Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Márcio M. Pimentel"'
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 81, Iss 1, Pp 99-114 (2009)
Age determinations using the 235U and 238U radioactive decay series to the daughter isotopes 207Pb and 206Pb, respectively, using the mineral zircon (ZrSiO4), are widely used to decipher geological processes. A new method developed in the last couple
Externí odkaz:
https://doaj.org/article/e48ae8d812284b559ec37acf694f67bb
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 77, Iss 1, Pp 137-155 (2005)
C-isotope and 87Sr/86Sr values for five carbonate successions from the São Caetano Complex, northeastern Brazil, were used to constrain their depositional age and to determine large variations in the C- and Sr-isotopic composition of seawater under
Externí odkaz:
https://doaj.org/article/444db9b4b929480c89c6209ccbe46025
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 75, Iss 3, Pp 331-339 (2003)
The Arenópolis volcano-sedimentary sequence is located in the southern part of the Goiás Magmatic Arc and includes a ca. 900 Ma calc-alkaline arc sequence made of volcanic rocks ranging in composition from basalts to rhyolites, metamorphosed under
Externí odkaz:
https://doaj.org/article/eeaecf188c5e4e4db48ef41dbef9d1e0
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 75, Iss 3, Pp 383-392 (2003)
The Fazenda Brasileiro gold mineralization is hosted by a gabbroic sill, intrusive into metavolcanicmetasedimentary rocks of the Rio Itapicuru Greenstone Belt, São Francisco Craton. The 2.05 Ga old mineralization is associated with intense shearing
Externí odkaz:
https://doaj.org/article/ad5759d962ad4f6b8707b712cc82d4ec
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 75, Iss 1, Pp 97-108 (2003)
The Itapuranga alkali granite and Uruana quartz syenite are large K-rich EW-elongated intrusions, in the central part of the Neoproterozoic Brasília Belt, central Brazil. They are associated with Pireneus lineaments, which cut the regional NNW-SSE s
Externí odkaz:
https://doaj.org/article/dd3bd8a8360e42a69bde1772dd02ee59
Autor:
MÁRCIO M. PIMENTEL, NILSON F. BOTELHO
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 73, Iss 2, Pp 263-276 (2001)
Supracrustal rocks of the Araí Group, together with coeval A-type granites represent a ca. 1.77-1.58 Ga old continental rift in Brazil. Two granite families are identified: the older (1.77 Ga) group forms small undeformed plutons, and the younger gr
Externí odkaz:
https://doaj.org/article/8139117e59664709839598e3e9667fba
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 72, Iss 4, Pp 604-605 (2000)
Externí odkaz:
https://doaj.org/article/d612af2103b64cf5b569dcf484dad1b1
Autor:
MÁRCIO M. PIMENTEL
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 73, Iss 3, Pp 474-474 (2001)
Externí odkaz:
https://doaj.org/article/4d99c13ed3ad4bcbbe18dcf03c5b4d36
Autor:
ALCIDES N. SIAL, VALDEREZ P. FERREIRA, MÁRCIO M. PIMENTEL, ALEJANDRO J. TOSELLI, FLORENCIO G. ACENOLAZA, RICARDO N. ALONSO, MIGUEL A. PARADA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 73, Iss 3, Pp 471-471 (2001)
Externí odkaz:
https://doaj.org/article/5f118f1cedf54c2091b314531a451952
Autor:
MÁRCIO M. PIMENTEL, REINHARDT A. FUCK
Publikováno v:
Revista Brasileira de Geociências. 24:104-111
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::feaa4d931446408fa4f6511e2a13ca58
https://doi.org/10.25249/0375-7536.1994104111
https://doi.org/10.25249/0375-7536.1994104111