Ross Sea Region Soil Sites
34000
34
16-Nov-1964
IBC, GGC
Inexpressible Island, Terra Nova Bay
Soil characterisation
USGS 1:250 000 1968; Mt Melbourne SS 58-60/9
B&W Pro & LScp
No
163.7000
-74.9167
74deg 55.0'S
-163deg -42.0'E
A raised beach surface, approximately 200m inland from the coast, at the site of a small penguin rookery, on the south eastern coast of Inexpressible Island
0
Nil
25
cf. Notes for GEOLAND below
(0o)
Oceanic subxerous, little liquid water available at present, moisture source occasional |
snowmelt |
-17
Coastal Antarctic
Sandy pebble and cobble gravel beach deposits with accumulation of mineral material (pebbles, sand and silt) and organic matter, including shell fragments, from nesting penguins
Former penguin nesting site in part identified by the accumulation of nesting stones
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Most surface rocks are well rounded due to wave action
Disturbed by penguin nesting
3-0cm
101
surface accumulation of rounded pebbles with occasional boulders
102
rock fragments unstained,
34a 0-8cm
201
light grey to pale olive (5Y 7/2-6/3) pebbly gravelly sand
202
loose
203
rock fragments rounded to subrounded
204
some thin very pale brown (10YR 7/3) shell fragments
205
indistinct boundary,
34b 8-13cm
301
greyish brown (moist 2.5Y 5/2) pebbly gravelly sand
302
weakly cohesive
303
slightly frosted
304
rock fragments subrounded
305
some pale brown (10YR 7/3) shell fragments
306
distinct boundary,
34c 13-25cm
401
greyish brown (moist 2.5Y 5/2) pebble gravel with boulders
402
weakly cohesive
403
weakly frosted
404
rock fragments subangular to subrounded
405
some small pale brown (10YR 7/3) shell fragments
406
distinct boundary, on frozen ground.
Yes
a,b,c
Hard ice-cemented
25
1
(25cm)
Geoland
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; the site has been modified by penguin nesting |
Soluble Salt |
Concentration |
3400001
34a
0-8cm
0
8
none
3400002
34b
8-13cm
8
13
none
3400003
34c
13-25cm
13
25
none
12-Dec-2005
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