Ross Sea Region Soil Sites
100000
100
24-Dec-1964
IBC, GGC
Victoria Land, Trans-antarctic Mountains; at the southern end of the Cook Mountains in the Brown Hills region of the Darwin Glacier
Weathering examination
USGS 1:250,000 1963; Carlyon Glacier ST 57-60/13*
CS Lscp
No
158.4830
-79.8000
79deg 48.0'S
-158deg -29.0'E
Approx 5km NE of Bastion Hill; a sloping bouldery till surface with large 2-4m cavernously weathered granite boulders; soil sample collected from fine material from a cavern |
in a granite boulder |
5
N
775
cf. Notes for GEOLAND below
Xerous to subxerous
-23
Coastal mountain
Disaggregated weathering granite
Nil observed
SURFACE WEATHERING or |
SURFACE FEATURES |
very bouldery surface; granite boulders (2-4m) subrounded with moderately stained surfaces and well developed cavernous weathering; occasional dolerite |
boulders, moderately stained |
Nil
100a 0-3cm
101
pale brown (10YR 6/3) pebbly granular sand
102
loose
103
rock particles mainly subangular and unstained but a few with weak surface staining
104
abrupt boundary,
100b 3-8cm
201
light grey (2.5Y 7/2) pebbly granular sand
202
weakly cohesive
203
many fine crystalline salts
204
rock particles from disintegrating granite subangular and unstained, on crumbling granite
Yes
a,b
0
2
Geoland
Granites and granodiorite rocks from the Granite Harbour Intrusives are extensive and form the dominant component of the tills; Ferrar Dolerite which occurs in |
sills within the basement rocks occurs in lesser amounts; till deposited from retreating local glaciers is less extensive on lower slopes |
Soluble Salt |
Concentration |
10000001
100a
0-3cm
0
3
none
10000002
100b
3-8cm
3
8
none
12-Dec-2005
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