Ross Sea Region Soil Sites
54000
54
22-Nov-1964
IBC, GGC
Inexpressible Island, Terra Nova Bay
soil characterisation
USGS 1:250 000 1968; Mt Melbourne SS 58-60/9
No
163.6330
-74.8667
74deg 52.0'S
-163deg -38.0'E
Near the top of a broad gently sloping ridge at the northern end of Inexpressible Island
3
S
300
| The surface materials are bouldery tills derived principally from rocks of the Granite Harbour Intrusives but metasedimentary rocks and occasional dolerite are more common |
| than at lower altitudes and suggest a different phase of glacial deposition |
(3o)
Oceanic subxerous; no liquid water or snow present
-20
Coastal Antarctic
Bouldery till from granitic and metasedimentary rocks
Nil observed
Some small (2m) nets
| SURFACE WEATHERING or |
| SURFACE FEATURES |
Staining on surface boulders is distinct; boulders show slight to moderate cavernous weathering, exfoliation and granular disintegration
Nil
54a 0-15cm
201
light yellowish brown (2.5Y 6/4) sandy cobble and pebble gravel
202
loose
203
rock fragments subrounded and subangular, many with distinct surface staining and deeper oxidation
204
distinct boundary, on firmly frosted sandy gravel
7-0cm
101
surface cobbles, pebbles and granules
102
distinctly stained and oxidised
103
subrounded to subangular'
Yes
Hard ice-cemented
15
3
(15cm)
| Soluble Salt |
| Concentration |
5400001
54a
0-15cm
0
15
none
12-Dec-2005
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