Ross Sea Region Soil Sites
755097
755a
12-Jan-1994
IBC, GGC, DSS
Vanda Station, Wright Valley
Soil contamination studies Vanda Station from a series of sites spaced 1m apart; to determine if |
contaminants are being redistributed through the soils as a result of capillary movement and evaporation of |
moisture |
not recorded
Pro CS & Lscp
No
161.6730
-77.5217
77deg 31.3'S
-161deg -40.4'E
VT2 a; second traverse commencing 6m from the lake edge at the mouth of greywater gully, approximately 50m east of the Vanda Station buildings; 8 samples collected at 1m |
intervals from near the lake edge, in a westerly direction across the wetting front |
6
SE
93
cf. Notes for GEOLAND below
(6o)
Xerous; the soil is saturated by rising lake waters near the lake edge but is dry 8m away at the |
up-slope sample site |
-20
Central Mountain
Cobbly granular sand over granodiorite bedrock
None observed
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
A loose granular to small pebble pavement between common granodiorite and lamprophyre surface cobbles
Disturbance from previous activities at Vanda Station includes trampling and some accumulation of foreign materials
755a 0-10cm
101
light olive brown (2.5Y 5/4) pebbly granular sand
102
wet with the water table at 6cm
103
moderately cohesive
104
sharp boundary
105
on granodiorite bedrock
Yes (IGNS)
0
1
Soluble Salt |
Concentration |
12-Dec-2005
Page 718 of 896
755a