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- Site number:
- 479
- Authors:
- J Pickard
- Date recorded:
- 1981/11/11
- Reason Sampled:
- Soil weathering examination
- Description:
- Heidemann Bay ridge; an elongate transverse ridge, at the top of the ridge
- Altitude:
- 25 m
- Aspect:
- Nil
- Slope:
- 0 °
Location Data | Observer | IBC | GGC |
|---|
| GPS | No | |
|---|
| Latitude Longitude DMS | 68° 35' S 77° 57' E | 68° 35' S 77° 37' E |
|---|
| Latitude Longitude DD | -68.58 77.950 | -68.58 77.617 |
|---|
| Latitude longitude precision DD | 0.04 0.008 | 0.04 0.008 |
|---|
| Locality | Vestfold Hills, Ingrid Christensen Coast | |
|---|
| Survey | | |
|---|
Climate
- Soil climate zone:
- Coastal Antarctic
- Estimated mean annual temperature:
- 0
°C
- Frozen ground depth:
- 0 cm
- Frozen type:
-
- Frozen comment:
-
Geology
- Geological setting:
- Bouldery till; dominantly crystalline rocks; possibly reworked beach sediments
- Patterned ground:
- Nil
- Surface weathering or surface features:
- Surface boulders are rounded and show granular disintegration; the inter-bolder surface is granular gravel
Soil
- Soil parent material:
- Very bouldery gravel with lenses of finer materials
- Previous disturbance:
-
- Soil weathering stage:
- Soil moisture status:
- Oceanic subxerous; patchy snow cover
- Biological activity:
-
Profile Description | Horizon | Depth | Description |
|---|
| 479a | -2 – 0 cm | surface bouldery sandy gravel; varied lithology, |
| 479b-c | 0 – 20 cm | mixed sand, gravel and boulders; no structure, |
| 479d | 20 – 30 cm | lens of grey bouldery sand/gravel with more clay, |
| 479e-j | 25 – 100 cm | grey bouldery sandy gravel; traces of carbonate; fragments of worm tubes |
Sample Data
Physical Data | Sample name | Depth description | Top (cm) | Base (cm) | Bulk Density | Dry Bulk Density | Gravimetric Moisture | Vol. Moisture (BD=2) |
|---|
| 479a | 2-0 | -2 | 0 | | | No | |
| 479b | 0-10cm | 0.0 | 10.0 | | | No | |
| 479c | 10-20cm | 10.0 | 20.0 | | | No | |
| 479d | 20-30cm | 20.0 | 30.0 | | | No | |
| 479e | 30-40cm | 30.0 | 40.0 | | | No | |
| 479f | 40-50cm | 40.0 | 50.0 | | | No | |
| 479g | 50-60cm | 50.0 | 60.0 | | | No | |
| 479h | 60-70cm | 60.0 | 70.0 | | | No | |
| 479i | 70-80cm | 70.0 | 80.0 | | | No | |
| 479j | 90-100cm | 90.0 | 100.0 | | | No | |
| 479k | 90-100cm | 90 | 100 | | | 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 |
|---|
| 479a | | | | | | | | | | | |
| 479b | 7.6 | 2.8 | 4.4 | 2.5 | 0.35 | 2.8 | 5.8 | . | 3.6 | . | |
| 479c | 8.9 | 1.7 | 0.65 | 1.3 | 0.21 | 1.4 | 1.8 | . | 2.5 | . | |
| 479d | 8.6 | 0.82 | 0.21 | 0.84 | 0.15 | 0.9 | 0.45 | . | 1.42 | . | |
| 479e | 8.9 | 2.2 | 0.25 | 1.0 | 0.18 | 2.2 | 0.53 | . | 2.34 | . | |
| 479f | 7.8 | 1.3 | 0.14 | 0.77 | 0.15 | 1.6 | 0.4 | . | 1.0 | . | |
