Ross Sea Region Soil Sites
424000
424
13-Nov-1978
IBC, GGC
Darwin Glacier/Hatherton Glacier, Transantarctic Mountains
Soil weathering examination
United States Geological Survey 1966; 1:250,000 Carlyon Glacier Antarctica
CS Pro
No
159.1000
-79.8933
79deg 53.6'S
-159deg -6.0'E
On the south side of Diamond Hill, approximately 4.5km to the SW; on the side of a broad sloping bench and shallow ridge on a very bouldery young moraine surface
22
S
450
Local rocks are granites and gneiss but till covers the lower slopes and includes some dolerite and sandstone
Patchy snow cover from recent fall with thawing at edges and localized soil moistening
-24
Central Mountain
Bouldery till with mixed lithology
Nil observed
Weakly developed broad nets; possible solifluction lobes on steeper slopes
SURFACE WEATHERING or |
SURFACE FEATURES |
Some larger rocks spalling and moving apart by ice wedging; many rocks are moderately stained and partly rounded; granular disintegration and pitting, |
cavernous weathering and ventiforms are negligible; non pavementic |
Nil
424a 3-0cm
101
surface bouldery sandy granular gravel
102
rock particles subrounded to angular
103
predominantly unstained,
424b 0-4cm
201
light olive brown (2.5Y 5/4) stony sandy gravel
202
weakly cohesive
203
weakly developed vesicular structure
204
a few pale siltyish coatings
205
rock particles angular and unstained
206
some gneissic rocks partly crumbled
207
indistinct boundary,
424c 4-20cm
301
light olive brown (2.5Y 5/4) bouldery sandy gravel
302
loose
303
rock particles angular and unstained but some with relict oxide coatings
304
some carbonate coatings
305
distinct boundary,
424d 20-35cm
401
olive (5Y 5/3) bouldery sandy gravel
402
moderately cohesive, frosted
403
rock particles angular and unstained
404
sharp boundary,
424e 35-40cm
501
olive (5Y 4/3 moist) ice cemented sandy gravel
502
sharp boundary,
Yes
Hard ice-cemented
35
3
(35cm)
Soluble Salt |
Concentration |
42400002
64.00
42400003
69.00
42400004
52.00
42400005
43.00
42400001
14.00
42400002
42400003
42400004
42400005
42400001
42400002
42400003
42400004
42400005
42400001
12-Dec-2005
Page 381 of 896
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