Ross Sea Region Soil Sites
203000
203
19-Nov-1969
IBC, GGC
Scott Glacier region, southern Trans-antarctic Mountains
Soil weathering examination
US Geological Survey 1:250 000, 1968, Mount Blackburn
No
-145.9500
-86.5567
86deg 33.4'S
145deg 57.0'E
cf. Notes for DESCR below
0
Nil
1,850
The deposit probably represents till or locally derived materials ablated from stagnant ice; the soil material is a mixture of granitic and metavolcanics
Ultraxerous
-40
Inland Mountain
Ablation till over stagnant ice
Nil Observed
Micro-polygons up to 1m diamater with weakly expressed borders; probably formed from ice ablation process
SURFACE WEATHERING or |
SURFACE FEATURES |
Some clasts with a distinct surface oxidation rhind up to 5mm thick; most clasts angular to subangular and nil staining
Nil
203a 0-10cm
101
very pale brown (10YR 7/3) stony sandy gravel
102
loose
103
rock particles angular and unstained
104
sharp boundary, on ice
Yes
a
Ablating glacial ice
10
1
(10cm)
Descr
On the north side of Mt Mooney which forms a large nunatack near the head of the Robison Glacier; the site is on a 'terrace' surface on the lower north side of |
Mt Mooney, adjacent to the Robison Glacier; the surface is patterned ground with small polygons and is underlain by ice |
Soluble Salt |
Concentration |
20300001
55.00
20300001
20300001
12-Dec-2005
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