Browse Data | 1981 - Vestfold Hills

483

| 482 ⇛

Site Information

Site number:: 483

Authors:: J Pickard

Date recorded:: 1981/11/11

Reason Sampled:: Soil weathering examination

Description:: Perched Rock; transverse moraine ridge; draped on the crest of a ridge; on a ridge crest

Altitude:: 85 m

Aspect:: Nil

Slope:: 0 °

Location Data
Observer	GGC	IBC
GPS		No
Latitude Longitude DMS	68° 34' S 78° 10' E	68° 34' S 78° 10' E
Latitude Longitude DD	-68.567 78.17	-68.567 78.17
Latitude longitude precision DD	0.008 0.08	0.008 0.08
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:: Extensive till surface with large boulders; mainly basement rocks

Patterned ground:: Nil

Surface weathering or surface features:: Boulders moderately upstanding; partly rounded; some minor pitting; some cavernous weathering;

Soil

Soil parent material:: Sandy gravel till

Previous disturbance:

Soil weathering stage:

Soil moisture status:: Oceanic subxerous; small snow patches present

Biological activity:

Profile Description
Horizon	Depth	Description
483b-l	0 – 105 cm	heterogeneous greenish sandy clay with gravel, pebbles and boulders; many large clasts; some rock surfaces with white crusts,

Sample Data

Physical Data
Sample name	Depth description	Top (cm)	Base (cm)	Bulk Density	Dry Bulk Density	Gravimetric Moisture	Vol. Moisture (BD=2)
483a	2-0cm	-2	0			No
483b	0-10cm	0.0	10.0			No
483c	10-20cm	10.0	20.0			No
483d	20-30cm	20.0	30.0			No
483e	30-40cm	30.0	40.0			No
483f	40-50cm	40.0	50.0			No
483g	50-60cm	50.0	60.0			No
483h	60-70cm	60.0	70.0			No
483i	70-80cm	70.0	80.0			No
483j	80-90cm	80.0	90.0
483k	90-100cm	90.0	100.0
483l	100-105cm	100.0	105.0

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
483a
483b	8.1	1.1	3.6	1.4	0.25	1.2	3.6	.	1.82	.
483c	9.4	0.51	0.06	0.48	0.11	0.8	0.49	.	1.0	.
483d	8.9	2.1	0.73	1.7	0.25	2.5	1.4	0.01	3.02	.
483e
483f	8.6	2.1	0.54	1.7	0.23	2.5	0.41	0.01	2.03	.
483g
483h
483i
483j	9.3	1.1	0.24	0.84	0.11	1.8	0.34	.	2.02	.
483k	8.4	1.8	0.31	1.2	0.16	2.0	0.39	.	2.31	.
483l	8.9	1.1	0.23	0.92	0.11	1.5	0.34	.	1.62	.

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
483a
483b		46.0	19.0	14.0	6.0	5.0	5.0	5.0	0.5	.
483c		32.0	24.0	19.0	8.0	6.0	5.0	4.0	0.4	.
483d		25.0	19.0	20.0	10.0	9.0	10.0	7.0	0.4	.
483e
483f		21.0	18.0	23.0	14.0	10.0	6.0	7.0	0.6	.
483g
483h		23.0	22.0	21.0	12.0	10.0	6.0	5.0	0.3	.
483i
483j		18.0	19.0	22.0	13.0	12.0	7.0	8.0	0.6	.
483k
483l		28.0	18.0	17.0	9.0	8.0	11.0	8.0	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
483a																:
483b	60.0	.	.	10.0	10.0	.	5.0	.	.	.	.	4.0	8.0	8.0		:
483c	70.0	.	.	7.0	.	.	3.0	.	.	.	.	5.0	5.0	10.0		:
483d	80.0	.	.	.	.	3.0	2.0	.	.	.	.	5.0	5.0	5.0		:
483e																:
483f	65.0	.	.	5.0	10.0	2.0	1.0	.	.	.	.	3.0	7.0	7.0		:
483g																:
483h	60.0	.	.	10.0	.	5.0	5.0	.	.	.	.	5.0	5.0	5.0		:
483i																:
483j	55.0	.	.	10.0	15.0	.	.	.	.	.	.	5.0	5.0	10.0		:
483k																:
483l	55.0	.	.	7.0	15.0	.	2.0	.	.	.	.	7.0	7.0	7.0		:

Photos

Photo record:

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