Browse Data | 1964 - Hallett Peninsula

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23

| 24 ⇛

Site Information

Site number:: 23

Authors:: IBC, GGC

Date recorded:: 1964/11/03

Reason Sampled:: Weathering examination

Description:: A red scoria outcrop below a rocky knoll on Redcastle Ridge

Altitude:: 225 m

Aspect:: NW

Slope:: 10 °

Location Data
Observer	IBC
GPS	No
Latitude Longitude DMS	72° 27' S 169° 58' E
Latitude Longitude DD	-72.450 169.967
Latitude longitude precision DD	0.008 0.008
Locality	Northern Victoria Land near Hallett Peninsula; at Redcastle Ridge between the Arneb and Edisto Glaciers
Survey	MZMS 166; 1960 Tucker Glacier

Climate

Soil climate zone:: Coastal Antarctic

Estimated mean annual temperature:: -16 °C

Frozen ground depth:: 13 cm

Frozen type:: Hard ice-cemented

Frozen comment:: 13cm

Geology

Geological setting:: red scoriaceous basalt occurs amongst darker flows and brown tuffites of the McMurdo Volcanic Group

Patterned ground:: Nil

Surface weathering or surface features:

Soil

Soil parent material:: Fragmental red scoriaceous basalt with some wind deposited material in the sand fraction

Previous disturbance:: Nil

Soil weathering stage:: 6 2 (Campbell & Claridge 1975)

Soil moisture status:: Oceanic subxerous, soil moisture derived from occasional snowfalls

Biological activity:: Nil observed

Profile Description
Horizon	Depth	Description
23a	0 – 3 cm	dark greyish brown (10YR 4/2) pebbly gravel; loose; salt precipitation on some rock particles; rock particles angular and unstained,
23b	2 – 23 cm	brown to dark brown (7.5YR 4/2) pebbly sandy gravel; loose; rock particles angular 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)
23	0-3cm	0	3
23b	2-23cm	2.0	23.0

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
23	24	.	.	.	.	.	.		.	.	PartSize : not analysed

Clay Mineralogy
Sample name	Mica	IHM	HIV - IHM	ICHL	VT	HIV	CHL	SM	CHL SM	FE - CHL	HT	QTZ	FLD	HB	CAL	Notes
23																not analysed

National Soil Archive Samples
Sample name	NSA Sample Id	Container type	Fraction type
23b	M22/0479	medium	coarse
23b	M22/0480	White lid small	fine
23b	M22/6733	Glass vial metal lid

Photos

Photo record:

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