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Site Information Site number:
251 Authors:
IBC,GGC/BCW,HRK Date recorded:
1969/12/12 Reason Sampled:
Soil weathering examination Description:
High on the Watson Escarpment at a dolerite ridge-capping outcrop Altitude:
2750 m Aspect:
Slope:
0 ° Location Data Observer IBC GGC GPS No Latitude Longitude DMS 86° 13.5' S 146° 35' W 86° 13.5' S 146° 35' W Latitude Longitude DD -86.225 -146.58 -86.225 -146.58 Latitude longitude precision DD 0.004 0.04 0.004 0.04 Locality Scott Glacier region, southern Trans-antarctic Mountains on the Watson Escarpment Survey US Geological Survey 1:250 000 1968, Mount Blackburn
Climate Soil climate zone:
Central Mountain
Estimated mean annual temperature:
-40
°C Frozen ground depth:
0 cm Frozen type:
Frozen comment:
Geology Geological setting:
Dolerite intrusive rocks cap the Beacon Sandstone and form a stable ridge surface Patterned ground:
Surface weathering or surface features:
Dolerite is strongly stained and pitted Soil Soil parent material:
Weathered downslope dolerite debris Previous disturbance:
Nil Soil weathering stage:
4 (Campbell & Claridge 1975) Soil moisture status:
Biological activity:
Profile Description Horizon Depth Description 251a 0 – 25 cm brownish yellow (10YR 6/6) sandy pebble and granule gravel; moderately cohesive; distinct salt flecks and some precipitations on rock fragments; rock particles mainly subangular and moderately to strongly altered
Sample Data Physical Data Sample name Depth description Top (cm) Base (cm) Bulk Density Dry Bulk Density Gravimetric Moisture Vol. Moisture (BD=2) 251 0-25cm 0 25 No
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 Fe2 O3 CaCO3 Notes 251
Clay Mineralogy Sample name Mica IHM HIV - IHM ICHL VT HIV CHL SM CHL SM FE - CHL HT QTZ FLD HB CAL Notes 251 :
National Soil Archive Samples Sample name NSA Sample Id Container type Fraction type 251 M22/1365 medium coarse 251 M22/1366 White lid small fine 251 M22/7060 Glass vial metal lid
Photos Photo record:
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Antarctic Soils Explorer Copyright Manaaki Whenua – Landcare Research © 1996 - 2023
Version: 1.0.146
Copyright Manaaki Whenua – Landcare Research © 1996 - 2023