McMurdo

Results: 741



#Item
151Poles / Geochronology / Ice core / Incremental dating / Vostok Station / McMurdo Station / Ice / McMurdo Sound / Antarctica / Physical geography / Glaciology / Extreme points of Earth

Radar profiling of the ice tongue was supplemented by core drilling in the immediate vicinity of the glacial ice/sea ice contact. Onsite investigations of these cores, together with preliminary studies of crystal structu

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Language: English - Date: 2011-05-06 03:40:26
152Historical geology / Amoeboids / Rhizaria / Paleogene / Geologic time scale / Eocene / Oligocene / Foraminifera / Miocene / Archaeological sub-disciplines / Biology / Geology

Valley, the sedimentology of Unit B in Ross Sea cores, benthic foraminifera from dirt bands on the McMurdo Ice Shelf, and diatoms in Ross Sea cores. Five new publications appeared during this period: Kellogg, Osterman, a

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Language: English - Date: 2011-05-06 03:28:55
153Water / Diatoms / Antarctic krill / Krill / Antarctica / McMurdo Sound / Chaetoceros / McMurdo Station / Physical geography / Biological oceanography / Planktology

total meio- and macrofaunal composition and biomass; and analyses of changes in abundance, biomass, and chemical composition of selected rhizopod species in soft substrates adjacent to McMurdo Station. Although most of t

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Language: English - Date: 2011-05-06 05:35:23
154Ice sheet / Filchner-Ronne Ice Shelf / Glacier / Ice shelf / Antarctica / Pensacola Mountains / Ice field / West Antarctic Ice Sheet / Orville Coast / Physical geography / Glaciology / Water ice

shale, coal, and petrified wood of Beacon Formation; many dike rocks in Beacon Formation; and Ferrar dolerite and McMurdo volcanic rocks. 4. Search for Antarctic meteorites. A joint U.S.—Japan search for meteorites was

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Language: English - Date: 2011-05-06 03:38:06
155Biological oceanography / Planktology / Optical materials / Glaciology / Phytoplankton / McMurdo Sound / Algae / Sea ice / Primary production / Water / Aquatic ecology / Biology

where maximum tintinnid abundances were recorded in ice-covered areas (Weddell Sea, Bransfield Strait, Bellingshausen Sea), or at approximately 60 meters below the surface (Weddell-Scotia confluence: Alder unpublished da

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Language: English - Date: 2011-05-06 21:10:20
156Antarctica / Continents / Poles / Thorium / Physical geography / Matter / Antarctic region

Borchgrevink Glaciers is underlain largely by lavas and hyaloclastites of the McMurdo volcanics, rather than by granite and Robertson Bay Group, as previously mapped. Compilations of mapping from this season, along with

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Language: English - Date: 2011-05-06 05:43:42
157Ross Dependency / Sandstone / Wright Valley / Lake Vanda / Vanda Station / Onyx River / Feldspar / Transantarctic Mountains / Antarctica / McMurdo Dry Valleys / Physical geography / Geography of Antarctica

phorus also increased along the Onyx as far as Bull Pass, but between the pass and the Vanda Weir, it decreased bya factor of three. We suspect that an active algal community just above Bull Lake may be acting as a phosp

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Language: English - Date: 2011-05-06 06:14:18
158Soil / Wright Valley / Ice age / Antarctica / Onyx River / Weathering / Glacier / McMurdo Sound / Lake Vanda / Geography of Antarctica / Physical geography / McMurdo Dry Valleys

(2) the Coral Ridge sand body was deposited during a time of normal polarity of the Gauss epoch. Additional subsurface and surface geologic and paleomagnetic study, including study of sedimentary structures, is needed to

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Language: English - Date: 2011-05-06 06:14:01
159McMurdo Dry Valleys / Biological oceanography / Planktology / Fossils / Diatom / Sedimentology / Transantarctic Mountains / Micropaleontology / Antarctica / Geography of Antarctica / Physical geography / Water

known. The framework modes and their sources suggest deposition in a foreland basin but do not preclude accumulation in a pull-apart basin. Resolution of basin type is hindered because sequences are fragmentary, folded,

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Language: English - Date: 2011-05-06 15:39:04
160Weddell seal / McMurdo Sound / Pinniped / McMurdo Station / Antarctica / Weddell / Siniff Bay / Erebus Ice Tongue / Physical geography / True seals / Megafauna

is supported by a Howard Hughes Medical Institute predoctora! fellowship. We thank Captain Karl Sanden and the officers and crew of the Polar Duke for their assistance and hospitality while we were aboard, and C. Mather

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Language: English - Date: 2011-05-06 20:34:33
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