 | Sushchevskaya, N. M., Belyatsky, B. V., Tkacheva, D. A., Leitchenkov, G. L., Kuzmin, D. V., Zhilkina, A. V. (2018) Early Cretaceous Alkaline Magmatism of East Antarctica: Peculiarities, Conditions of Formation, and Relationship with the Kerguelen Plume. Geochemistry International, 56 (11) 1051-1070 doi:10.1134/s0016702918110071 | Journal (article/letter/editorial) | | 1005ā1025.
Early Cretaceous Alkaline Magmatism of East Antarctica:
Peculiarities, Conditions of Formation, and...of this zone (Jetty Oasis, western flank of the Beaver and Radok lakes, Fisher and Meredith massifs)
were...the Kerguelen plume on the lithospheric mantle of East Gondwana 120ā110 Ma. Similar ancient deep-seated...southern East Antarctica as well as in the north
within eastern India.
Keywords: East Antarctica, Lambert...INTRODUCTION
The passive continental margin of East Antarctica
and adjacent oceans was formed through rifting |  | Liu, Xiaochun, Zhao, Yue, Chen, Hong, Song, Biao (2017) New zircon UāPb and HfāNd isotopic constraints on the timing of magmatism, sedimentation and metamorphism in the northern Prince Charles Mountains, East Antarctica. Precambrian Research, 299. 15-33 doi:10.1016/j.precamres.2017.07.012 | Journal (article/letter/editorial) | | metamorphism in the northern Prince Charles Mountains,
East Antarctica
Xiaochun Liu, Yue Zhao, Hong Chen...metamorphism in the northern Prince Charles Mountains, East
Antarctica, Precambrian Research (2017),...metamorphism in the northern Prince
Charles Mountains, East Antarctica
Xiaochun Liua,*, Yue Zhao a, Hong...
Abstract
The northern Prince Charles Mountains (PCM) in East Antarctica represent the largest
continuously...data for the former two rock types from the Beaver Lake area in the
northern PCM. Zircons from the felsic |  | | Journal (article/letter/editorial) | | mafic dykes near Radok Lake, northern
Prince Charles Mountains, East Antarctica
N.C.N. Stephenson and...mafic dykes near Radok Lake, northern
Prince Charles Mountains, East Antarctica. Lithos, 29: 87-105.
Thin...Amery Group strata
around Radok Lake, northern Prince Charles Mountains, are high K/Na alkaline andesites...derived from commonly
envisaged upper mantle peridotite sources [with 100 Mg/(Mg + Fe ) ~ 89 ]. Instead...Radok
Lake in the Amery Oasis, northern Prince Charles
Mountains (Fig. 1 ). To the east of the lake and |  | | Journal (article/letter/editorial) | | ultramaĀ®c lamprophyres
from the Beaver Lake area of Eastern
Antarctica and their relation
to the breakup...and
plug-like intrusive bodies in the East Antarctic Beaver Lake area. They consist of
varying amounts...Primary melts originated by melting of upper mantle peridotite which had been veined
by phlogopite Ā carbonate...characteristics are derived from melting of the wall-rock peridotite. The
depth of about 130 km is indicated by the...suppressed the crystallization of
clinopyroxene. The Beaver Lake ultramaĀ®c lamprophyres are a distal effect of |  | | Journal (article/letter/editorial) | | composition of ultramafic
lamprophyres from the East Antarctic Beaver Lake area
A.V. Andronikov a,) , S.F. Foley...ultramafic lamprophyres from the
Beaver Lake area in East Antarctica, which are developed as sill, dyke...source region. A characteristic feature of the Beaver
Lake rocks is low concentrations of Zr and Hf ŽZr...the west may have resulted in
grazing of the peridotite solidus at depths greater than 110 km. The initial...signature from carbonate-rich veins and depleted peridotite wall-rock. The CO 2-rich
component of the lamprophyres |  | | Journal (article/letter/editorial) | | continental crust in the northern prince Charles
mountains (East Antarctica) as evidenced by zircon xenocrysts...continental crust in the northern prince Charles mountains (East Antarctica)
as evidenced by zircon xenocrysts...CONTINENTAL CRUST IN THE NORTHERN PRINCE CHARLES
MOUNTAINS (EAST ANTARCTICA) AS EVIDENCED BY ZIRCON XENOCRYSTS...alkaline-ultramafic stocks in the northern Prince Charles Mountains (PCM)
contain zircon xenocrysts entrained...rocks, zircon xenocrysts, UāThāPb dating, East Antarctica
