74

Site number:

74

Authors:

IBC, GGC

Date recorded:

1964/12/06

Reason Sampled:

Weathering examination

Description:

Crilly Hill on the North side of McGregor Glacier; on the upper part and West side of a broad convex sloping till covered ridge

Altitude:

1900 m

Aspect:

SW

Slope:

7 °

Climate

Soil climate zone:

central mountain

Estimated mean annual temperature:

-30 °C

Frozen ground depth:

0 NoObs

Frozen type:

NoObs

Frozen comment:

NoObs

Geology

Geological setting:

Low hills on the North side of McGregor Glacier are mainly Beacon Group rocks covered with bouldery dolerite and sandstone till; occurrences of blackish soil are possibly related to outcrops of black shale

Patterned ground:

Nil

Surface weathering or surface features:

Soil

Soil parent material:

Thin doleritic till over black shale

Previous disturbance:

Nil

Soil weathering stage:

6

Soil moisture status:

Xerous; some extensive snow patches

Biological activity:

Nil observed