Approximately 1km from the eastern end of Battleship Promontory; on an undulating bench like surface; adjacent to some small salty ponds; the area surrounding the ponds has thick surface salt encrustations
Altitude:
1075 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
76° 54.5' S 160° 52.4' E
76° 54.5' S 160° 56' E
Latitude Longitude DD
-76.908 160.8730
-76.908 160.933
Latitude longitude precision DD
0.004 0.0008
0.004 0.008
Locality
Convoy Range, Trans-antarctic Mountains, Alatna valley
Survey
Climate
Soil climate zone:
Central mountain
Estimated mean annual temperature:
-28
°C
Frozen ground depth:
0 ??
Frozen type:
Frozen comment:
??
Geology
Geological setting:
Ferrar Dolerite and Beacon Sandstone are the local rocks; the surface is part of dolerite sill
Patterned ground:
Nil
Surface weathering or surface features:
Surface rocks have a fresh appearance resulting from salt weathering
dark yellowish brown (10YR 3/3 moist) sandy gravel; abundant small salt crystals; rock particles subangular and moderately stained; indistinct boundary,
515b
3
–
10
cm
dark yellowish brown (10YR 3/3 moist) sandy gravel; abundant small salt crystals; rock particles unstained; indistinct boundary,
515c
10
–
20
cm
dark yellowish brown (10YR 3/3 wet) sandy gravel; slightly sticky; rock particles subangular and unstained,
515d
20
–
30
cm
dark yellowish brown (10YR 3/3 wet) sandy gravel; abundant coarse salt crystals