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Sao Francisco Craton, Eastern Brazil - Tectonic Genealogy of a Miniature Continent (Paperback, Softcover reprint of the original 1st ed. 2017)
Loot Price: R4,543
Discovery Miles 45 430
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Sao Francisco Craton, Eastern Brazil - Tectonic Genealogy of a Miniature Continent (Paperback, Softcover reprint of the original 1st ed. 2017)
Series: Regional Geology Reviews
Expected to ship within 10 - 15 working days
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The region of the Sao Francisco river valley in eastern Brazil
encompasses two main components of the geologic framework of the
South American continent: the Sao Francisco craton and its marginal
orogenic belts. Cratons, as the oldest, differentiated and
relatively stable pieces of the continental lithosphere, preserve a
substantial part of the Earth's memory. Orogenic belts, on the
other hand, record collisional processes that occurred during a
limited time span. Because of their topographic relief, mountain
belts developed along craton margins provide however access to rock
successions not exposed in the low lands of the adjacent cratons.
The combination of geologic information obtained in cratonic
domains and their marginal orogenic belts thus form the basis for
deciphering substantial periods of Earth's history. Corresponding
to the most intensively studied portion of the Precambrian nucleus
of the South American plate, the Sao Francisco craton and its
margins host a rock record that spans from the Paleoarchean to the
Cenozoic. Precambrian sedimentary successions that witness ancient
Earth processes - many of them of global significance - are
especially well preserved and exposed in this region. With all
these attributes the Sao Francisco craton together with its
fringing orogenic belts can be viewed as a 'continent within a
continent' or a 'continent in miniature'.
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