* Corresponding author: emikhalsky@mail.ru |  | | Journal (article/letter/editorial) | | upon the Continental and Oceanic Magmatism of East Antarctica
N. M. Sushchevskayaa, *, B. V. Belyatskyb,...Jetty Oasis (rift zone
of the Lambert glacier, East Antarctica) are similar in the age (117ā110 Ma) and geochemistry...intrusions). Alkaline magmatism in India and
Antarctica is related to the activity of the Kerguelen plume...of Australia (Bunbury), India (Rajmahal), and Antarctica
(Jetty Oasis), thus forming surrounding igneous...continental margins of India, Australia, and Antarctica. This magmatism coincided in time with the
opening |  | | Report (article/chapter) | | 3, 2015
Lithospheric mantle domains beneath Antarctica
P. T. L E A T 1, A . A. D E A N 1, I. L. M I...mantle
sources. Data have been collated from Antarctica and the Falkland Islands (adjacent in
Gondwana)...Proterozoic cratonic and circumcratonic areas of East Antarctica have time-corrected end
values of -20 to -3...Proterozoic to Early Palaeozoic areas of West Antarctica, Victoria Land
and the Falkland Islands that formed the...to attempt to define
lithospheric provinces in Antarctica and a
discussion follows on how these relate |  | | Journal (article/letter/editorial) | | Austria
Sm-Nd and Rb-Sr isotopic systematics
of the East Antarctic Manning Massif
alkaline trachybasalts...Manning Massif in the northern Prince Charles Mountains, East Antarctica. Several
separate flows, each...suggested here to result from
isotopic mixing between peridotite wall-rocks similar to the Jetty Peninsula xenolith...quite closely: the wall-rock was an enriched peridotite,
whereas the vein assemblage comprised dominantly...OlivinTrachybasalten im Manning Massiv in den n6rdlichen Prince Charles Mountains,
Ost-Antarktis, untersucht. Proben wurden |  | | Journal (article/letter/editorial) | | com/locate/gca
Evidence from Antarctic mantle peridotite xenoliths for changes
in mineralogy, geochemistry...spinel peridotite xenoliths associated with the Phanerozoic LambertāAmery Rift in eastern Antarctica contain...magma during the initial stages of the breakup of Antarctica, India and
Madagascar. The ļ¬rst chronological...vary
Rift geotherms from mantle xenoliths in Antarctica
from prominent examples in which crust and lithosphere...lithosphere
are merely thinned, such as the East African (Mechie
et al., 1997) or Rio Grande Rifts (Wilson |  | Riley, Teal R, Leat, Philip T, Storey, Bryan C, Parkinson, Ian J, Millar, Ian L (2003) Ultramafic lamprophyres of the Ferrar large igneous province: evidence for a HIMU mantle component. Lithos, 66 (1) 63-76 doi:10.1016/s0024-4937(02)00213-x | Journal (article/letter/editorial) | | Madingley Road, Cambridge CB3 0ET, UK
b
Gateway Antarctica, University of Canterbury, Private Bag 4800,...dykes from the Ferrar Province (Pensacola Mountains) of Antarctica preserve trace element
and isotope signatures...province extends over 3500
km from the Theron Mountains of Antarctica to southeast Australia and Tasmania (e...Forrestal layered
mafic intrusion of the Pensacola Mountains is located
at the Ronne Ice Shelf end of the Ferrar...(2003) 63ā76
65
Fig. 2. Map of the Pensacola Mountains showing the location of the ultramafic lamprophyres |  | | Journal (article/letter/editorial) | | microfossils in the Ellsworth LandāAntarctic
PeninsulaāWeddell SeaāDronning Maud Land sector (240Ā°Eā0Ā°ā015Ā°E)...Hfāisotopes
Erratics
Recycled microfossils
Ice-covered Antarctica
a b s t r a c t
The age and composition of the...Peninsula
(AP) is West Antarctica, and of detritus east of the AP East Antarctica. We conļ¬rm that the Central...provenance about a core of the Gamburtsev Subglacial Mountains (GSM) and the Vostok Subglacial Highlands
(VSH)...lies beneath the ice in East Antarctica south and southeast of Dronning
Maud Land within the Antarctic part |  | | Book | | earth scientists in the
scientific exploration of Antarctica can best be judged
from the fact that 7 years...geology and solid earth geophysical literature
of Antarctica.
