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Feeding, metabolism and growth in the Antarctic limpet, Nacella concinna (Strebel 1908)
1 January, 2001 by Lloyd Peck
Post-prandial increases in metabolism, the specific dynamic action of feeding (SDA), were evaluated in the Antarctic limpet Nacella concinna. O2 consumption rose to a peak value 2.3 times higher than pre-feeding…Read more on Feeding, metabolism and growth in the Antarctic limpet, Nacella concinna (Strebel 1908)
Evidence for an extended reconnection line at the dayside magnetopause
1 January, 2001 by Mervyn Freeman
We report in-situ detection by two spacecraft of oppositely directed jets of plasma emanating from a magnetic reconnection site at the Earth’s dayside magnetopause, confirming a key element inherent in…Read more on Evidence for an extended reconnection line at the dayside magnetopause
Publications and theses on Antarctic and sub-Antarctic birds, 1998
1 January, 2001
A total of 151 scientific publications and theses on Antarctic and sub-Antarctic birds for 1998 is listed by author. This annual list is produced on behalf of the Bird Biology…Read more on Publications and theses on Antarctic and sub-Antarctic birds, 1998
Publications and theses on Antarctic and sub-Antarctic birds, 1999
1 January, 2001
A total of 138 scientific publications and theses on Antarctic and sub-Antarctic birds for 1999 is listed by author. This annual list is produced on behalf of the Bird Biology…Read more on Publications and theses on Antarctic and sub-Antarctic birds, 1999
Courtship behaviour of the wandering albatross Diomedea exulans at Bird Island, South Georgia
1 January, 2001
The behaviour postures and their sequences during courtship displays of the Wandering Albatross Diomedea exulans at South Georgia are described. Females initiated most display bouts, which began with a series…The stomach contents of Patagonian toothfish around South Georgia (South Atlantic)
1 January, 2001
The proportion of Patagonian toothfish Dissostichus eleginoides, caught around South Georgia in the south-west Atlantic, with empty stomachs was much lower in fish caught in pots compared to longlines (28…Read more on The stomach contents of Patagonian toothfish around South Georgia (South Atlantic)
On determining the noon polar cap boundary from SuperDARN HF radar backscatter characteristics
1 January, 2001 by Michael Pinnock
Previous work has shown that ionospheric HF radar backscatter in the noon sector can be used to locate the footprint of the magnetospheric cusp particle precipitation. This has enabled the…Ultrasensitive determination of heavy metals at the sub-picogram per gram level in ultraclean Antarctic snow samples by inductively coupled plasma sector field mass spectrometry
1 January, 2001 by Eric Wolff
Assessing changes in heavymetals concentrations in Antarcticsnow dated from the last century is of high interest to determine to which extent the most remote regions of our planet are contaminated…Fossil woods from Williams Point Beds, Livingston Island, Antarctica: a Late Cretaceous southern high latitude flora
1 January, 2001
The wood flora from Williams Point, Livingston Island, contains 12 wood types of gymnosperm and angiosperm origin. Recent collections of material have increased the biodiversity of a postulated species-rich vegetation.…A fossil wood flora from King George Island: ecological implications for an Antarctic Eocene vegetation
1 January, 2001
Early Tertiary sediments of the Antarctic Peninsula region continue to yield a rich assemblage of well-preserved fossil dicotyledonous angiosperm wood. The wood flora under consideration is from the Collins Glacier…Effect of sperm concentration and sperm ageing on fertilisation success in the Antarctic soft-shelled clam Laternula elliptica and the Antarctic limpet Nacella concinna
1 January, 2001 by Lloyd Peck
Sperm concentration and sperm ageing effects on fertilisation success were evaluated in the laboratory in the free-spawning Antarctic soft-shelled clam Laternula elliptica and Antarctic limpet Nacella concinna. Fertilisation success was…First survey of Antarctic sub-ice shelf sediments reveals mid-Holocene ice shelf retreat
1 January, 2001
The retreat of five small Antarctic Peninsula ice shelves in the late 20th century has been related to regional (possibly anthropogenic) climate warming. We use the record of ice- rafted…Bathymetry and acoustic facies beneath the former Larsen-a and Prince Gustav ice shelves, NW Weddell Sea
1 January, 2001
We present preliminary results of the first detailed surveys of the former Larsen-A Ice Shelf, Larsen Inlet aiid southern Prince Gustav Channel. where disintegration of small ice shelvcs in the…Littoral Acari of Marion Island: ecology and extreme wave action
