Browse Data | 1964 - Darwin Glacier

119

Site Information

Site number:: 119

Authors:: IBC, GGC

Date recorded:: 1965/01/06

Reason Sampled:: Weathering examination

Description:: The southwest end of the Brown Hills on Bastion Hill; an outcrop of Beacon Group rocks on the north side of Bastion Hill

Altitude:: 1400 m

Aspect:: N

Slope:: 4 °

Location Data
Observer	IBC
GPS	No
Latitude Longitude DMS	79° 50' S 158° 18' E
Latitude Longitude DD	-79.83 158.300
Latitude longitude precision DD	0.08 0.008
Locality	Victoria Land, Trans-antarctic Mountains; at the southern end of the Cook Mountains in the Brown Hills region of the Darwin Glacier
Survey	USGS 1:250,000 1963; Carlyon Glacier ST 57-60/13*

Climate

Soil climate zone:: Coastal mountain

Estimated mean annual temperature:: -28 °C

Frozen ground depth:: 0 cm

Frozen type:

Frozen comment:

Geology

Geological setting:: A small exposure of Beacon Group sediments occur above the granite

Patterned ground:

Surface weathering or surface features:

Soil

Soil parent material:: An accumulation of disaggregated fine sedimentary rock material over sedimentary rock

Previous disturbance:: Nil

Soil weathering stage:: 3 (Campbell & Claridge 1975)

Soil moisture status:: Oceanic subxerous; some snow patches on ridges and snow was currently falling

Biological activity:: Nil observed

Profile Description
Horizon	Depth	Description
119a	0 – 5 cm	light grey (10YR 7/2) granular silty sand; cohesive; rock particles partly cemented with fines, rounded to subrounded with tabular pebbly exfoliated sandstone fragments; unstained

Sample Data

Physical Data
Sample name	Depth description	Top (cm)	Base (cm)	Bulk Density	Dry Bulk Density	Gravimetric Moisture	Vol. Moisture (BD=2)
119	0-5cm	0	5

Sample solution chemistry
Sample name	pH	Na meq/100g	Ca meq/100g	Mg meq/100g	K meq/100g	Cl meq/100g	SO₄ meq/100g	NO₃ meq/100g	EC mmho/cm	Soluble Salt	Notes
119	7.0	0.4	0.4	0.5	0.3	0.1	0.9	0.2	.	0.4

Particle size distribution
Sample name	< 2 mm	2 - 0.5 mm	0.5 - 0.25 mm	0.25 - 0.1 mm	0.1 - 0.05 mm	0.05 - 0.02 mm	0.02 - 0.002 mm	< 0.002 mm	Fe₂O₃	CaCO₃	Notes
119	54	53.4	21.6	10.5	1.5	2.0	.		0.1	.

National Soil Archive Samples
Sample name	NSA Sample Id	Container type	Fraction type
119	M22/0847	medium	coarse
119	M22/0848	White lid small	fine
119	M22/6907	Glass vial metal lid

Photos

Photo record:

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