Ross Sea Region Soil Sites
302000
302
14-Nov-1972
IBC, GGC
East end of Taylor Valley, McMurdo Dry Valley region
Soil characterisation
USGS 1:50,000 Antarctic Topo. Ser. Lake Fryxell Quadrangle
CS Lsc
No
163.5000
-77.6000
77deg 36.0'S
-163deg -30.0'E
On the south side of Taylor Valley, approximately 3.5km SE of the Commonwealth Glacier on a gently sloping gully floor surface alongside Wales Stream; sample from |
beneath a small moss patch |
0
Nil
100
cf. Notes for GEOLAND below
(0o)
A damp site occasionally moistened by running water
-20
Coastal Antarctic
Sandy gravel stream sediment from reworked Late last Glaciation till with organic material from moss
Small moss patches
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Nil
Nil
302a 0-4cm
101
light brownish grey (2.5Y 6/2) sandy granule and pebble gravel with small moss clumps with hyphae extending |
2cm into the soil |
102
loose
103
rock particles rounded to subrounded and non to weakly stained
104
a few faint salt precipitations
Yes
4
1
(>4cm)
Geoland
Lower Taylor Valley tills are derived from the Ross Glaciation which originated from the expanded Ross Ice Shelf; the tills contain Kenyite from outside the |
immediate area; subsequent to the glacial retreat there has been some landform modification by proglacial stream action etc |
Soluble Salt |
Concentration |
30200001
30200001
moss
30200001
12-Dec-2005
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