1 January, 2001
Fourteen species of littoral Acari (Arachnida) were collected from the shores of sub-Antarctic Marion Island, of which Parasitiphis brunneus (Kramer) (Ologamasidae), Rhombognathus apsteini Lohmann and R. gressitti Newell (Halacaridae) are…Read more on Littoral Acari of Marion Island: ecology and extreme wave action
Population trends, breeding success and diet composition of gentoo Pygoscelis papua, magellanic Spheniscus magellanicus and rockhopper Eudyptes chrysocome penguins in the Falkland Islands
1 January, 2001
Data on population size, breeding success and diet composition of gentoo (Pygoscelis papua), magellanic (Spheniscus magellanicus) and rockhopper (Eudyptes chrysocome) penguins, collected as part of the Falkland Island Seabird Monitoring…Las Orogénesis del Paleozoico Inferior en el margen protoandino de América del Sur, Sierras Pampeanas, Argentina
1 January, 2001
El margen proto-andino de Gondwana ha sido el escenario de al menos dos orogénesis desde el desmembramiento del supercontinente Rodinia al final del Neoprotrozoico, hasta el reagrupamiento de las masas…Ice in the earth system: the view from above
1 January, 2001
The cryosphere is a key component of the Earth system, with important linkages and feedbacks affecting the radiative balance of the planet, the circulation of the oceans and atmosphere, global…Regulation by low temperature of phytoplankton growth and nutrient uptake in the Southern Ocean
1 January, 2001
During oceanographic cruises in 1996 and 1998, phytoplankton from 15 stations in the southwest Atlantic sector of the Southern Ocean were incubated at ambient temperature and 2 elevated temperatures (ambient…Growth of Antarctic krill Euphausia superba at South Georgia
1 January, 2001
Antarctic krill Euphausia superba has a central role in the ecosystem of the Southern Ocean and knowledge of its growth rate is central to determining the factors influencing population dynamics.…Read more on Growth of Antarctic krill Euphausia superba at South Georgia
The use of predator-derived length-frequency distributions to calculate krill target strength
1 January, 2001
The relationship between krill abundance and predator performance is fundamental to an ecosystem-based approach to resource management. We propose a method using krill sampled from the diet of predators to…Environmental response of upper trophic-level predators reveals a system change in an Antarctic marine ecosystem
1 January, 2001
Long-term changes in the physical environment in the Antarctic Peninsula region have significant potential for affecting populations of Antarctic krill (Euphausia superba), a keystone food web species. In order to…Age of pre-break-up Gondwana magmatism
1 January, 2001 by Teal Riley
Extensive outpourings of basalt, and to a lesser extent rhyolite, are closely associated with continental break-up and plume-lithosphere interactions. The Gondwana supercontinent began to fiagment during Early-Middle Jurassic times and…Origins of large volume rhyolitic volcanism in the Antarctic Peninsula and Patagonia by crustal melting
1 January, 2001 by Philip Leat, Teal Riley
Voluminous rhyolitic volcanism along the palaeo-Pacific margin of Gondwana was marked by three principal episodes of magmatism. The first of these ( V1) is essentially coincident with the main episode of…The effects of temperature on metabolic rate and protein synthesis following a meal in the isopod Glyptonotus antarcticus, Eights (1852)
1 January, 2001 by Andrew Clarke, Lloyd Peck
Seawater temperatures in Antarctica are low, and typically rather stable seasonally. Associated with this, many marine invertebrates have low resting metabolic rates with a limited aerobic scope, and are often…Effects of temperature on specific dynamic action and protein synthesis rates in the Baltic isopod crustacean, Saduria entomon
1 January, 2001 by Andrew Clarke
The mean rate of oxygen consumption in fasted Saduriaentomon increased between 4°C and 13°C with a Q10 of 2.33. After feeding, rates of oxygen uptake increased significantly by two- to…Lower ionospheric modification by lightning-EMP: simulation of the night ionosphere over the United States
1 January, 2001 by Mark Clilverd
It has recently been suggested that successive intense lightning‐electromagnetic pulse (EMP) events could cause significant large‐scale changes to the properties of the nighttime lower ionosphere. In order to examine this…Managing and forecasting squid fisheries in variable environments
1 January, 2001 by Paul Rodhouse
Squid are short-lived ecological opportunists which generally have a lifespan of about 1 year. Their populations are labile and recruitment variability is driven, to a greater or lesser extent, by…Read more on Managing and forecasting squid fisheries in variable environments
