Building the Cape Verde Islands (Hardcover, 2011 Ed.)

Ricardo A. S. Ramalho

Series: Springer Theses

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Hotspots are enigmatic surface features that are not easily explained in the framework of plate tectonics. Investigating their origin is the goal of this thesis, using field evidence collected in the Cape Verde Islands, a prominent hotspot archipelago in the eastern Atlantic Ocean. The approach taken is to document uplift of the islands relative to sea level and use the uplift features to test various models of hotspot development. Island uplift is thought to arise from the growth of the anomalously shallow seafloor on which the islands rest, known as the bathymetric swell, which is characteristic of hotspots. The work comprises a geological summary and detailed mapping of paleo sea level markers on Cape Verde. Isotopic dating of the markers shows that uplift on the islands over the last 6 Myr is up to 400 m, and that the uplift chronology varies among islands. Two processes act to raise the Cape Verde Islands. The dominant process is one that is local to individual islands. The regional, swell-related component is smaller, and possibly episodic. The observations provide strong constraints on swell development and on hotspot models.

General

Imprint:	Springer-Verlag
Country of origin:	Germany
Series:	Springer Theses
Release date:	May 2011
First published:	2011
Authors:	Ricardo A. S. Ramalho
Dimensions:	235 x 155 x 14mm (L x W x T)
Format:	Hardcover
Pages:	210
Edition:	2011 Ed.
ISBN-13:	978-3-642-19102-2
Categories:	Books > Science & Mathematics > Physics > Applied physics & special topics > Geophysics Books > Earth & environment > Earth sciences > Geology & the lithosphere > General Books > Earth & environment > Geography > Physical geography > General Promotions
LSN:	3-642-19102-9
Barcode:	9783642191022