220

Site number:

220

Authors:

IBC, GGC

Date recorded:

1969/11/25

Reason Sampled:

Calcium carbonate for possible dating

Description:

North side of a small dry valley area at the head of a lobe of ice extending into an embayment on the west side of Ackerman Ridge; a bouldery valley side surface

Altitude:

1700 m

Aspect:

Nil

Slope:

0 °

Climate

Soil climate zone:

Inland Mountain

Estimated mean annual temperature:

-38 °C

Frozen ground depth:

0 cm

Frozen type:

Frozen comment:

Geology

Geological setting:

Valley head tills mark successive retreat stages of the Scott Glacier; being furthermost from the ice edge, on the valley side above the tills, weathering and surface age appears to increase

Patterned ground:

Weakly to moderately developed

Surface weathering or surface features:

Fresh angular to subrounded surface clasts with some slight surface staining in places; calcium carbonate efflorescences on some rock surfaces

Soil

Soil parent material:

soil crust of sandy to silty fine gravel

Previous disturbance:

Nil

Soil weathering stage:

6 2 (Campbell & Claridge 1975)

Soil moisture status:

Patchcy snow cover but no liquid water observed;

Biological activity:

Nil Observed