On the north side of Mt Mooney which forms a large nunatack near the head of the Robison Glacier; the site is on a 'terrace' surface on the lower north side of Mt Mooney, adjacent to the Robison Glacier; the surface is patterned ground with small polygons and is underlain by ice
Altitude:
1850 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
86° 33.4' S 145° 57' W
86° 33.4' S 145° 57' W
Latitude Longitude DD
-86.5567 -145.950
-86.5567 -145.950
Latitude longitude precision DD
0.0008 0.008
0.0008 0.008
Locality
Scott Glacier region, southern Trans-antarctic Mountains
Survey
US Geological Survey 1:250 000, 1968, Mount Blackburn
Climate
Soil climate zone:
Inland Mountain
Estimated mean annual temperature:
-40
°C
Frozen ground depth:
10 cm
Frozen type:
Ablating glacial ice
Frozen comment:
10cm
Geology
Geological setting:
The deposit probably represents till or locally derived materials ablated from stagnant ice; the soil material is a mixture of granitic and metavolcanics
Patterned ground:
Micro-polygons up to 1m diamater with weakly expressed borders; probably formed from ice ablation process
Surface weathering or surface features:
Some clasts with a distinct surface oxidation rhind up to 5mm thick; most clasts angular to subangular and nil staining