Site Information

Site number:
480
Authors:
J Pickard
Date recorded:
1981/11/20
Reason Sampled:
Soil weathering examination
Description:
Lichen Valley; an elongate moraine ridge draped over a hill; on the crest of a ridge
Altitude:
80 m
Aspect:
N
Slope:
5 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 68° 28' S 78° 23' E 68° 28' S 78° 23' E
Latitude Longitude DD -68.467 78.383 -68.467 78.383
Latitude longitude precision DD 0.008 0.008 0.008 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:
A small patch of moraine over widely exposed partly jointed bedrock
Patterned ground:
Surface weathering or surface features:
Surface boulders are dominantly angular to subangular with little disintegration

Soil

Soil parent material:
Very bouldery till of mixed lithology
Previous disturbance:
Soil weathering stage:
6
Soil moisture status:
Oceanic subxerous; no adjacent snow
Biological activity:
Profile Description
HorizonDepthDescription
480a -2 – 0 cm surface boulders and sandy gravel; greyish; some salt stains,
480b-k 0 – 100 cm light grey (5Y 7/2) heterogeneous bouldery sandy gravel; a few feathers at 20cm; some white salt stains; nearer the surface, some oxidised patches from disintegrating rocks, on very bouldery gravel

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
480a 2-0 -2 0 No
480b 0-10cm 0.0 10.0 No
480c 10-20cm 10.0 20.0 No
480d 20-30cm 20.0 30.0 No
480e 30-40cm 30.0 40.0 No
480f 40-50cm 40.0 50.0 No
480g 50-60cm 50.0 60.0 No
480h 60-70cm 60.0 70.0 No
480i 70-80cm 70.0 80.0 No
480j 80-90cm 80.0 90.0 No
480k 90-100cm 90.0 100.0 No
Sample solution chemistry
Sample namepHNa meq/100gCa meq/100gMg meq/100gK meq/100gCl meq/100gSO4 meq/100gNO3 meq/100gEC mmho/cmSoluble SaltNotes
480a                      
480b 7.9 0.6 2.3 3.2 0.3 1.2 0.59 0.11 1.6 .  
480c 8.1 0.37 1.3 1.1 0.13 0.64 1.2 0.05 0.94 .  
480d 7.5 0.54 2.4 2.3 0.2 1.0 1.4 0.1 1.57 .  
480e                      
480f 7.3 0.52 7.9 1.3 0.18 0.33 6.9 0.07 2.17 .  
480g                      
480h 7.4 0.52 4.1 1.3 0.15 0.79 3.4 0.09 1.71 .  
480i                      
480j 7.2 0.48 1.8 1.5 0.13 0.82 0.75 0.09 1.2 .  
480k                      
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
480a
480b 24.0 20.0 22.0 14.0 11.0 7.0 2.0 0.3 .
480c 35.0 21.0 21.0 11.0 7.0 4.0 2.0 0.3 .
480d 32.0 22.0 21.0 11.0 8.0 5.0 1.0 0.3 .
480e
480f 36.0 21.0 20.0 11.0 8.0 4.0 1.0 0.3 .
480g
480h 39.0 18.0 17.0 11.0 8.0 5.0 1.0 0.3 .
480i
480j 32.0 17.0 18.0 12.0 11.0 8.0 1.0 0.2 .
480k
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
480a :
480b 65.0 . . 5.0 5.0 10.0 5.0 . . . . 2.0 3.0 5.0 :
480c 60.0 . . 5.0 5.0 5.0 . . . . . . . . :
480d 70.0 . . 5.0 5.0 5.0 5.0 . . . . 4.0 5.0 6.0 :
480e :
480f 40.0 . . 11.0 30.0 . . . . . . 3.0 6.0 10.0 :
480g :
480h 40.0 . . 15.0 30.0 . 5.0 . . . . . 5.0 5.0 :
480i 70.0 . . 10.0 . . 5.0 . . . . 2.0 6.0 7.0 :
480j :
480k :
National Soil Archive Samples
Sample nameNSA Sample IdContainer typeFraction type
480a M22/3234 medium coarse
480a M22/3235 White lid small fine
480b M22/3236 large sq coarse
480b M22/3237 medium fine
480c M22/3238 medium coarse
480c M22/3239 White lid small fine
480d M22/3240 large sq coarse
480d M22/3241 White lid small fine
480e M22/3242 large sq coarse
480e M22/3243 White lid small fine
480f M22/3244 medium coarse
480f M22/3245 White lid small fine
480g M22/3246 medium coarse
480g M22/3247 White lid small fine
480h M22/3248 medium coarse
480h M22/3249 White lid small fine
480i M22/3250 White lid small coarse
480i M22/3251 medium fine
480j M22/3252 medium coarse
480j M22/3253 White lid small fine
480k M22/3254 White lid small coarse

Photos

Photo record:
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