Browse Data | 1969 - Scott Glacier

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251

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Site Information

Site number:: 251

Authors:: IBC,GGC/BCW,HRK

Date recorded:: 1969/12/12

Reason Sampled:: Soil weathering examination

Description:: High on the Watson Escarpment at a dolerite ridge-capping outcrop

Altitude:: 2750 m

Aspect:

Slope:: 0 °

Location Data
Observer	IBC	GGC
GPS	No
Latitude Longitude DMS	86° 13.5' S 146° 35' W	86° 13.5' S 146° 35' W
Latitude Longitude DD	-86.225 -146.58	-86.225 -146.58
Latitude longitude precision DD	0.004 0.04	0.004 0.04
Locality	Scott Glacier region, southern Trans-antarctic Mountains on the Watson Escarpment
Survey	US Geological Survey 1:250 000 1968, Mount Blackburn

Climate

Soil climate zone:: Central Mountain

Estimated mean annual temperature:: -40 °C

Frozen ground depth:: 0 cm

Frozen type:

Frozen comment:

Geology

Geological setting:: Dolerite intrusive rocks cap the Beacon Sandstone and form a stable ridge surface

Patterned ground:

Surface weathering or surface features:: Dolerite is strongly stained and pitted

Soil

Soil parent material:: Weathered downslope dolerite debris

Previous disturbance:: Nil

Soil weathering stage:: 6 4 (Campbell & Claridge 1975)

Soil moisture status:

Biological activity:

Profile Description
Horizon	Depth	Description
251a	0 – 25 cm	brownish yellow (10YR 6/6) sandy pebble and granule gravel; moderately cohesive; distinct salt flecks and some precipitations on rock fragments; rock particles mainly subangular and moderately to strongly altered

Sample Data

Physical Data
Sample name	Depth description	Top (cm)	Base (cm)	Bulk Density	Dry Bulk Density	Gravimetric Moisture	Vol. Moisture (BD=2)
251	0-25cm	0	25			No

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
251

Clay Mineralogy
Sample name	Mica	IHM	HIV - IHM	ICHL	VT	HIV	CHL	SM	CHL SM	FE - CHL	HT	QTZ	FLD	HB	CAL	Notes
251																:

National Soil Archive Samples
Sample name	NSA Sample Id	Container type	Fraction type
251	M22/1365	medium	coarse
251	M22/1366	White lid small	fine
251	M22/7060	Glass vial metal lid

Photos

Photo record:

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