Ross Sea Region Soil Sites
116000
116
3-Jan-1965
IBC, GGC
Victoria Land, Trans-antarctic Mountains; at the southern end of the Cook Mountains in the Brown Hills region of the Darwin Glacier
Soil characterisation
USGS 1:250,000 1963; Carlyon Glacier ST 57-60/13*
B&W & CS Pro & Lscp
No
159.4000
-79.8333
79deg 50.0'S
-159deg -24.0'E
cf. Notes for DESCR below
17
SE
200
Granodiorite of the Granite Harbour Intrusives outcrops on low hills mainly on ridges in the glacially scoured landscape; lower slopes are largely veneered with till which thins |
on upper slopes where granodiorite outcrops |
Oceanic subxerous; the site is dry; light snow was falling at the time of description but was |
evaporating quickly |
-22
Coastal mountain
Granodioritic till
Some black and yellowish lichen on rocks
Not developed
SURFACE WEATHERING or |
SURFACE FEATURES |
Surface boulders 30-90cm across and subangular to subrounded with weak staining on upper surfaces but unstained on undersides; few white salt |
encrustations on undersides of some surface stones |
Nil
116a 0-10cm
201
light yellowish brown ( 10YR 6/4) sandy pebble gravel with some boulders
202
loose to weakly cohesive
203
weakly developed vesicular structure and cementing of coarser particles with fines
204
a few small aggregates of white salt through the horizon
205
rock particles subangular and weakly stained with some calcareous coating
206
indistinct boundary,
116b 10-25cm
301
very pale brown (10YR 7/4) sandy pebble and boulder gravel
302
loose
303
some weak cementing of coarser particles with fines
304
rock particles subangular and weakly stained
305
indistinct boundary,
116c 25-54cm
401
pale yellow (2.5Y 7/4) pebbly bouldery gravel
402
loose
403
some coarse particles weakly coated and cemented with fines
404
rock particles subangular to subrounded and unstained
405
sharp boundary, on frozen ground
8-0cm
101
surface boulders, pebbles and granular sand
102
subangular to subrounded and weakly stained
103
salts beneath some boulders,
Yes
a,b,c
Hard ice-cemented
54
2
(54cm)
Descr
Eastern end of the Brown Hills, near Diamond Hill and approximately 6km E of Diamond Glacier terminus; a small enclosed basin in an undulating glacially |
scoured landscape; the profile site is on the upper SE slope of the basin on a surface without patterned ground |
Soluble Salt |
Concentration |
11600001
116a
0-10cm
0
10
none
11600002
116b
11-20cm
11
20
none
11600003
116c
33-40cm
33
40
none
12-Dec-2005
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