Please use this identifier to cite or link to this item:

Title: O Sistema de Rift Africano: Algumas considerações
Authors: Duque, Maria Rosa
Editors: Caldeira, Bento
Barrenho, Joel
Borjes, José
Pombinho, José
Costa, Maria João
Duque, Maria Rosa
Bezzegouhd, Mourad
Salgado, Rui
Keywords: Rift
Fluxo de calor
Issue Date: Jan-2014
Publisher: Bento Caldeira, Joel Barrenho,José Borges, José Pombinho, M. J. Costa, Maria Rosa Duque, Mourad Bezzeghoud, Rui Salgado
Citation: Duque, M.R.,O Sistema de Rift Africano: Algumas considerações.Proceedings da 8ª Assembleia Luso Espanhola de Geodesia e Geofísica (8ª ALEGG). Editores: Bento Caldeira, Joel Barrenho,José Borges, José Pombinho, M. J. Costa, Maria Rosa Duque, Mourad Bezzeghoud, Rui Salgado. ISBN:978-989-98836-0-4, 29 a 31 de Janeiro de 2014, Évora, Portugal.
Abstract: When we look to the world map of heat flow, we see in Africa regions with low heat flow values ( around 40 mW m-2) separated by regions where the heat flow values are higher ( 60 to 80 mW m-2).When we look to the geological map we can see, in the eastern zone of the map, one of the most extensive rifts on the Earth’s surface, extending from Jordan in south western Asia to Mozambique in south eastern Africa. The system is 6,400 Km long and averages 48 to 64 km wide, and consists of two branches. The main branch, the Eastern Rift Valley extends along the entire length of the system, from Jordan River and Dead Sea to Kenya and continues Southward through Mozambique Plain to the coast of the Indian Ocean near Beira. The western branch of the system extends northwards from the northern end of lake Nyasa in a great arc that includes several lakes. Most of these lakes are deep with their floors below sea level. The rift has an age of 30 million years. This work represents an attempt to study this region using thermal data including heat flow data, thermal springs location and water temperature, seismicity data and temperature data collected at the bottom of the holes during drilling works.
ISBN: 978-989-98836-0-4
Type: article
Appears in Collections:CGE - Artigos em Livros de Actas/Proceedings
FIS - Artigos em Livros de Actas/Proceedings

Files in This Item:

File Description SizeFormat
Comunicação.docx1.23 MBMicrosoft Word XMLView/OpenRestrict Access. You can Request a copy!
FacebookTwitterDeliciousLinkedInDiggGoogle BookmarksMySpaceOrkut
Formato BibTex mendeley Endnote Logotipo do DeGóis 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.


Dspace Dspace
DSpace Software, version 1.6.2 Copyright © 2002-2008 MIT and Hewlett-Packard - Feedback
UEvora B-On Curriculum DeGois