Ross Sea Region Soil Sites
206000
206
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
1,875
| The deposit probably represents older and more weathered material derived from local granitic and meta-volcanic rocks; the apparently finer texture at this location may |
| indicate some accumulation of wind- blown material |
Ultraxerous
-40
Inland Mountain
Partly oxidised granitic detritus with some fine fraction accumulation
Nil Observed
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
| Surfce rocks show some oxidation; salts are present beneath some clasts; the soil material is distinctly crusty but this appears to be due to partial solution |
| crystalisation |
Nil
206a 0-10cm
101
brownish yellow (10YR 6/6) gravelly silty sand
102
loose but cohesive in places
103
weakly developed vesicular structure with some particles appearing bonded with non-calcareous material
104
rock particles subangular to subrounded and partly altered
105
distinct cohesive salt accumulations underneath some profile clasts,
Yes
a,b
10
4
(>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 knoll approximately 75m above the ice level, |
| in the vicinity and south of of site 205 where there is an occurrnce of yellowish brown finer material |
| Soluble Salt |
| Concentration |
20600001
55.00
20600002
20600001
20600002
20600001
20600002
12-Dec-2005
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