3.5km N of Mt Bergen at the southern end of the Convoy Range; on a high benched dolerite ridge surface; sample collectd from a crack in the rock
Altitude:
2000 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
76° 57.5' S 160° 47' E
76° 59' S 160° 47' E
Latitude Longitude DD
-76.958 160.783
-76.983 160.783
Latitude longitude precision DD
0.004 0.008
0.008 0.008
Locality
Convoy Range, Trans-antarctic Mountains, Alatna valley
Survey
Climate
Soil climate zone:
Central mountain
Estimated mean annual temperature:
-35
°C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:
Geology
Geological setting:
Ferrar Dolerite caps many of the high surfaces; which have not been over-ridden by ice for a very long time;
Patterned ground:
Nil
Surface weathering or surface features:
Some cavernous weathering and salt weathering of rock surfaces; strong surface oxidation; some slight deflation hollows with accumultion of fines from exfoliation
Xerous; a dry site with no thaw or soil moistening
Biological activity:
Nil observed
Profile Description
Horizon
Depth
Description
516a
0
–
3
cm
strong brown to yellowish red (7.5YR 5/6 - 5YR 5/6) sandy gravel; moderately cohesive; diffuse salts and some precipitated on rock particles; rock particles angular and moderately stained; some partly altered with amorphous strong brown (7.5YR 5/6) material in fracture faces