601

Site number:

601

Authors:

IBC, GGGC, MRB

Date recorded:

1990/02/05

Reason Sampled:

Soil contamination examination

Description:

Near an old sump site, 3m south of the southern corner of the current Scott Base Bar

Altitude:

7 m

Aspect:

Nil

Slope:

0 °

Climate

Soil climate zone:

Coastal Antarctic

Estimated mean annual temperature:

-18 °C

Frozen ground depth:

1 cm

Frozen type:

Hard ice-cemented

Frozen comment:

1cm

Geology

Geological setting:

Rocks are predominantly scoria flows of the McMurdo Volcanics; Last Glaciation Ross 1 ice covered the site and traces of rocks (sandstone and granite granules and small pebbles) probably from the Royal Society Range can be found; the drift mantle is thin and patchy with bedrock a little below the surface

Patterned ground:

Nil

Surface weathering or surface features:

Nil

Soil

Soil parent material:

Drift deposit from McMurdo Volcanics, with some surface modification from base site occupation; some foreign debris

Previous disturbance:

Disturbed surface from base site occupation with numerous items of anthropic debris

Soil weathering stage:

1 (Campbell & Claridge 1975)

Soil moisture status:

Some surface thaw water during summer; currently dry but frozen to 1cm of the surface

Biological activity:

Nil