McDonald Nunataks at the extreme north and east side of the Amundsen Glacier on a low recently exposed till surface towards the eastern end; a flat knoll
Altitude:
300 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
85° 28' S 157° 30' W
85° 28' S 157° 30' W
Latitude Longitude DD
-85.467 -157.50
-85.467 -157.50
Latitude longitude precision DD
0.008 0.08
0.008 0.08
Locality
Scott Glacier region, southern Trans-antarctic Mountains, on the West side of the Robert Scott Glacier, about 1km from the coast and east of the Medina Peaks
Survey
Mount Goodale
Climate
Soil climate zone:
Coastal Mountain
Estimated mean annual temperature:
-20
°C
Frozen ground depth:
30 cm
Frozen type:
Ice cemented
Frozen comment:
30cm
Geology
Geological setting:
The area has a complex and variable sequence of rocks including metasedimentary quartzite, marbles, schists, and granitised sediments; the rocks at this site are granite and marble
Patterned ground:
Moderately developed small nets
Surface weathering or surface features:
Surface rocks unweathered; salt precipitations on the soil surface
Soil
Soil parent material:
recent till from granite and marble; micaceous granite
Black lichens and other lichen species in vicinity
Profile Description
Horizon
Depth
Description
300a
0
–
3
cm
light grey (5Y 7/1) pebbly gravel; moist; weakly cohesive; weakly developed vesicular structure; some surface salt efflorescences; rock particles angular to subangular and unstained; indistinct boundary,
300b
3
–
10
cm
light grey (5Y 7/1) pebbly gravel; moist; moderately cohesive; moderately developed vesicular structure; rock particles angular and unstained; distinct boundary,