Ross Sea Region Soil Sites
25000
025
3-Nov-1964
IBC, GGC
Northern Victoria Land near Hallett Peninsula; at Redcastle Ridge between the Arneb and Edisto Glaciers
Soil characterisation
MZMS 166; 1960 Tucker Glacier
B&W Pro & CS LScp
No
169.9670
-72.4333
72deg 26.0'S
-169deg -58.0'E
A gentle talus slope a few metres from the crest of Redcastle Ridge
7
NE
325
Scoriaceous basalt, denser flow basalts and brown tuffites of the McMurdo Volcanic Group
Oceanic subxerous, soil moisture derived from occasional snow falls and from wind blown |
snow |
-16
coastal Antarctic
disaggregated scoriaceous and tuffaceous bedrock
Nil observed
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
A weakly developed pavement of scoria cobbles, occasional crystalline salts and carbonate coatings beneath some surface stones
Nil
025 5-0cm
101
surface pebbles and cobbles
102
subangular to angular
103
some white crystalline salt and carbonate coatings beneath,
025a 0-8cm
201
very pale brown to light yellowish brown (10YR 7/3-2.5Y 6/4) pebbly gravel
202
rock particles angular with some pale yellow carbonate coatings
203
indistinct boundary,
025b 8-16cm
301
very pale brown to pale yellow (10YR 7/3-2.5Y 6/4) pebbly gravel
302
loose
303
some small white salt flecks
304
slightly frosted and moist
305
angular rock particles
306
indistinct boundary,
025c 16-25cm
401
very pale brown to pale yellow (10YR 7/3-2.5Y 5/4) pebbly gravel
402
firmly frosted
403
many pebbles with white salt coatings
404
abrupt boundary, on frozen ground
Yes
a,b,c
hard ice-cemented
25
2
(25cm)
Soluble Salt |
Concentration |
2500001
025a
0-8cm
0
8
none
2500002
025b
8-16cm
8
16
none
2500003
025c
16-25cm
16
25
none
12-Dec-2005
Page 25 of 896
025