Ross Sea Region Soil Sites
36000
36
16-Nov-1964
IBC, GGC
Inexpressible Island, Terra Nova Bay
Soil characterisation
USGS 1:250 000 1968; Mt Melbourne SS 58-60/9
LScp
No
163.7000
-74.9167
74deg 55.0'S
-163deg -42.0'E
A raised beach surface, approximately 150m inland from the coast, at the site of a small penguin rookery, on the south eastern coast of Inexpressible Island; on a distinct gravel |
mound formed by accumulation of nesting stones; |
4
E
20
Granitic till and granitic raised beach gravels, derived from Granite Harbour Intrusives occur extensively; the beach deposits are well sorted and form a series of distinct levels |
with gently sloping treads and steeper bouldery risers |
(4o)
Oceanic subxerous, little liquid water available at present, moisture source occasional |
snowmelt |
-17
Coastal Antarctic
Sandy pebble, cobble and boulder gravel beach deposits derived mainly from granites with accumulations of mineral and organic material from penguin nesting
Site previously occupied for penguin nesting
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Most surface rocks are well rounded due to wave action
Penguin nesting; site unoccupied for a considerable time with accumulations of nesting stones forming a distinctive but subdued mound
0-4cm
101
surface pebbles
102
rounded to subrounded and unstained,
36a 0-10cm
201
brown to pale brown (10YR 5/3-5/4) pebbly gravelly sand
202
moderately cohesive
203
rock fragments subangular to subrounded and unstained
204
some sand particles cemented together forming large crumb- like aggregates with reddish brown (5YR 5/3) |
centres |
205
pebbles with pale brown (10YR 6/3) thin coatings
206
many shell fragments and some fibrous hair-like material
207
moderate smell
208
indistinct boundary,
36b 10-23cm
301
very pale brown (10YR 7/4) pebbly and bouldery gravelly sand
302
weakly cohesive
303
slightly frosted
304
distinct boundary, on frozen ground
Yes
a
Hard ice-cemented
23
1
(23cm)
Soluble Salt |
Concentration |
3600001
36a
0-10cm
0
10
none
3600002
36b
10-23cm
10
23
none
12-Dec-2005
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