Improvements to the accuracy of measurements of NO2 by zenith-sky visible spectrometers. II: Errors in zero using a more complete chemical model
1 January, 2001 by Howard Roscoe
Using a flexible chemical box model with full heterogeneous chemistry, intercepts of chemically modified Langley plots have been computed for the 5 years of zenith-sky NO2 data from Faraday in…Improvements to the accuracy of zenith-sky measurements of total ozone by visible spectrometers II: use of daily air-mass factors
1 January, 2001 by Anna Jones, Howard Roscoe
Ozone at Faraday in Antarctica is measured by a ground-based visible spectrometer. Total ozone is deduced from the slant column measurements by means of calculated air-mass factors (AMFs), which have…Ozone loss episodes in the free Antarctic troposphere, suggesting a possible climate feedback
1 January, 2001 by Howard Roscoe
Sudden loss of tropospheric ozone well above the boundary layer was observed on three occasions at two coastal sites in Antarctica in spring 1995. Back trajectories show that the air…Increased stratospheric greenhouse gases could delay recovery of the ozone hole and of ozone loss at southern mid-latitudes
1 January, 2001 by Howard Roscoe
Stratospheric H2O is increasing, and may be responsible for a large part of the observed cooling of the lower stratosphere. Further cooling will lead to more PSCs in the edge…The risk of large volcanic eruptions and the impact of this risk on future ozone depletion
1 January, 2001 by Howard Roscoe
Ozone depletion at mid-latitudes is caused by reactivehalogens from man-made halocarbons. The stratosphericsulphate aerosol which follows large volcaniceruptions enhances (multiplies) this ozone depletion(it has no effect on ozone without halocarbons).…Latest Neoproterozoic to Mid-Cambrian age for the main deformation phases of the Transantarctic Mountains: new stratigraphic and isotopic constraints from the Pensacola Mountains, Antarctica
1 January, 2001
New isotopic ages and a fresh understanding of stratigraphic relations among siliciclastic strata in the Pensacola Mountains along the northern margin of the East Antarctic craton result in removal of…(Poly)phenolic compounds in pollen and spores of antarctic plants as indicators of solar UV-B: a new proxy for the reconstruction of past solar UV-B?
1 January, 2001 by Helen Peat, Peter Convey
The morphology, size and characteristics of the pollen of the plant species Antarctic hairgrass (Deschampsia antarctica, Poaceae) and Antarctic pearlwort (Colobanthus quitensis, Caryophyllaceae) are described by scanning electron microscopy and…Geomorphological sketch map of the Fossil Bluff area (Alexander Island, Antarctica) mapped from aerial photographs
1 January, 2001
A geomorphological sketch map of the Fossil Bluff area, showing the main morphological characteristics was prepared from aerial photographs taken by the British Antarctic Survey in 1995. Landforms and deposits…A tentative chronology for the EPICA Dome Concordia Ice Core
1 January, 2001 by Eric Wolff
A tentative age scale (EDC1) for the last 45 kyr is established for the new 788‐m EPICA Dome C ice core using a simple ice flow model. The age of…Read more on A tentative chronology for the EPICA Dome Concordia Ice Core
Inland Thinning of Pine Island Glacier, West Antarctica
1 January, 2001 by Hugh Corr
The Pine Island Glacier (PIG) transports 69 cubic kilometers of ice each year from ∼10% of the West Antarctic Ice Sheet (WAIS). It is possible that a retreat of the…Read more on Inland Thinning of Pine Island Glacier, West Antarctica
Physical, chemical and biological processes in Lake Vostok and other Antarctic subglacial lakes
1 January, 2001
Over 70 lakes have now been identi®ed beneath the Antarctic ice sheet. Although water from none of the lakes has been sampled directly, analysis of lake ice frozen (accreted) to…Lithofacies Architecture and Construction of Volcanoes Erupted in Englacial Lakes: Icefall Nunatak, Mount Murphy, Eastern Marie Byrd Land, Antarctica
1 January, 2001
Mount Murphy is a large Miocene shield volcano flanked by several small basaltic satellite centres that were erupted beneath a thick (> 200 m) ice sheet. Three empirical models illustrating…History of Oligocene erosion, uplift and unroofing of the Transantarctic Mountains deduced from sandstone detrital modes in CRP-3 drillcore, Victoria Land basin, Antarctica
1 January, 2001
Detrital modes determined on 68 sandstone samples from CRP-3 drillcore indicate a continuation of the dynamic history of uplift-related erosion and unroofing previously documented in CRP-1 and CRP-2/2A. The source…Lithostratigraphy and volcanic evolution of Deception Island, South Shetland Islands
1 January, 2001
