Development of volcanic passive margins: Three-dimensional laboratory models
نویسندگان
چکیده
منابع مشابه
Volcanic passive margins: another way to break up continents
Two major types of passive margins are recognized, i.e. volcanic and non-volcanic, without proposing distinctive mechanisms for their formation. Volcanic passive margins are associated with the extrusion and intrusion of large volumes of magma, predominantly mafic, and represent distinctive features of Larges Igneous Provinces, in which regional fissural volcanism predates localized syn-magmati...
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[1] The initial oceanic crust along volcanic passive margins is a factor of 3 greater than that of typical oceanic crust (20 versus 6–7 km). Convection driven by the edge of the continental lithosphere may cause mantle material to circulate through the shallow zone of significant melting beneath the nascent ocean basin and cause the volume of melted mantle to exceed that required to replace the...
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مدلهای گارچ در فضاهای هیلبرت پایان نامه حاضر شامل دو بخش می باشد. در قسمت اول مدلهای اتورگرسیو تعمیم یافته مشروط به ناهمگنی واریانس در فضاهای هیلبرت را معرفی، مفاهیم ریاضی مورد نیاز در تحلیل این مدلها در دامنه زمان را مطرح کرده و آنها را مورد بررسی قرار می دهیم. بر اساس پیشرفتهایی که اخیرا در زمینه تئوری داده های تابعی و آماره های عملگری ایجاد شده است، فرآیندهایی که دارای مقادیر در فضاهای ...
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Figure 1. Cross-sectional model of continental-margin response to high-amplitude fluctuations in eustatic sea level. The panels represent (A) floodand (B) stormdominated margins. Large panels show stratigraphic architecture resulting from two sea-level cycles superimposed on steady background subsidence. Red circles denote shoreface location. Stratal spacing: ∆t = 0.6. Insets show eustatic sea ...
متن کاملLaboratory Studies of Volcanic Jets
The study of the fluid dynamics of violent volcanic eruptions by laboratory experiment is described, and the important fluid-dynamic processes that can be examined in laboratory models are discussed in detail. In prelim•inary experiments, pure gases are erupted from small reservoirs. The gases used are Freon 12 and Freon 22, two gases of high molecular weight and high density that are good anal...
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ژورنال
عنوان ژورنال: Tectonics
سال: 2002
ISSN: 0278-7407
DOI: 10.1029/2001tc901019