Ross Sea Region Soil Sites
423000
423
13-Nov-1978
IBC, GGC
Darwin/Hatherton Glacier, Darwin Mountains Transantarctic Mountains
Soil weathering examination
United States Geological Survey 1966; 1:250,000 Carlyon Glacier Antarctica
CP Pro
No
156.8480
-79.9100
79deg 54.6'S
-156deg -50.9'E
On a low elevation hummocky young moraine surface; adjacent to a large area of thermokarst moraine alongside an ice lobe in a small side valley of the Hatherton Glacier
0
Nil
950
cf. Notes for GEOLAND below
Patchy snow cover with some slight thawing; the material precipitated beneath the rock |
indicates that the site may have been previously wet |
-25
Central Mountain
Grey flakes of silty to clayey material possibly formed by freeze drying
Nil observed
Nil
SURFACE WEATHERING or |
SURFACE FEATURES |
Surface rocks are unweathered; the material on the underside of the rock resembles flattish flakey pellets
Nil
423a 0-2cm
101
light brownish grey (2.5Y 6/2) clayey silt forming abundant thin conchoidal flaky aggregates up to around |
7.5mm diameter and peeling to very thin flakes |
102
small salt encrustations on some edges
Yes
0
1
Geoland
Local rocks are Ferrar Dolerite and Beacon Sandstone; the till includes some granite which is widespread lower down the Darwin Glacier; flakey fine textured |
tabular pellet-like material occurs beneath some boulders and appears to be part of a precipitation process |
Soluble Salt |
Concentration |
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12-Dec-2005
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