Ross Sea Region Soil Sites
527000
527
6-Jan-1988
IBC, GGC
Convoy Range, Transantarctic Mountains; Alatna Valley
Biological examination
Ross Island & Vicinity, Antarctica, 1:250 000 US Geological Survey, 1986
CS Lscp
No
161.1170
-76.9000
76deg 54.0'S
-161deg -7.0'E
Approximately 4km east of Battleship Promontory; near some small ponds; the sample is from crumbled rock material with lichen growing in the rock cracks
0
Nil
925
cf. Notes for GEOLAND below
(0o)
Moisture only available from periodic snow falls
-25
Coastal Mountain, xerous to subxerous
Partly crumbled coarse-grained dolerite; the rock cracks have small accumulations of fine sand which may aid lichen occurrences
Lichen on rocks mainly in cracks; hyphae extend into the rock cracks
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
| Coarse grained dolerite is strongly crumbled and fragmented; fine grained dolerite has strongly oxidised surfaces with some exfoliation; some thin clay-like |
| films are present in some of the rock cracks |
Nil
527 Rock sample
101
soil not described
Yes
0
Geoland
| Alatna Valley has formed through ice recession from the Benson Glacier and ice from Staten Island Heights; the local rocks are extensive Beacon Sandstone |
| outcrops capped with Ferrar Dolerite; till is extensive on the valley floor and includes granite from near the coast |
| Soluble Salt |
| Concentration |
52700001
52700001
52700001
12-Dec-2005
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