It is worth noting that two important differences...where earth scientists
have but a fragment of Antarctica exposed to study
and at times make, in some cases...parts of Antarctica, and the infuence of new plate tecĀ¬
tonic thinking not only in Antarctica but in its...Adie
freedom of the SCAR nations working in Antarctica,
to give to SCAR his services, for the second |  | | Journal (article/letter/editorial) | | Formation in the Metasomatized Mantle
beneath East Antarctica
I. P. Solovovaa, L. N. Kogarkob, and A. A....2015
AbstractāGarnetāspinel lherzolites from Antarctica and peridotites from Mongolia were fluid saturated...assemblage mss + sulfide melt, (2) the solidus of peridotite + 0.9CO2 + 0.1 H2O, and (3) isochores of
0.8CO2...by extensive carbonate metasoma
tism from East Antarctica. We present compelling evi
dence for the presence...eastern zone of the
Beaver Lake rift system, Prince Charles Mountains
(East Antarctica). They are made up |  | | Journal (article/letter/editorial) | | in Upper Mantle
Lherzolite Xenoliths from East Antarctica
Alexandre V. Andronikov * , Irina E. Andronikova...in Upper Mantle Lherzolite
Xenoliths from East Antarctica.
Minerals 2021, 11, 773. https://
doi.org/10...alkaline-ultramafic rocks in
the Jetty Peninsula (East Antarctica) were studied for their major and trace-element...sulfide liquids depends on P, T, f O2 , and host peridotite composition.
Academic Editors: Nigel J. Cook...sulfides; trace elements; upper mantle xenoliths; East Antarctica; SEM; LA-ICP-MS
Rao Kota, Theodore J. Bornhorst |  | | Book (volume) | | New South Wales,
Australia
Contributors
vi
Charles S. Hutchison
Russel W. Raitt
Department of Geology............................................
VIII. Land Surfaces and Tertiary Basins of Natal and Zululand...Somali Ocean Basin and the Continental Margin of
East Africa
P.E. Kent
I. Introduction ...................................................
IV. Oman Mountains ............................................................................................
B. East Coast ......................................... |  | Rosenthal, A., Foley, S.F., Pearson, D.G., Nowell, G.M., Tappe, S. (2009) Petrogenesis of strongly alkaline primitive volcanic rocks at the propagating tip of the western branch of the East African Rift. Earth and Planetary Science Letters, 284 (1) 236-248 doi:10.1016/j.epsl.2009.04.036 | Journal (article/letter/editorial) | | the propagating tip of the
western branch of the East African Rift
A. Rosenthal a,b,ā, S.F. Foley a,b...online 12 June 2009
Editor: R.W. Carlson
Keywords:
East African Rift
kamafugite
rift volcanism
alkaline...northward volcanics of
the western branch of the East African Rift. Lavas contain exceptionally low SiO2...second end-member that
may be derived from melting peridotite, the MARID assemblage, or a mixture of both....magma volume
rifts such as the western branch of the East African Rift, silicaundersaturated rocks are common |  | Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A., Sinha, A. K. (2010) MINERAL COMPOSITIONS AND PETROGENETIC EVOLUTION OF THE ULTRAMAFIC-ALKALINE - CARBONATITIC COMPLEX OF SUNG VALLEY, NORTHEASTERN INDIA. The Canadian Mineralogist, 48 (1) 205-229 doi:10.3749/canmin.48.1.205 | Journal (article/letter/editorial) | | emplaced slightly before or during
the IndiaāAntarctica break-up. It consists of ultramafic rocks (dunites...province is related to the initiation of
the Ninety-East Ridge volcanism in the Indian Ocean
(e.g., Duncan...intrusions (117ā110 Ma) are recorded also in East Antarctica
(Foley et al. 2002). These are likely counterparts...ultramafic
rocks (clinopyroxenite, serpentinized peridotite, and
melilitolite), alkaline rocks (ijolite and...2005, Fig. 1).
