Browse Data | 1964 - Hallett Peninsula

31

| 30 ⇛

Site Information

Site number:: 31

Authors:: IBC, GGC

Date recorded:: 1964/11/05

Reason Sampled:: Weathering examination

Description:: An isolated small rocky knoll on a broad snow and ice covered ridge

Altitude:: 2010 m

Aspect:: Nil

Slope:: 0 °

Location Data
Observer	IBC
GPS	No
Latitude Longitude DMS	72° 26' S 169° 58' E
Latitude Longitude DD	-72.433 169.967
Latitude longitude precision DD	0.008 0.008
Locality	Northern Victoria Land near Hallett Peninsula; on a ridge 7km west of Luther Peak
Survey	MZMS 166; 1960 Tucker Glacier

Climate

Soil climate zone:: Coastal mountain

Estimated mean annual temperature:: -30 °C

Frozen ground depth:: 0 NoObs

Frozen type:: NoObs

Frozen comment:: NoObs

Geology

Geological setting:: Outcropping metagreywacke rocks of the Robertson Bay Group

Patterned ground:: Nil

Surface weathering or surface features:: Strong oxide coating on some surfaces of rock outcrop

Soil

Soil parent material:: Fragmented metagreywacke in cracks between rocks

Previous disturbance:: Nil

Soil weathering stage:: 1 (Campbell & Claridge 1975)

Soil moisture status:: Xerous to subxerous, water occasionally present from snow melt on rocks

Biological activity:: Nil observed

Profile Description
Horizon	Depth	Description
31a	0 – 3 cm	olive (5Y 7/3) pebbly gravel; frosted; rock particles tabular and unstained.

Sample Data

Physical Data
Sample name	Depth description	Top (cm)	Base (cm)	Bulk Density	Dry Bulk Density	Gravimetric Moisture	Vol. Moisture (BD=2)
31a	0-3cm	0.0	3.0
31b

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
31a	8.3	0.1	<0.1	<0.1	0.01	<0.05	<0.1	<0.05	.	0.2

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
31a	32	65.6	14.2	9.2	2.8	3.5	3.8	0.5	0.4	.

Clay Mineralogy
Sample name	Mica	IHM	HIV - IHM	ICHL	VT	HIV	CHL	SM	CHL SM	FE - CHL	HT	QTZ	FLD	HB	CAL	Notes
31a	60.0	.	.	.	.	.	10.0	.	.	30.0	.	.	.	.
31b	.	.	.	.	.	.	.	.	.	.	.	.	.	.		calcite

Photos

Photo record:

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