Walcott Bay, to the south of Walcott Glacier; approximately 1.5km from the Koetlitz Glacier; a stream channel with an outcrop of brown sediment, possibly till
Altitude:
300 m
Aspect:
NE
Slope:
25 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
78° 13' S 163° 29' E
78° 12.5' S 163° 22' E
Latitude Longitude DD
-78.217 163.483
-78.208 163.367
Latitude longitude precision DD
0.008 0.008
0.004 0.008
Locality
Royal Society Range; Transantarctic Mountains
Survey
Ross Island & Vicinity, Antarctica, 1:250 000 US Geological Survey, 1986
Climate
Soil climate zone:
Coastal Antarctic
Estimated mean annual temperature:
-20
°C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:
Geology
Geological setting:
Tills on the lower slopes of the Walcott Bay region are Ross Glacial deposits and are mainly sandy gravels; the stream section shows some finer textured sediments which may be fluvial or old till deposits
Patterned ground:
Nil
Surface weathering or surface features:
Some needle ice activity
Soil
Soil parent material:
Fine textured sediment
Previous disturbance:
Nil
Soil weathering stage:
Soil moisture status:
Oceanic subxerous; an adjacent stream bed currently not flowing
Biological activity:
Nil observed
Profile Description
Horizon
Depth
Description
552a
0 – 5 cm
yellowish brown to dark yellowish brown (10YR 5/4 - 4/4 moist) silty sand; firm,
552b
0 – 5 cm
light grey (10YR 7/2) sandy to silty gravel; very firm to hard; few to many very fine distinct brownish yellow (10YR 6/8) oxidised patches (mottles); rock particles subrounded and unstained