Ross Sea Region Soil Sites
41000
41
17-Nov-1964
IBC, GGC
Inexpressible Island, Terra Nova Bay
Biological sample
USGS 1:250 000 1968; Mt Melbourne SS 58-60/9
No
163.6830
-74.9500
74deg 57.0'S
-163deg -41.0'E
On the west side of a hill on the southern tip of Inexpressible Island; the surface is moderately sloping, mantled with granite boulders up to 2m long and has 1-5m solifluction |
terraces; some small patches of organic material present |
5
W
100
Granite Harbour Intrusives outcrop in places; dark coloured crystalline/schistose basement erratic boulders are also present; the surface is modified by solifluction movement
( overall 25o, site 5o)
Oceanic subxerous, little liquid water available at present but soils wet for a short period |
when patchy snow cover and icey permafrost thaws and water flows downslope |
-17
Coastal Antarctic
Predominantly granitic till, reworked through solifluction movement; soil on solifluction terrace mainly from granule & sand-sized material partially water-sorted during brief periods of thaw & solifluction movement
Small patches of moss/algae forming organic mats
Solifluction terracette, 3-5m lobes with 1m risers
SURFACE WEATHERING or |
SURFACE FEATURES |
Surface boulders are mainly subangular and unstained
Nil
41 NoDsc
101
NotAv
NoObs
0
1
(NoObs)
Soluble Salt |
Concentration |
12-Dec-2005
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