Ross Sea Region Soil Sites
52000
52
21-Nov-1964
IBC, GGC
Inexpressible Island, Terra Nova Bay
Ssoil characterisation
USGS 1:250 000 1968; Mt Melbourne SS 58-60/9
B&W Pro & CS LScp
No
163.7330
-74.9000
74deg 54.0'S
-163deg -44.0'E
cf. Notes for DESCR below
2
W
100
The surface materials are bouldery tills derived principally from rocks of the Granite Harbour Intrusives; large boulders have been split and separated indicating regolith |
reworking by patterned ground processes |
(2o)
Oceanic subxerous; no liquid water present and little local snow cover
-18
Coastal Antarctic
Granitic till reworked by patterned ground processes
Few small patches of yellow and black lichen
Weakly developed small to medium (2-5m) nets with borders marked by boulder accumulations
SURFACE WEATHERING or |
SURFACE FEATURES |
Cobbles and boulders mainly subangular and unstained
Nil
3-0cm
101
surface cobbles and granules
102
subangular and unstained
52a 0-2cm
201
olive grey (5Y 5/2) sandy silty gravel
202
cohesive
203
distinct vesicular crust
204
rock fragments subangular and unstained
205
abrupt boundary,
52b 2-15cm
301
grey (5Y 5/1) gravelly silt
302
firmly cohesive
303
breaking to well developed silt ball structure
304
rock fragments subangular and unstained
305
abrupt boundary,
52c 15-20cm
401
grey (5Y 5/1) gravelly silt
402
firmly cohesive
403
frosted breaking to well developed silt ball structure
404
rock fragments subangular and unstained
405
sharp boundary, on frozen ground
Yes
a,b,c
Hard ice-cemented
20
1
(20cm)
Descr
An undulating uneven very bouldery moraine surface about 1.5km SE of Evans Cove; the surface has been reworked by patterned ground/soliflual processes |
with finer sized soil material appearing to have flowed around very large boulders; the site is a pocket of finer till amongst large boulders |
Soluble Salt |
Concentration |
5200001
52a
0-2cm
0
2
none
5200002
52b
2-15cm
2
15
none
5200003
52c
15-20cm
15
20
none
12-Dec-2005
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