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The volcanic island of Iceland is a unique geological place due
both to its position in the middle of the Atlantic Ocean and its
repeated glaciations. It has been an accurate recorder of
geodynamic and regional climatic evolutions for at least the last
15 million years. This book studies the Quaternary magmatism
associated with the deep Iceland hotspot and, in particular, its
distinctive geochemical and volcanological characteristics. It also
analyzes that Arctic glacierization as it relates to the opening of
the North Atlantic and the appearance of today's ocean currents. We
will also investigate the Quaternary glaciation as it affected
Iceland in its oceanic context, particularly on the basis of
radiometric dating, looking at the formation of the Greenland and
Scandinavian ice sheets and data from marine sediment. Finally, it
explores the specific environmental features of the island, from
the end of the last ice age to global warming today. This book
brings together the internal and external geodynamics of our planet
to understand how Iceland functions and its role as a recorder of
the paleoclimatic evolution of the Northern Hemisphere.
The volcanic island of Iceland is a unique geological place due
both to its position in the middle of the Atlantic Ocean and its
repeated glaciations. It has been an accurate recorder of
geodynamic and regional climatic evolutions for at least the last
15 million years. This book traces the history of Iceland, which is
linked to the opening of the North Atlantic and the reactivation of
the ancient suture of the Iapetus Ocean. It gives a view of climate
evolution that is partly controlled by the dynamics of the ocean
floor and analyzes the movement of the Jan Mayen tectonic plate and
the progressive insularization of the Greenland-Faroe Ridge, which
gave birth to Iceland. It also tries to understand the formation
and migration of the deep Iceland hotspot and the lava flows that
have, for millions of years, shaped this island. This book brings
together the internal and external geodynamics of our planet to
understand how Iceland functions and its role as a recorder of the
paleoclimatic evolution of the Northern Hemisphere.
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