Deception Island is the most active volcano in the Antarctic Peninsula region. It is a large basalt–andesite shield volcano with a 10 km-wide restless caldera (Port Foster) and a complicated…Read more on Lithostratigraphy and volcanic evolution of Deception Island, South Shetland Islands
Geochemical characteristics and geotectonic setting of early Ordovician basalt lavas in the Ballantrae Complex ophiolite, SW Scotland
1 January, 2001
The consensus of several geochemical studies is a polygenetic origin for the basic volcanic sequence within the Ballantrae Complex ophiolite. This overall agreement masks differences of opinion regarding local geochemical…A quantitative estimate of the ducted whistler power within the outer plasmasphere
1 January, 2001 by Mark Clilverd
From a statistical study of ductedwhistlers observed at Halley, Antarctica, in 1996, which had propagated on paths in the range L=2.5–4.5, we report mean occurrence rates, numbers of components per…Read more on A quantitative estimate of the ducted whistler power within the outer plasmasphere
Whistler observations of the plasmasphere/plasmapause from stations of the British Antarctic Survey
1 January, 2001
VLF whistler observations from Eights Station, Antarctica were crucial to the discovery and exploration of the plasmapause (''Carpenter's knee'') by Don Carpenter in the mid-1960s. The Weddell Sea sector of…Observations on the distribution and relative abundance of the scyphomedusan Chrysaora hysoscella (Linne, 1766) and the hydrozoan Aequorea aequorea (Forskal, 1775) in the northern Benguela ecosystem
1 January, 2001
Observations on the abundance of medusae at the surface were conducted in the northern Benguela ecosystem, over the period August 1997–June 1998. The results suggest that Chrysaora hysoscella is found…The regurgitation of stomach contents in trawl caught whiting, evidence of a predator size effect
1 January, 2001 by Iain Staniland
The rate of regurgitation of food from the stomachs of trawl caught whiting Merlangius merlangus was negatively correlated with fish size. Increased musculature of the oesophageal sphincter in larger fish…Methyl bromide, other brominated methanes, and methyl iodide in polar firn air
1 January, 2001 by Robert Mulvaney
We report measurements of brominated, bromochlorinated, and iodinated methanes in air extracted from deep firn at three polar locations (two Antarctic and one Arctic). Using a firn diffusion model, we…Read more on Methyl bromide, other brominated methanes, and methyl iodide in polar firn air
Palaeontological studies for CRP-3: introduction
1 January, 2001
The drillhole at CRP-3 was the deepest of the project and offered early hopes of retrieving a long plalaeontological record. However, the reality was that the fossil content dropped off…Read more on Palaeontological studies for CRP-3: introduction
Solar flare induced ionospheric D-region enhancements from VLF amplitude observations
1 January, 2001 by Mark Clilverd
Enhancements of D-region electron densities caused by solar flares are determined from observations of VLF subionospheric amplitude changes and these enhancements are then related to the magnitudes of the X-ray…Read more on Solar flare induced ionospheric D-region enhancements from VLF amplitude observations
Flow transients in the postnoon ionosphere: The role of solar wind dynamic pressure
1 January, 2001 by Michael Pinnock
Super Dual Auroral Radar Network (SuperDARN) HF radar, magnetometer, and satellite data are used to study ionospheric convection flow bursts in the sunward return flow in the 1200–1500 MLT auroral…Read more on Flow transients in the postnoon ionosphere: The role of solar wind dynamic pressure
Modelling the impact of fishery by-catches on albatross populations
1 January, 2001
Summary 1 Several albatross species, including the wandering albatross Diomedea exulans, have shown marked declines in abundance throughout their range. These seabirds are frequently taken as by-catch in longline fisheries…Read more on Modelling the impact of fishery by-catches on albatross populations
An operational, real-time cloud detection scheme for use in the Antarctic based on AVHRR data
1 January, 2001 by Gareth Marshall, John Turner
A description is given of an automatic cloud detection scheme that has been developed for year-round, routine use on full (1.1 km) horizontal-resolution, five-channel Advanced Very High Resolution Radiometer (AVHRR)…The simulation of Antarctic sea ice in the Hadley Centre Climate Model (HadCM3)
1 January, 2001 by John Turner
An assessment is presented of the extent and variability of Antarctic sea ice in the non-flux-corrected version of the Hadley Centre's coupled atmosphere-ocean general circulation model (HadCM3). The results are…Read more on The simulation of Antarctic sea ice in the Hadley Centre Climate Model (HadCM3)
