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- Site number:
- 9
- Authors:
- IBC, GGC
- Date recorded:
- 1964/10/29
- Reason Sampled:
- Examination of salts
- Description:
- Eastern side of glacial basin below Luther Peak, on a foot slope
- Altitude:
- 125 m
- Aspect:
- E
- Slope:
- 15 °
Location Data Observer | IBC |
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GPS | No |
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Latitude Longitude DMS | 72° 21' S 169° 53' E |
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Latitude Longitude DD | -72.350 169.883 |
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Latitude longitude precision DD | 0.008 0.008 |
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Locality | Northern Victoria Land near Hallett Peninsula; west side of Edisto Inlet near Luther Peak |
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Survey | MZMS 166; 1960 Tucker Glacier |
Climate
- Soil climate zone:
- Coastal Antarctic
- Estimated mean annual temperature:
- -15
°C
- Frozen ground depth:
- 5 cm
- Frozen type:
- Hard ice-cemented
- Frozen comment:
- 5cm
Geology
- Geological setting:
- Till and slope drift derived from schistose greywackes of the Robertson Bay Group
- Patterned ground:
- Weakly developed solifluction terracing
- Surface weathering or surface features:
- Surface clasts subangular and unweathered, white encrustations of salt on some rocks, on the soil surface and beneath some surface stones
Soil
- Soil parent material:
- Greywacke till, with surface reworking due to downslope movement
- Previous disturbance:
- Nil
- Soil weathering stage:
- 1 (Campbell & Claridge 1975)
- Soil moisture status:
- Xerous to subxerous
- Biological activity:
- Nil observed
Profile Description Horizon | Depth | Description |
9a | 0 – 2 cm | white to light grey (5Y 8/1-7/1) gravelly silt; firmly cohesive; strongly vesicular; rock fragments angular and unstained; sharp boundary, |
9b | 2 – 5 cm | light olive grey (5Y 6/2) silty pebble gravel; loose to weakly cohesive; rock fragments angular and unstained |
Sample Data
Physical Data Sample name | Depth description | Top (cm) | Base (cm) | Bulk Density | Dry Bulk Density | Gravimetric Moisture | Vol. Moisture (BD=2) |
9a | 0-2cm | 0.0 | 2.0 | | | | |
9b | 2-5cm | 2.0 | 5.0 | | | | |
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 |
9a | 9.6 | 6.8 | <0.1 | <0.1 | 0.07 | 4.5 | 1.6 | <0.05 | . | 1.0 | |
9b | 9.4 | 1.0 | <0.1 | <0.1 | 0.07 | 0.6 | 0.7 | 0.7 | . | 0.15 | |
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 |
9a | 16 | 22.0 | 8.7 | 8.3 | 3.4 | 12.1 | 34.5 | 11.0 | 0.1 | . | |
9b | 54 | 46.5 | 25.3 | 17.6 | 2.7 | 2.4 | 4.0 | 1.4 | 0.14 | . | |
Clay Mineralogy Sample name | Mica | IHM | HIV - IHM | ICHL | VT | HIV | CHL | SM | CHL SM | FE - CHL | HT | QTZ | FLD | HB | CAL | Notes |
9a | 55.0 | . | . | . | . | 10.0 | 10.0 | 25.0 | . | . | . | . | . | . | | |
9b | 65.0 | . | . | . | . | 5.0 | 25.0 | 5.0 | . | . | . | . | . | . | | |
National Soil Archive Samples Sample name | NSA Sample Id | Container type | Fraction type |
9a | M22/0437 | medium | coarse |
9a | M22/0438 | large | fine |
9a | M22/6712 | Glass vial metal lid | |
9b | M22/0439 | large | coarse |
9b | M22/0440 | medium | fine |
9b | M22/6713 | Glass vial metal lid | |
Photos
- Photo record:
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