Ross Sea Region Soil Sites
243000
243
10-Dec-1969
IBC, GGC
Scott Glacier region, southern Trans-antarctic Mountains on the Watson Escarpment
Soil weathering examination
US Geological Survey 1:250 000 1968, Mount Blackburn
CS Lscp
No
-147.5620
-86.2200
86deg 13.2'S
147deg 33.7'E
A small granitic nunatak in Long Valley approximately 8.5km NNW of Mount Blackburn; from the top of the rounded hill
0
Nil
1,600
| The hill is a nunatak of granite about 100m above the glacier level; the granite is strongly jointed breaking up into large blocks; there is little evidence of erratics other than |
| granite |
| Some snow patches but no thawing observed; some occasional soil moistening indicated by a |
| vesicular soil crust |
-35
Inland Mountain
Disaggregated granite and thin granitic till
Nil observed
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
Surface boulders show some rounding and surface staining; moderate surface exfoliation; accumulations of fines mainly in rock clefts
Nil
243a 0-4cm
101
light yellowish brown to very pale brown (10YR 6/4 - 7/4) sandy granular gravel
102
weakly cohesive with some fines cohering to larger rock fragments
103
moderately developed vesicular structure
104
rock particles angular with some weakly stained
105
distinct boundary,
243b 4-20cm
201
light yellowish brown (10YR 6/4) granular sandy gravel
202
loose
203
a few fine salt flecks
204
rock particles angular with some distinct but light surface staining
205
sharp boundary, on bedrock
Yes
a,b
dry frozen
20
3
(>20cm)
| Soluble Salt |
| Concentration |
24300001
74.00
24300002
41.00
24300001
24300002
24300001
24300002
12-Dec-2005
Page 200 of 896
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