An extreme wind event at Casey Station, Antarctica
1 January, 2001 by Gareth Marshall, John Turner, Thomas Lachlan-Cope
Model output, satellite data, and in situ observations are used to investigate the conditions that gave rise to an extreme wind event at the Australian Casey Station (66.27°S, 110.53°E) on…Read more on An extreme wind event at Casey Station, Antarctica
Climate change: Devil in the detail
1 January, 2001 by David Vaughan, Gareth Marshall, John King, Robert Mulvaney
Global surface temperatures have increased by 0.6 � 0.2°C in the last century, but this warming has not been evenly distributed across the globe. Some regions, such as the Antarctic…A review of Pine Island Glacier, West Antarctica: hypotheses of instability vs. observations of change
1 January, 2001 by Adrian Jenkins, Andy Smith, David Vaughan, Hugh Corr
The Pine Island Glacier ice-drainage basin has been cited as the part of the West Antarctic ice sheet most prone to substantial retreat on human time-scales. Here we review the…Statistical physics of random searches
1 January, 2001 by Vsevolod Afanasyev
We apply the theory of random walks to quantitatively describe the general problem of how to search efficiently for randomly located objects that can only be detected in the limited…Lévy flights search patterns of biological organisms
1 January, 2001 by Vsevolod Afanasyev
We discuss recent findings suggesting that an inverse square probability density distribution P(ℓ)∼ℓ−2 of step lengths ℓ leads to an optimal random search strategy for organisms that can search efficiently…Read more on Lévy flights search patterns of biological organisms
Surface oceanography of the inferred hatching grounds of Illex argentinus (Cephalopoda: Ommastrephidae) and influences on recruitment variability
1 January, 2001 by Claire Waluda, Paul Rodhouse, Philip Trathan
In this study, we consider the influence of mesoscale oceanographic processes around the Falkland Islands (Islas Malvinas) in the South-west Atlantic, during the period in which the commercial squid fishery…Remotely sensed mesoscale oceanography and the distribution of Illex argentinus in the South Atlantic
1 January, 2001 by Claire Waluda, Paul Rodhouse, Philip Trathan
In this study, we consider the influence of mesoscale oceanographic processes around the Falkland Islands (Islas Malvinas) in the South-west Atlantic, during the period in which the commercial squid fishery…The deep-sea copepod fauna of the Southern Ocean: patterns and processes
1 January, 2001 by Peter Ward
In recent years, much attention has been paid to the Antarctic epipelagic fauna, as a result of the desire to increase our knowledge of ecosystem function and resource management. Unfortunately,…Read more on The deep-sea copepod fauna of the Southern Ocean: patterns and processes
Petrogenesis of the Cambrian Liv Group, a bimodal volcanic rock suite from the Ross orogen, Transantarctic Mountains
1 January, 2001 by Teal Riley
Cambrian volcanic rocks of the Liv Group, defined here as including the Wyatt, Ackerman, Taylor, Fairweather, and Leverett Formations, occur along the paleo-Pacific margin of Gondwana, in the Queen Maud…Comparison of VLF sferics intensities at Halley, Antarctica, with tropical lightning and temperature
1 January, 2001 by Mark Clilverd
We compare measurements for 1998 of VLF sferics-generated noise power at Halley, Antarctica, with the predictions of the long wave noise prediction (LNP) noise model. We compare the highest-ranked predicted…Lightning atmospherics count rates observed at Halley, Antarctica
1 January, 2001 by Mark Clilverd
Lightning is considered to be a sensitive indicator of global change in the troposphere. In this paper we report the first results from the lightningatmospherics (sferics) counter deployed as part…Read more on Lightning atmospherics count rates observed at Halley, Antarctica
Testing the SOC hypothesis for the magnetosphere
1 January, 2001 by Mervyn Freeman
As noted by Chang, the hypothesis of self-organised criticality provides a theoretical framework in which the low dimensionality seen in magnetospheric indices can be combined with the scaling seen in…Read more on Testing the SOC hypothesis for the magnetosphere
Ambiguities in determination of self-affinity in the AE-index time series
1 January, 2001 by Mervyn Freeman
The interaction between the Earth's magnetic field and the solar wind plasma results in a natural plasma confinement system which stores energy. Dissipation of this energy through Joule heating in…Read more on Ambiguities in determination of self-affinity in the AE-index time series
What can we infer about the underlying physics from burst distributions observed in an RMHD simulation?
