Добрый день, Коллеги. Важное сообщение, просьба принять участие. Музей Ферсмана ищет помощь для реставрационных работ в помещении. Подробности по ссылке
Cenozoic, mafic alkaline volcanic rocks throughout West Antarctica (WA) occupy diverse tectonic environments. On the Antarctic Peninsula (AP), late Miocene Pleistocene (7 to < 1 Ma) alkaline basaltic rocks were erupted < 1 to 45 million years after subduction ceased along the Pacific margin of the AP. In Marie Byrd Land (MBL), by contrast, alkaline basaltic volcanism has been semi-continuous from 25-30 Ma to the present, and occurs in the West Antarctic rift system. Together, these Antarctic tectono-magmatic associations are analogous to the Basin and Range, Sierran, and Coast Range batholith provinces.
This technical report is an update to LPI Technical Report 89-02 (Schutt eta/., 1989), which contained data and information that was current to May 1987. Since that time approximately 4000 new meteorites have been collected, mapped, and characterized, mainly from the numerous icefields in the Allan Hills-David Glacier region, from the Pecora Escarpment and Moulton Escarpment in the Thiel Mountains-Patuxent region, the Wisconsin Range region, and from the Beardmore region.
Структура и история развития фундамента Восточноантарктической платформы, как и геологическая природа протерозойских и раннепалеозойских структурно-вещественных комплексов, вызывают значительный интерес исследователей, начиная с ранних рекогносцировочных работ 1950-х — начала 1960-х годов С тех пор эти вопросы являются предметом пристального изучения и острых дискуссий и составляют одну из ключевых проблем тектонического строения Антарктиды
The fragile Antarctic environment consists of a closely linked system of the lithosphere, atmosphere, cryosphere, hydrosphere and biosphere. Changes in this system have influenced global climate, oceanography and sea level for most of Cenozoic time. The geological history of this region therefore provides a special record of important interactions between the various components of the Earth System.
In spite of its remote location and its cold and stormy weather, Antarctica has attracted seal hunters, whalers, and scientists all of whom have contributed to the exploration of this continent. The names of these explorers are preserved by many of the topographic and geologic features of Antarctica, as well as by the names of its coastal areas and surrounding oceans.
Although it is generally understood that the Antarctic Ice Sheet plays a critical role in the changing global system, there is to date still a lack of generally available information on the subject. Climatic change and the role of the polar areas are often discussed in the media.
Это первая в мире книга, посвященная истории открытия и исследования озера Восток, одного из крупнейших, лишь в несколько раз меньше Байкала, пресных озер Земли, расположенного под четырехкилометровой толщей льда в центральной Антарктиде. Открытие этого озера считается важнейшим географическим открытием второй половины XX века.
The Antarctic Ice Sheet has greatly affected global climate, sea level, ocean circulation, and southern hemisphere biota during Cenozoic times. Much of our understanding of the evolution of the ice sheet has been inferred from isotopic studies on distant deep-ocean sediments, because few Cenozoic rocks are exposed on the Antarctic continent. Yet, large differences occur between past ice volumes inferred from isotopic studies and those inferred from low-latitude sea-level variation.
