Zobrazeno 1 - 10
of 176
pro vyhledávání: '"Valdecir de Assis Janasi"'
Autor:
Andrea Galli, Max W. Schmidt, Valdecir de Assis Janasi, Felix Soormann, Clara Talca Onken, Alexandra Aregger, Tobias Hendrickx, Samuel Huber, Zoe Kok, Emanuel Pestalozzi, Tabea Stäheli, Luka Wanner, Vinicius Louro
Publikováno v:
Journal of Maps, Vol 20, Iss 1 (2024)
We present the first geological map of the Aracruz pluton (Espírito Santo, Brazil), which belongs to the late Cambrian post-orogenic suite that intruded the Nova Venécia metapelites and Ediacaran syn-orogenic S-type granites of the Araçuaí belt.
Externí odkaz:
https://doaj.org/article/04fb5131587f4c318e1b1a53b7817c97
Autor:
João Pedro Gusão, Valdecir de Assis Janasi, Francisco de Assis Negri, Amélia João Fernandes, Júlia Taciro Mandacaru Guerra
Publikováno v:
Brazilian Journal of Geology, Vol 54, Iss 2 (2024)
Abstract We combined detailed field work with whole-rock geochemistry of samples from both surface exposures and rock chips from a ~300 m pile of basalt retrieved from a groundwater borehole in the Jaú region (central part of the state of São Paulo
Externí odkaz:
https://doaj.org/article/22b090ce6f384a0ab5c63bc5a09c1c96
Autor:
Priyeshu Srivastava, Bramley J. Murton, Lucy Gomes Sant’Anna, Fabio Florindo, Muhammad Bin Hassan, Julia Taciro Mandacaru Guerra, Valdecir de Assis Janasi, Luigi Jovane
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Autonomous underwater vehicle (AUV) mapping of the western Rio Grande Rise (RGR), South Atlantic, and subsequent exploration and photography of horizontal lava flows exposed in near vertical, faulted escarpments, showed occurrences of red cl
Externí odkaz:
https://doaj.org/article/f79cf2ef66544888a4d0d14398d7352b
Autor:
Natasha Sarde Marteleto, Valdecir de Assis Janasi, Letícia Freitas Guimarães, Liza Angélica Polo, Amanda Alves Ferreira
Publikováno v:
Journal of Maps, Vol 19, Iss 1 (2023)
ABSTRACTGeological maps of tropical areas demand special challenges due to weathering conditions, mainly where relief has low variability. Most part of Paraná Magmatic Province is included in this scenario. An exception to this situation is the sout
Externí odkaz:
https://doaj.org/article/1676822fff714815b7195ac04c5f25a4
Autor:
Lucia Castanheira de Moraes, Hildor José Seer, Valdecir de Assis Janasi, Francisco de Castro Valente Neto
Publikováno v:
Brazilian Journal of Geology, Vol 50, Iss 3 (2020)
Abstract In the NE edge of the Paraná Continental Magmatic Province (PCMP), compound pahoehoe, simple pahoehoe, rubbly flows, pillow lava, and simple pahoehoe/pyroclastic flows linked to ring structures with lithofacies associations have been identi
Externí odkaz:
https://doaj.org/article/f85ee1b5fd4d44bfa9b049bc6cdfd7c8
Publikováno v:
Geologia USP. Série Científica, Vol 19, Iss 3 (2019)
Four granitic plutons from the easternmost portion of the São Roque Domain (SRD) were dated by U-Pb zircon SHRIMP; the results indicate that the peak of granitic magmatism was concentrated in a short interval (606–589 Ma), the same as in the centr
Externí odkaz:
https://doaj.org/article/109527186428484dbe1322da4709d3cc
Publikováno v:
Geologia USP. Série Científica, Vol 18, Iss 2 (2018)
We present new in situ geochronological data of controversial silicic metavolcanic rocks from the lower terrigenous-metavolcanic sequence of the São Roque Group, Ribeira Belt, confirming that they are older than the rocks of higher-metamorphic grade
Externí odkaz:
https://doaj.org/article/b1c7c91586d541b69568a52ecb4a3a3d
Autor:
Amélia João Fernandes, Francisco de Assis Negri, José Maria Azevedo Sobrinho, Valdecir de Assis Janasi
Publikováno v:
Brazilian Journal of Geology, Iss 0 (2018)
ABSTRACT: From Araraquara to Avaré, in the Serra Geral Group outcropping area, 22 detailed geological sections were elaborated. The stratigraphic relationships and the chemical analysis allowed the identification of seven [P2O5] basalt classes, all
Externí odkaz:
https://doaj.org/article/78ad63d174cf407b94890217cc760527
Publikováno v:
Terrae Didatica, Vol 4, Iss 1, Pp 81-84 (2015)
Externí odkaz:
https://doaj.org/article/60f82187b6d748d0a689307a3cff9b02
Autor:
Lucia Fantinel, Valdecir de Assis Janasi, José Fernando Pina Assis, Jose Duarte Alecrim, Harrizon Lima de Almeida, Mauricio Compiani, Rommulo Vieira Conceição, Beatriz Paschoal Duarte, Gerson Fauth, Vanildo Pereira da Fonseca, Paulo Fortes, Washington Barbosa Leite Júnior, Fernando Mancini, Messias Gilmar de Menezes, Carlos Humberto da Silva, Wellington Ferreira da Silva Filho, Emilio Velloso Barroso, Celso Dal Ré Carneiro
Publikováno v:
Terrae Didatica, Vol 4, Iss 1, Pp 85-89 (2015)
Externí odkaz:
https://doaj.org/article/695a2d18bccc4026896fff663f4e754a