1 January, 2001 by Mervyn Freeman
We determine that the sizes of bursts in mean-square current density in a reduced magnetohydrodynamic (RMHD) simulation follow a power-law probability density function (PDF). The PDFs for burst durations and…Influence of environmental variability on breeding effort in a long-lived seabird, the yellow-nosed albatross
1 January, 2001
The provisioning parameters, breeding success, adult mass, and survival of yellow-nosed albatrosses were studied over 7 successive years at Amsterdam Island, southern Indian Ocean. We examined the ability of this…Water relations during desiccation of cysts of the potato-cyst nematode Globodera rostochiensis
1 January, 2001 by Roger Worland
The loss during desiccation of osmotically active water (OAW), which freezes during cooling to -45 °C, and osmotically inactive water (OIW), which remains unfrozen, from the cysts of the potato…Authigenic smectite clay coats in CRP-3 drillcore, Victoria Land basin, Antarctica, as a possible indicator of fluid flow: a progress report
1 January, 2001
The presence of authigenic smectite in the lower Oligocene sandstones of the Cape Roberts Project core CRP-3 from the Victoria Land Basin of Antarctica is confirmed by scanning electron, scanning-transmission…Rapid cold hardening in Antarctic microarthropods
1 January, 2001 by Roger Worland, Peter Convey
1 Rapid cold hardening was examined in three common Antarctic microarthropods using differential scanning calorimetry over timescales between 3 and 30 h, under field and controlled laboratory conditions. 2 In…Read more on Rapid cold hardening in Antarctic microarthropods
The role of habitat structure for biomolecule integrity and microbial survival under extreme environmental stress in Antarctica (and Mars?): ecology and technology
1 January, 2001
The integrity of cells and biomolecules in stressed environments is enhanced within microhabitats. Despite desiccation and low temperatures in Antarctic deserts, the greatest near-surface factor is solar radiation. Photosynthetic microbial…Why astrobiology needs collaboration
1 January, 2001
Antarctic astrobiological research has benefited from the affiliation of the UK Astrobiology Forum (UKAF) to the NASA Astrobiology Institute (NAI). NAI funding of a miniature Raman spectrometer for the characterization…Brines in seepage channels as eluants for subsurface relict biomolecules on Mars?
1 January, 2001
Water, vital for life, not only maintains the integrity of structural and metabolic biomolecules, it also transports them in solution or colloidal suspension. Any flow of water through a dormant…Read more on Brines in seepage channels as eluants for subsurface relict biomolecules on Mars?
Estimating the abundance of Patagonian toothfish Dissostichus eleginoides using baited cameras: a preliminary study
1 January, 2001 by Martin Collins
The Patagonian toothfish Dissostichus eleginoides has been the object of a rapidly expanding longline fishery in the Southern Ocean. Little is known about the biology of D. eleginoides and traditional…A combined zircon SHRIMP and Sm-Nd isotope study of high-grade paragneisses from the Mid-German Crystalline Rise: evidence for northern Gondwanan and Grenvillian provenance
1 January, 2001
SHRIMP analyses of detrital zircon cores from high-grade metasediments from the Mid-German Crystalline Rise, which is situated between Eastern Avalonia in the NW and Saxo-Thuringia in the SE, yield mostly…Metamorphic evolution of garnet-epidote-biotite gneiss from the Moine Supergroup, Scotland, and geotectonic implications
1 January, 2001
Metapelitic gneisses from the Glenfinnan Group of the Moine Supergroup, Scotland, contain sparse large and numerous small garnets, associated with complex zoned epidote and plagioclase in a biotite matrix. The…Late Quaternary iceberg rafting along the Antarctic Peninsula continental rise and in the Weddell and Scotia Seas
1 January, 2001
Sediment cores from the continentalrise west of the AntarcticPeninsula and the northern Weddell and ScotiaSeas were investigated for their ice-rafted debris (IRD) content by lithofacies logging and counting of particles…