Ross Sea Region Soil Sites
39000
39
17-Nov-1964
IBC, GGC
Inexpressible Island, Terra Nova Bay
Soil characterisation
USGS 1:250 000 1968; Mt Melbourne SS 58-60/9
CS LScp
No
163.6830
-74.9500
74deg 57.0'S
-163deg -41.0'E
cf. Notes for DESCR below
2
W
105
Granite Harbour Intrusives outcrop in places; the surface is at a similar level to other prominent planar surfaces at Cape Russell on the Northern Foothills; dark coloured |
crystalline/schistose basement erratic boulders are also present |
(2o)
Oceanic subxerous, little liquid water available at present, moisture source occasional |
snowmelt |
-17
Coastal Antarctic
Bouldery granitic till
Few scattered lichens on rocks
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Granite boulders showing distinct patchy surface staining; slight surface exfoliation; boulders mainly subrounded; some wind abrasion
Nil
3-0cm
101
surface pebbles
102
subrounded and weakly stained,
39. 0-6cm
201
light grey (5Y 7/2) pebbly sand
202
loose
203
39a 6-20cm
301
light grey (5Y 7/2) gravelly silty sand
302
weakly frosted and slightly cohesive
303
rock fragments subangular to subrounded and unstained
304
abrupt boundary, on frozen ground
Yes
a
Hard ice-cemented
20
1
(20cm)
Descr
A bouldery knoll, possibly a former wave cut surface, near the southern tip of Inexpressible Island; the surface is gently convex and mantled with large (up to |
4m) boulders most of which are rounded to subrounded; profile site between large upstanding boulders |
Soluble Salt |
Concentration |
3900001
39a
6-20cm
6
20
none
12-Dec-2005
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