A sandstone ridge between Nibelungen and Jotunheim Valleys
Altitude:
1675 m
Aspect:
Slope:
0 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
77° 36.5' S 161° 18' E
77° 36.5' S 161° 18' E
Latitude Longitude DD
-77.608 161.300
-77.608 161.300
Latitude longitude precision DD
0.004 0.008
0.004 0.008
Locality
Wright Valley near the centre of the Asgard Range, to the SW of Lake Vanda between Nibelungen and Jotunheim Valleys
Survey
USGS, Antarctica 1:50,000 Topo. Ser. 1977 Lake Vanda Antarctica
Climate
Soil climate zone:
Inland Mountain
Estimated mean annual temperature:
-28
°C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:
Geology
Geological setting:
Beacon Sandstone rocks vary considerably in their lithology; they are commonly indurated quartzitic sandstone but finer sediments occur generally in thin bands; in some places bands of coal are present; at this site, a band of thin olive green platy sediment was present
Patterned ground:
Nil
Surface weathering or surface features:
Sandstone outcrops with hardened oxidised upper surfaces but cavernous weathering on undersides; softer sedimentary bands crumbling