly developed broad nets
SURFACE WEATHERING or |
SURFACE FEATURES |
A moderately bouldery surface with a weakly developed pavement; some carbonate coatings beneath surface clasts
Some local construction activity
486a 1-0cm
101
surface boulders and sandy gravel
102
loose
103
unstained
104
some smaller particles subrounded but larger clasts subangular
105
a few carbonate coatings,
486b 0-1cm
201
light brown (10YR 6/3) sandy to silty gravel
202
weakly cohesive
203
weakly developed vesicular structure
204
rock particles subangular with some smaller particles subrounded
Yes
0
1
Soluble Salt |
Concentration |
48600002
48600001
48600002
48600001
48600002
48600001
12-Dec-2005
Page 444 of 896
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