Clinopyroxenite, serpentinized peridotite and ijolites
form most of the complex, whereas |  | | Book | | Distribution and Evolution of Plume Magmatism in East Antarctica 73 Nadezhda M. Sushchevskaya, Boris V. Belyatsky...the manifestation of the KarooāMaud plume in Antarctica and Africa, have a considerable duration and...1997). Some seismic activity has been identified east of the CVF. It is very weak, with 2-3 events per...part of a NW-SE elongated cluster of volcanoes, east of the village of Mestanza. The graben shoulders...Comprehensive Approach to Volcanological Problems lake at 700 m a.s.l.. It has a diameter of about 450 |  | Sushchevskaya, N. M., Migdisova, N. A., Antonov, A. V., Krymsky, R. Sh., Belyatsky, B. V., Kuzmin, D. V., Bychkova, Ya. V. (2014) Geochemical features of the quaternary lamproitic lavas of Gaussberg Volcano, East Antarctica: Result of the impact of the Kerguelen plume. Geochemistry International, 52 (12) 1030-1048 doi:10.1134/s0016702914120106 | Journal (article/letter/editorial) | | Quaternary Lamproitic Lavas of Gaussberg Volcano, East Antarctica: Result of the Impact of the Kerguelen Plume...with data on the magmatic rocks developed in the East Antarc tica and Indian Ocean in relation with the...southwestern direction. Keywords: lamproites, Antarctica, plume magmatism, isotopy, geochemistry DOI:...underlying long evolved continental mantle of East Antarctica. At the same time, the very important tectonic...structural setting: (1) tec tonic instability of the East Antarctic plate and (2) impact of mantle plume. |  | | Report (volume) | | Proterozoic East Gondwana: Supercontinent Assembly and Breakup Geological Society Special Publications...WINDLEY, B. F. & DASGUPTA, S. (eds) 2003. Proterozoic East Gondwana: Supercontinent Assembly and Breakup. Geological...WINDLEY, B. F. & DASGUPTA, S. (eds) Proterozoic East Gondwana: Supercontinent Assembly and Breakup. Geological...SOCIETY SPECIAL PUBLICATION NO. 206 Proterozoic East Gondwana: Supercontinent Assembly and Breakup EDITED...560-2652 E-mail bookstore@aapg.org India Affiliated East-West Press PVT Ltd G-l/16 Ansari Road, Daryaganj |  | | Report (issue) | | GEOLOGY TULIP LAKE REGION.
Godfrey, John D. Geology of the Fitzgerald, Tulip-Mercredi-Charles Lakes
district...concentrations of the primary streams
to upper Beaver Lake. Fayetteville, Ark. : Arkansas Water Resources...RESOURCES--DOS CABEZAS MOUNTAINS WILDERNESS.
Mineral resources of the Dos Cabezes Mountains Wilderness Study...CALIFORNIA GEOLOGY KERN COUNTY--GUIDE-BOOKS.
South East San Joaquin Valley field trip, Kern County, California...). Ad Hoc Committee on the Relationship
Between Land Ice and Sea Level.Glaciers, ice sheets, and sea |  | Kerr, Andrew C., Khan, Mehrab, Mahoney, John J., Nicholson, Kirsten Ngaire, Hall, Chris M. (2010) Late Cretaceous alkaline sills of the south Tethyan suture zone, Pakistan: Initial melts of the RĆ©union hotspot?. Lithos, 117 (1) 161-171 doi:10.1016/j.lithos.2010.02.010 | Journal (article/letter/editorial) | | modelled by melting of a standard garnet or spinel peridotite (Fig. 6b),
and so Zr/Nb ratios cannot be used...al., 2008), and zircon-bearing metasomatised
peridotite xenoliths are common (e.g. Kinny and Dawson,...involving a moderately incompatible
element-depleted peridotite source containing enriched, zirconbearing, metasomatised...of the melt (over 90%)
being derived from the peridotite, and a relatively small, but
signiļ¬cant, amount...with a substantial contribution to the melt from peridotite
(cf. Andronikov and Foley, 2001).
Although our |  | | Journal (article/letter/editorial) | | The ReāOs system gives broad indications of peridotite
ages with large uncertainties of 300ā500 Myr...introduction of new minerals into pre-existing peridotite, but
to veins of other ultramafic assemblages...understanding the history of the more depleted
peridotite types. Because these methods have only recently...much higher than usual for a craton;
the level of Lake Victoria on the craton is 1,100 m. This is believed...Figure 2 Comparison of melting curves for mantle peridotite in oxidized (blue; with
H2O and CO2 (ref. 80ā82)) |  | | Report (issue) | | Lee (Jahala) Lake occurrence
Pitching Lake occurrence
La Ronge uranium mine
Wapawekka Lake occurrence
Dolomitic...Andalusite occurrences
Western Nuclear Mine
Hanson Lake bery I occu rrence
Birch Portage beryl occurrence...Maloney Mine
Flexar Mine
Birch Lake Mine
Coronation Mine
Amisk (Beaver) Lake gold mines
Amisk Syndicate Mine...Strike Mine
Graham Mine
Prince Albert (Monarch) Mine
Amisk Gold Syndicate Mine
Beaver Mine
Hannay (Bessie)...deposit
Ace deposit
Amisk Lake exposures
Limestone Crevices
Mandy Mine
Schisl Lake Mine
Section 2: Flin Flon-Thompson |
|