| 479g | | | | | | | | | | | |
| 479h | 8.6 | 0.71 | 0.04 | 0.36 | 0.12 | 0.02 | 0.31 | . | 1.25 | . | |
| 479i | 9.2 | 0.7 | 0.04 | 0.47 | 0.12 | 0.52 | 0.28 | . | 0.62 | . | |
| 479j | | | | | | | | | | | |
| 479k | | | | | | | | | | | |
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 |
|---|
| 479a | | | | | | | | | | | |
| 479b | | 36.0 | 21.0 | 20.0 | 9.0 | 7.0 | 4.0 | 2.0 | 0.5 | . | |
| 479c | | 45.0 | 18.0 | 28.0 | 17.0 | 10.0 | 7.0 | 6.0 | 0.14 | . | |
| 479d | | 43.0 | 24.0 | 19.0 | 6.0 | 3.0 | 2.0 | 1.0 | 0.6 | . | |
| 479e | | 29.0 | 22.0 | 23.0 | 11.0 | 6.0 | 5.0 | 4.0 | 0.3 | . | |
| 479f | | 24.0 | 25.0 | 26.0 | 11.0 | 6.0 | 5.0 | 2.0 | 0.5 | . | |
| 479g | | | | | | | | | | | |
| 479h | | 21.0 | 24.0 | 28.0 | 12.0 | 7.0 | 5.0 | 2.0 | 0.5 | . | |
| 479i | | 52.0 | 21.0 | 15.0 | 4.0 | 2.0 | 2.0 | 2.0 | 0.4 | . | |
| 479j | | | | | | | | | | | |
| 479k | | | | | | | | | | | |
Clay Mineralogy | Sample name | Mica | IHM | HIV - IHM | ICHL | VT | HIV | CHL | SM | CHL SM | FE - CHL | HT | QTZ | FLD | HB | CAL | Notes |
|---|
| 479a | | | | | | | | | | | | | | | | : |
| 479b | 60.0 | . | . | 15.0 | . | 5.0 | 5.0 | 5.0 | . | . | . | . | 5.0 | 5.0 | | : |
| 479c | 60.0 | . | . | . | 10.0 | 5.0 | 5.0 | . | . | . | . | . | 5.0 | 15.0 | | : |
| 479d | 60.0 | . | . | 15.0 | 15.0 | . | . | . | . | . | . | . | 5.0 | 5.0 | | : |
| 479e | 70.0 | . | . | . | . | 10.0 | 5.0 | . | . | . | . | . | 5.0 | 10.0 | | : |
| 479f | 50.0 | . | . | 5.0 | 25.0 | 5.0 | . | . | . | . | . | . | 5.0 | 10.0 | | : |
| 479g | | | | | | | | | | | | | | | | : |
| 479h | 60.0 | . | . | 10.0 | 10.0 | 5.0 | . | 5.0 | . | . | . | 5.0 | 5.0 | 5.0 | | : |
| 479i | 40.0 | . | . | 7.0 | 25.0 | 7.0 | . | 3.0 | . | . | . | 3.0 | 3.0 | 10.0 | | : |
| 479j | | | | | | | | | | | | | | | | : |
| 479k | | | | | | | | | | | | | | | | : |
National Soil Archive Samples | Sample name | NSA Sample Id | Container type | Fraction type |
|---|
| 479a | M22/3214 | large sq | coarse |
| 479a | M22/3215 | White lid small | fine |
| 479b | M22/3216 | large sq | coarse |
| 479b | M22/3217 | medium | fine |
| 479c | M22/3218 | large sq | coarse |
| 479c | M22/3219 | medium | fine |
| 479d | M22/3220 | large sq | coarse |
| 479d | M22/3221 | White lid small | fine |
| 479e | M22/3222 | medium | coarse |
| 479e | M22/3223 | White lid small | fine |
| 479f | M22/3224 | medium | coarse |
| 479f | M22/3225 | medium | fine |
| 479g | M22/3226 | medium | coarse |
| 479g | M22/3227 | White lid small | fine |
| 479h | M22/3228 | medium | coarse |
| 479h | M22/3229 | medium | fine |
| 479i | M22/3230 | medium | coarse |
| 479i | M22/3231 | medium | fine |
| 479j | M22/3232 | medium | coarse |
| 479j | M22/3233 | White lid small | fine |
Photos
- Photo record:
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