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Mostrando ítems 1-10 de 11
The origin and evolution of the South American Platform
(Elsevier Science BvAmsterdamHolanda, 2000)
Short-term effects of gamma ray bursts on Earth
(SPRINGER, 2009)
The aim of the present work is to study the potential short-term atmospheric and biospheric influence of Gamma Ray Bursts on the Earth. We focus in the ultraviolet flash at planet`s surface, which occurs as a result of the ...
A template for an improved rock-based subdivision of the pre-Cryogenian timescale
(Geological Society Publications House, 2022-01)
The geological timescale before 720 Ma uses rounded absolute ages rather than specific events recorded in rocks to subdivide time. This has led increasingly to mismatches between subdivisions and the features for which ...
The role of ridges in the formation and longevity of flat slabs
(Nature Research, 2015-08)
Flat-slab subduction occurs when the descending plate becomes horizontal at some depth before resuming its descent into the mantle. It is often proposed as a mechanism for the uplifting of deep crustal rocks (‘thick-skinned’ ...
Evolução geotectônica do pré-cambriano da região meio norte do Brasil e sua correlação com a África Ocidental
(Universidade Federal do ParáBrasilInstituto de GeociênciasUFPAPrograma de Pós-Graduação em Geologia e Geoquímica, 2017)
A CONTRIBUTION TO THE SUBDIVISION OF THE PRECAMBRIAN IN SOUTH AMERICAUMA CONTRIBUIÇÃO PARA A SUBDIVISÃO DO PRÉ-CAMBRIANO NA AMÉRICA DO SUL
(Sociedade Brasileira de Geologia, 2018)
Estrutura do manto superior sob a Província Borborema através de tomografia telessísmica de onda P: implicações para o soerguimento, vulcanismo intraplaca e abertura do atlântico equatorial
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM GEODINÂMICA E GEOFÍSICA, 2018-02-28)
The Borborema Province is a geological and structural domain located in the Brazilian
Northeast, which is limited to the South by the São Francisco craton, to the West by the
Parna´ıba basin, and to the North and East ...