267

Site number:

267

Authors:

IBC, GGC

Date recorded:

1969/12/31

Reason Sampled:

Soil weathering examination

Description:

Near the summit of a peak on a ridge on the Cox Peaks range, about 10km WSW from Mt Crockett; adjacent to a steep rock outcrop

Altitude:

1400 m

Aspect:

NE

Slope:

15 °

Climate

Soil climate zone:

Central Mountain

Estimated mean annual temperature:

-35 °C

Frozen ground depth:

30 cm

Frozen type:

Hard frozen

Frozen comment:

30cm

Geology

Geological setting:

Argillaceous sediments, dark Precambrian acid volcanics and granites occur in the Cox Peaks range; the sediments are intruded by granites

Patterned ground:

Nil

Surface weathering or surface features:

Dark rocks have distinct surface staining and are mainly angular with fragmentation into flaggy forms; scattered salts are present

Soil

Soil parent material:

Mixed slope debris from coarse dark argillaceous sediments,

Previous disturbance:

Nil

Soil weathering stage:

4 (Campbell & Claridge 1975)

Soil moisture status:

Some soil thaw with damp patches

Biological activity:

Scattered yellow lichen