Browse Data | 1964 - Hallett Peninsula

17

Site Information

Site number:: 17

Authors:: IBC, GGC

Date recorded:: 1964/11/02

Reason Sampled:: Soil characterisation

Description:: On the northeast slopes of Felsite Island, on a gently sloping scree mantled slope below grewyacke and quartz outcrops

Altitude:: 125 m

Aspect:: NE

Slope:: 10 °

Location Data
Observer	IBC
GPS	No
Latitude Longitude DMS	72° 26' S 169° 49' E
Latitude Longitude DD	-72.433 169.817
Latitude longitude precision DD	0.008 0.008
Locality	Northern Victoria Land near Hallett Peninsula; on Felsite Island at the southern end of Edisto Inlet
Survey	MZMS 166; 1960 Tucker Glacier

Climate

Soil climate zone:: Coastal Antarctic

Estimated mean annual temperature:: -15 °C

Frozen ground depth:: 25 cm

Frozen type:: hard ice-cemented

Frozen comment:: 25cm

Geology

Geological setting:: Folded Robertson Bay Group metagreywacke with quartz veins outcrop extensively and have a thin cover of bedrock-derived slope detritus and minor till

Patterned ground:

Surface weathering or surface features:: surface boulders partly rounded by wind abrasion; fragments of quartz outcrops spread 20m downslope; surface rocks mostly unstained; moderately developed cobble pavement

Soil

Soil parent material:: Stony metagreywacke slope detritus with minor inclusion of felsitic material

Previous disturbance:: Nil

Soil weathering stage:: 2 (Campbell & Claridge 1975)

Soil moisture status:: Oceanic subxerous, no snow cover

Biological activity:: Nil observed

Profile Description
Horizon	Depth	Description
17a	0 – 7 cm	pale yellow (5Y 7/3) pebbly gravelly sand; loose; rock particles angular and unstained; indistinct boundary,
17b	7 – 25 cm	pale yellow to pale olive (5Y 7/3-6/3) pebbly granular sand; weakly frosted; some coatings on rock particles; sharp boundary, on frozen ground

Sample Data

Physical Data
Sample name	Depth description	Top (cm)	Base (cm)	Bulk Density	Dry Bulk Density	Gravimetric Moisture	Vol. Moisture (BD=2)
17a	0-7cm	0.0	7.0
17b	7-25cm	7.0	25.0

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
17a	8.3	0.2	<0.1	<0.1	0.01	0.1	<0.1	<0.05	.	0.04
17b	8.2	0.1	<0.1	<0.1	0.01	0.1	<0.1	<0.05	.	0.02

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
17a	54	51.1	22.0	16.0	4.2	3.1	3.0	0.4	0.13	.
17b	54	48.8	20.1	18.4	4.8	4.4	2.9	0.5	0.18	.

Clay Mineralogy
Sample name	Mica	IHM	HIV - IHM	ICHL	VT	HIV	CHL	SM	CHL SM	FE - CHL	HT	QTZ	FLD	HB	CAL	Notes
17a	60.0	.	20.0	.	5.0	.	10.0	5.0	.	.	.	.	.	.
17b	50.0	.	10.0	.	.	.	15.0	25.0	.	.	.	.	.	.

National Soil Archive Samples
Sample name	NSA Sample Id	Container type	Fraction type
17a	M22/0457	medium	coarse
17a	M22/0458	White lid small	fine
17a	M22/6722	Glass vial metal lid
17b	M22/0459	medium	coarse
17b	M22/0460	medium	fine
17b	M22/6723	Glass vial metal lid

Photos

Photo record:

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