Browse Data | 1981 - Vestfold Hills

⇚ 474 |

475

| 476 ⇛

Site Information

Site number:: 475

Authors:: J Pickard

Date recorded:: 1981/11/16

Reason Sampled:: Soil weathering examination

Description:: A sinuous moraine ridge 300m from an ice cap; on the crest of a ridge

Altitude:: 100 m

Aspect:

Slope:: 3 °

Location Data
Observer	IBC	GGC
GPS	No
Latitude Longitude DMS	68° 36' S 78° 34' E	68° 36' S 78° 34' E
Latitude Longitude DD	-68.600 78.567	-68.600 78.567
Latitude longitude precision DD	0.008 0.008	0.008 0.008
Locality	Vestfold Hills, Ingrid Christensen Coast
Survey

Climate

Soil climate zone:: Coastal Antarctic

Estimated mean annual temperature:: 0 °C

Frozen ground depth:: 0 cm

Frozen type:

Frozen comment:

Geology

Geological setting:: A distinct moraine, probably recent

Patterned ground:: Weakly developed

Surface weathering or surface features:: Rounded boulders unweathered

Soil

Soil parent material:: Very bouldery till of mixed lithology; basement rocks

Previous disturbance:

Soil weathering stage:: 6

Soil moisture status:: Oceanic subxerous; patchy snow cover

Biological activity:

Profile Description
Horizon	Depth	Description
475a	-2 – 0 cm	surface boulders,
475b-g	0 – 65 cm	greyish brown sandy bouldery gravel; loose; rocks angular to rounded

Sample Data

Physical Data
Sample name	Depth description	Top (cm)	Base (cm)	Bulk Density	Dry Bulk Density	Gravimetric Moisture	Vol. Moisture (BD=2)
475a	2-0	-2	0			No
475b	0-10cm	0.0	10.0			No
475c	10-20cm	10.0	20.0			No
475d	20-30cm	20.0	30.0			No
475e	30-40cm	30.0	40.0			No
475f	40-50cm	40.0	50.0			No
475g	50-60+cm	50.0	60+			No

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
475a
475b	8.4	.	.	.	.	.	.	.	0.06	.
475c
475d	7.8	.	.	.	.	.	.	.	0.06	.
475e
475f	8.2	.	.	.	.	.	.	.	0.2	.
475g	8.2	.	.	.	.	.	.	.	0.14	.

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
475a
475b		37.0	15.0	16.0	10.0	10.0	7.0	5.0	0.3	.
475c
475d		43.0	18.0	13.0	7.0	9.0	7.0	3.0	0.3	.
475e
475f		42.0	21.0	15.0	8.0	8.0	4.0	3.0	0.3	.
475g		54.0	16.0	12.0	6.0	5.0	3.0	4.0	0.2	.

Clay Mineralogy
Sample name	Mica	IHM	HIV - IHM	ICHL	VT	HIV	CHL	SM	CHL SM	FE - CHL	HT	QTZ	FLD	HB	CAL	Notes
475a																:
475b	75.0	.	.	.	.	20.0	.	.	.	.	.	.	.	5.0		:
475c																:
475d	75.0	.	.	.	.	20.0	.	.	.	.	.	.	.	5.0		:
475e																:
475f	60.0	.	.	.	.	25.0	.	.	.	.	.	4.0	3.0	8.0		:
475g	70.0	.	.	7.0	5.0	.	.	5.0	.	.	.	.	3.0	10.0		:

National Soil Archive Samples
Sample name	NSA Sample Id	Container type	Fraction type
475a	M22/3007	medium	coarse
475b	M22/3008	large sq	coarse
475b	M22/3009	medium	fine
475c	M22/3010	medium	coarse
475c	M22/3011	White lid small	fine
475d	M22/3012	large sq	coarse
475d	M22/3013	White lid small	fine
475e	M22/3014	medium	coarse
475f	M22/3015	large sq	coarse
475g	M22/3016	large sq	coarse
475g	M22/3017	White lid small	fine

Photos

Photo record:

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