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- Site number:
- 474
- Authors:
- J Pickard
- Date recorded:
- 1981/11/13
- Reason Sampled:
- Soil weathering examination
- Description:
- Bela Hill, an elongate sinuous moraine ridge; on a crest
- Altitude:
- 40 m
- Aspect:
- SW
- Slope:
- 2 °
Location Data | Observer | IBC | GGC |
|---|
| GPS | No | |
|---|
| Latitude Longitude DMS | 68° 35' S 78° 05' E | 68° 35' S 78° 05' E |
|---|
| Latitude Longitude DD | -68.58 78.08 | -68.58 78.08 |
|---|
| Latitude longitude precision DD | 0.04 0.04 | 0.04 0.04 |
|---|
| Locality | Vestfold Hills, Ingrid Christensen Coast | |
|---|
| Survey | | |
|---|
Climate
- Soil climate zone:
- Coastal Antarctic
- Estimated mean annual temperature:
- 0
°C
- Frozen ground depth:
- 86 cm
- Frozen type:
- Hard ice-cemented
- Frozen comment:
- 86cm
Geology
- Geological setting:
-
- Patterned ground:
- Very weakly expressed
- Surface weathering or surface features:
- Surface rock disaggregation; bouldery surface with a weakly developed pavement
Soil
- Soil parent material:
- Bouldery till of mixed lithology
- Previous disturbance:
-
- Soil weathering stage:
- Soil moisture status:
- Oceanic subxerous; patchy snow cover
- Biological activity:
-
Profile Description | Horizon | Depth | Description |
|---|
| 474a | -2 – 0 cm | surface bouldery but variable, sand, pebbles, cobbles and boulders; ventifacted with elongate pits; distinct surface weathering, |
| 474b-d | 0 – 30 cm | olive (5Y 4/3) clayey sand; pebbles and rocks; structureless; merging, |
| 474e | 30 – 40 cm | light grey to grey (10YR 6/1) sand; lenses with a few rocks, |
| 474f-j | 40 – 86 cm | olive (5Y 4/3) clayey sand with gravel, pebbles and rocks, on frozen ground |
Sample Data
Physical Data | Sample name | Depth description | Top (cm) | Base (cm) | Bulk Density | Dry Bulk Density | Gravimetric Moisture | Vol. Moisture (BD=2) |
|---|
| 474a | 2-0 | -2 | 0 | | | No | |
| 474b | 0-10cm | 0.0 | 10.0 | | | No | |
| 474c | 10-20cm | 10.0 | 20.0 | | | No | |
| 474d | 20-30cm | 20.0 | 30.0 | | | No | |
| 474e | 30-40cm | 30.0 | 40.0 | | | No | |
| 474f | 40-50cm | 40.0 | 50.0 | | | No | |
| 474g | 50-60cm | 50.0 | 60.0 | | | No | |
| 474h | 60-70cm | 60.0 | 70.0 | | | No | |
| 474i | 70-80cm | 70.0 | 80.0 | | | No | |
| 474j | 80-86cm | 80.0 | 86.0 | | | No | |
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 |
|---|
| 474a | | | | | | | | | | | |
| 474b | 9.1 | 0.64 | 0.04 | 0.38 | 0.1 | 0.03 | 0.36 | . | 1.12 | . | |
| 474c | 8.9 | 2.1 | 0.13 | 0.64 | 0.09 | 2.0 | 0.63 | . | 2.23 | . | |
| 474d | 8.9 | 2.5 | 0.13 | 0.71 | 0.09 | 2.3 | 0.54 | . | 1.82 | . | |
| 474e | 9.3 | 0.64 | 0.04 | 0.28 | 0.08 | 0.76 | 0.31 | . | 0.94 | . | |
| 474f | 9.8 | 0.31 | 0.03 | 0.32 | 0.11 | 0.01 | 0.35 | . | 0.34 | . | |
