Coastal hills between the Robert Scott Glacier and the Amundsen Glacier; at O'Brien Peak near the top; a rocky surface with small pockets of till between rock outcrops
Altitude:
660 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
85° 28' S 156° 40' W
85° 28' S 156° 40' W
Latitude Longitude DD
-85.467 -156.67
-85.467 -156.67
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 2km from the coast west 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:
Frozen comment:
>30cm
Geology
Geological setting:
O'Brien Peak area has a complex and variable sequence of rocks including metasedimentary quartzite, marbles, schists, and granitised sediments
Patterned ground:
Nil
Surface weathering or surface features:
Distinct staining on rock surfaces; some salts beneath surface clasts
Lichen on adjacent rock outcrop; soil organisms identified in the soil
Profile Description
Horizon
Depth
Description
291a
-2
–
0
cm
surface sandy pebble gravel; rock particles angular with some distinctly stained,
291b
0
–
5
cm
light yellowish brown (2.5Y 6/4) sandy to silty pebbly to bouldery gravel; few fine salt flecks; weakly cohesive; weakly developed vesicular structure; rock particles angular and weakly stained; indistinct boundary,
291c
15
–
25
cm
light grey (2.5Y 7/2) sandy to silty pebbly to bouldery gravel; moderately cohesive to slightly firm; rock particles angular and unstained; sharp boundary, on rock