Ross Sea Region Soil Sites
528000
528
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
161.1330
-76.8833
76deg 53.0'S
-161deg -8.0'E
Approximately 4km east of Battleship Promontory; at the edge of a small pond the samples were collected at 25m intervals from near the edge of the pond
0
Nil
925
cf. Notes for GEOLAND below
(0o)
| Moist adjacent to the pond, dry further away; adjacent extensive snow patches are probably |
| the source of the pond waters |
-25
Coastal Mountain, xerous to subxerous
Bouldery till with minor sorting from water level fluctuations
Cyanobacterial mats extensive at the pond edge becoming less abundant with increasing distance
Nil
| SURFACE WEATHERING or |
| SURFACE FEATURES |
A largely bouldery surface with many boulders upstanding, slightly rounded and partly stained
Nil
528a 0-5cm
101
adjacent to the edge of the pond
102
moist sandy gravel with dried cyanobacterial material,
528b 0-5cm
201
25m from the pond edge
202
moist sandy gravel with dried cyanobacterial material,
528c 0-5cm
301
50m from the pond
302
sandy gravel
303
some cyanobacterial material
528d 0-5cm
401
75m from the pond
402
sandy gravel
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 |
52800001
52800002
52800003
52800004
52800001
52800002
52800003
52800004
52800001
52800002
52800003
52800004
12-Dec-2005
Page 486 of 896
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