Site Information

Site number:
239
Authors:
IBC, GGC
Date recorded:
1969/12/05
Reason Sampled:
Salt examination
Description:
A ridge top peak to the north of Mt Czgeka; at the summit amongst rock outcrops; a narrow craggy ridge with pockets of weathering debris
Altitude:
2025 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 86° 21' S 148° 37' W 86° 21' S 148° 30' W
Latitude Longitude DD -86.350 -148.617 -86.350 -148.50
Latitude longitude precision DD 0.008 0.008 0.008 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:
-40 °C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:

Geology

Geological setting:
Coarse crystalline granitic rocks outcrop with ample evidence of rock weathering at these higher altitudes; occasional salt occurrances, some yellowish
Patterned ground:
Nil
Surface weathering or surface features:
Rock outcrop surfaces show marked oxidation and staining; exfoliation forms manly angular fragments; occasional salt efflorescences on rocks

Soil

Soil parent material:
Salt sample on rock
Previous disturbance:
Nil
Soil weathering stage:
6
Soil moisture status:
Some small snow pockets; probable brief liquid water on rock surfaces after snow fall and thaw
Biological activity:
Yellow crustose lichen (Lecanora griseomarginata, or Acarospora emergens) in cracks in the rock

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
239 No
Sample solution chemistry
Sample namepHNa meq/100gCa meq/100gMg meq/100gK meq/100gCl meq/100gSO4 meq/100gNO3 meq/100gEC mmho/cmSoluble SaltNotes
239 6.13 2.1 20.0 1.6 0.24 1.1 15.0 0.2 2.93 .  
Particle size distribution
Sample name< 2 mm2 - 0.5 mm0.5 - 0.25 mm0.25 - 0.1 mm0.1 - 0.05 mm0.05 - 0.02 mm0.02 - 0.002 mm< 0.002 mmFe2O3CaCO3Notes
239 3.0 7.9 14.4 5.0 4.1 33.2 . 32.1 .
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
239 :
National Soil Archive Samples
Sample nameNSA Sample IdContainer typeFraction type
239 M22/1314 White lid small coarse
239 M22/1315 White lid small fine
239 M22/1316 White lid small mixed

Photos

Photo record:
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