Ross Sea Region Soil Sites
710000
710
4-Jan-1993
IBC, GGC
Marble Point, on the western side of McMudo Sound
soil moisture investigation to characterise the soil moisture profile of a soil following a heavy snowfall
not recorded
No
163.6830
-77.4167
77deg 25.0'S
-163deg -41.0'E
on a small knoll approximately 250m west of the Marble Point air facility buildings
0
70
cf. Notes for GEOLAND below
xerous to subxerous; sampled 25cm from edge of a recent snow cover
-18
coastal mountain
stony young till
weakly developed
SURFACE WEATHERING or |
SURFACE FEATURES |
some rounding of surface clasts wit weak patchy staining in places
probably some disturbance due to walking
710a 2-0cm
101
surface pavement
102
loose
103
moist,
710b 0-8cm
201
granular to cobbly sand
202
loose
203
moist,
710c 8-16cm
301
granular to cobbly sand
302
loose to moderately cohesive
303
slightly moist,
710d 16-24cm
401
pebbly silty sand
402
moderately cohesive,
710e 24-32cm
501
silty to sandy pebbly to cobbly gravel
502
loose,
710f 32-40cm
601
silty to sandy pebble to cobble gravel
602
moderately cohesive,
710g 40-50cm
701
silty to sandy pebble gravel
702
very firm
703
frozen.
yes
ice cemented
40
Geoland
basement rocks at Marble Point include marble, gneiss, granodiorites etc. which are exposed to the east but largely covered with thin stony till deposits towards |
the Wilson Piedmont Glacier to the west; the tills are mainly young and unweathered but in places overlie older more weathered till; The marble point area in the |
vicinity of the air facility was heavily disturbed in the 1950's for the construction of a land runway |
Soluble Salt |
Concentration |
71000001
710a
2-0cm
-2
0
4.10
none
71000002
710b
0-8cm
0
8
4.00
none
71000003
710c
8-16cm
8
16
2.80
none
71000004
710d
16-24cm
16
24
6.90
none
71000005
710e
24-32cm
24
32
3.80
none
71000006
710f
32-40cm
32
40
4.50
none
71000007
710g
40-50cm
40
50
12.00
none
71000007
12.00
71000004
4.70
71000005
2.80
71000006
4.40
71000002
3.80
71000003
2.00
71000001
3.50
71000007
71000004
71000005
71000006
71000002
71000003
71000001
71000007
71000004
71000005
71000006
71000002
71000003
71000001
12-Dec-2005
Page 668 of 896
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