Browse Data | 1969 - Scott Glacier

236

Site Information

Site number:: 236

Authors:: IBC, GGC

Date recorded:: 1969/12/05

Reason Sampled:: Soil weathering examination

Description:: Approximately 2.5km NNE of Mt Czegka on the head wall of a small dry cirque valley, about one third way up thee valley head surface

Altitude:: 1850 m

Aspect:: E

Slope:: 27 °

Location Data
Observer	IBC	GGC
GPS	No
Latitude Longitude DMS	86° 20' S 148° 28' W	86° 20' S 148° 30' W
Latitude Longitude DD	-86.33 -148.467	-86.33 -148.50
Latitude longitude precision DD	0.08 0.008	0.08 0.08
Locality	Scott Glacier region, southern Trans-antarctic Mountains at the southern end of the Watson Escarpment
Survey	US Geological Survey 1:250 000 1968, Mount Blackburn

Climate

Soil climate zone:: Inland Mountain

Estimated mean annual temperature:: -35 °C

Frozen ground depth:: 25 cm

Frozen type:: ice-cemented

Frozen comment:: 25cm

Geology

Geological setting:: The deposit on the valley sides and head wall are dominantly local slope drift materials from local outcrops

Patterned ground:: Weakly developed broad nets

Surface weathering or surface features:: Rocks mainly subangular with some subrounded; distinct surface oxidation; some exfoliation and granular disintegration

Soil

Soil parent material:: Partly weathered sandy to silty gravel slope detritus from granitic rocks

Previous disturbance:: Nil

Soil weathering stage:: 3 (Campbell & Claridge 1975)

Soil moisture status:: Scattered snow patches but no liquid moisture

Biological activity:: Nil observed

Profile Description
Horizon	Depth	Description
236a	0 – 5 cm	pale brown to light yellowish brown (10YR 6/3 - 2.5Y 6/4) sandy gravel; weakly cohesive; rock particles sub rounded to subangular with some weakly stained; distinct boundary,
236b	5 – 25 cm	pale brown to light yellowish brown (10YR 6/3 - 2.5Y 6/4) sandy to silty gravel; loose; rock particles subrounded to subangular with some partly altered; sharp boundary,
236c	25 – 30 cm	ice cemented gravel

Sample Data

Physical Data
Sample name	Depth description	Top (cm)	Base (cm)	Bulk Density	Dry Bulk Density	Gravimetric Moisture	Vol. Moisture (BD=2)
236a	0-5cm	0.0	5.0			No
236b	5-25cm	5.0	25.0			No
236c	25-30cm	25.0	30.0			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
236a
236b
236c

Clay Mineralogy
Sample name	Mica	IHM	HIV - IHM	ICHL	VT	HIV	CHL	SM	CHL SM	FE - CHL	HT	QTZ	FLD	HB	CAL	Notes
236a																:
236b																:
236c																:

National Soil Archive Samples
Sample name	NSA Sample Id	Container type	Fraction type
236a	M22/1304	White lid small	coarse
236a	M22/1305	White lid small	fine
236a	M22/7035	Glass vial metal lid
236b	M22/1306	White lid small	coarse
236b	M22/1307	medium	fine
236b	M22/7036	Glass vial metal lid
236c	M22/1308	White lid small	coarse
236c	M22/1309	White lid small	fine

Photos

Photo record:

Loading...