| 474g | 8.9 | 0.16 | 0.02 | 0.25 | 0.09 | 0.15 | 0.15 | . | 0.17 | . | |
| 474h | | | | | | | | | | | |
| 474i | 8.6 | 0.22 | 0.04 | 0.29 | 0.09 | 0.01 | 0.21 | . | 0.25 | . | |
| 474j | | | | | | | | | | | |
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 |
|---|
| 474a | | | | | | | | | | | |
| 474b | | 24.0 | 19.0 | 23.0 | 13.0 | 10.0 | 8.0 | 3.0 | 0.5 | . | |
| 474c | | 18.0 | 17.0 | 23.0 | 14.0 | 11.0 | 11.0 | 5.0 | 0.6 | . | |
| 474d | | 20.0 | 17.0 | 23.0 | 14.0 | 10.0 | 8.0 | 7.0 | 0.3 | . | |
| 474e | | 16.0 | 14.0 | 26.0 | 21.0 | 14.0 | 5.0 | 2.0 | 0.4 | . | |
| 474f | | 18.0 | 18.0 | 22.0 | 15.0 | 12.0 | 9.0 | 7.0 | 0.4 | . | |
| 474g | | 20.0 | 19.0 | 23.0 | 14.0 | 11.0 | 9.0 | 4.0 | 0.6 | . | |
| 474h | | | | | | | | | | | |
| 474i | | 12.0 | 15.0 | 25.0 | 17.0 | 14.0 | 12.0 | 5.0 | 0.6 | . | |
| 474j | | | | | | | | | | | |
Clay Mineralogy | Sample name | Mica | IHM | HIV - IHM | ICHL | VT | HIV | CHL | SM | CHL SM | FE - CHL | HT | QTZ | FLD | HB | CAL | Notes |
|---|
| 474a | | | | | | | | | | | | | | | | : |
| 474b | 50.0 | . | . | . | 25.0 | 5.0 | . | . | . | . | . | 5.0 | 5.0 | 10.0 | | tr crist:HIV-IHM=tr: |
| 474c | 65.0 | . | . | . | 20.0 | 5.0 | . | . | . | . | . | . | . | 10.0 | | : |
| 474d | 55.0 | . | 5.0 | . | 10.0 | 10.0 | . | . | . | . | . | 5.0 | 5.0 | 10.0 | | : |
| 474e | 60.0 | . | . | 5.0 | 15.0 | 5.0 | . | . | . | . | . | 5.0 | 5.0 | 5.0 | | : |
| 474f | 70.0 | . | 5.0 | . | 10.0 | 5.0 | . | 5.0 | . | . | . | . | 5.0 | 5.0 | | : |
| 474g | 70.0 | . | . | 5.0 | 10.0 | 5.0 | . | . | . | . | . | . | 5.0 | 5.0 | | : |
| 474h | | | | | | | | | | | | | | | | : |
| 474i | 80.0 | . | . | 5.0 | 10.0 | . | . | . | . | . | . | . | . | . | | :HIV=tr:QTZ=tr: |
| 474j | | | | | | | | | | | | | | | | : |
National Soil Archive Samples | Sample name | NSA Sample Id | Container type | Fraction type |
|---|
| 474a | M22/2987 | large sq | coarse |
| 474a | M22/2988 | medium | fine |
| 474b | M22/2989 | medium | coarse |
| 474b | M22/2990 | medium | fine |
| 474c | M22/2991 | White lid small | coarse |
| 474c | M22/2992 | medium | fine |
| 474d | M22/2993 | medium | coarse |
| 474d | M22/2994 | medium | fine |
| 474e | M22/2995 | medium | coarse |
| 474e | M22/2996 | large sq | fine |
| 474f | M22/2997 | medium | coarse |
| 474f | M22/2998 | medium | fine |
| 474g | M22/2999 | White lid small | coarse |
| 474g | M22/3000 | medium | fine |
| 474h | M22/3001 | White lid small | coarse |
| 474h | M22/3002 | medium | fine |
| 474i | M22/3003 | medium | coarse |
| 474i | M22/3004 | White lid small | fine |
| 474j | M22/3005 | White lid small | coarse |
| 474j | M22/3006 | White lid small | fine |
Photos
- Photo record:
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