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1

Crustal reworking in a shear zone: transformation of metagranite to migmatite

Carvalho, B. B., Sawyer, E. W., Janasi, V. A.

Journal:

Journal of Metamorphic Geology

Year:

2016

Language:

english

File:

PDF, 7.95 MB

english, 2016

2

Barium Ferrite Powders Obtained by Co-Precipitation

S.R. Janasi, D. Rodrigues, M. Emura, F.J.G. Landgraf

Journal:

physica status solidi (a)

Year:

2001

Language:

english

File:

PDF, 174 KB

english, 2001

3

Subdivision of Hysteresis Loss in Mn-Zn Ferrite Toroidal Cores

Landgraf, F.J.G., Lazaro-Colan, V.A., Janasi, S.R., Leicht, J.

Journal:

IEEE Transactions on Magnetics

Year:

2012

Language:

english

File:

PDF, 460 KB

english, 2012

4

U–Pb chronostratigraphy of the granitic magmatism in the Agudos Grandes Batholith (west of São Paulo, Brazil) — implications for the evolution of the Ribeira Belt

V.A Janasi, R.J Leite, W.R van Schmus

Journal:

Journal of South American Earth Sciences

Year:

2001

Language:

english

File:

PDF, 604 KB

english, 2001

5

Space–time relation of post-collisional granitic magmatism in Santa Catarina, southern Brazil: U–Pb LA-MC-ICP-MS zircon geochronology of coeval mafic–felsic magmatism related to the Major Gercino Shear Zone

Luana Moreira Florisbal, Valdecir de Assis Janasi, Maria de Fátima Bitencourt, Larry M. Heaman

Journal:

Precambrian Research

Year:

2012

Language:

english

File:

PDF, 3.22 MB

english, 2012

6

Magnetic properties of coprecipitated barium ferrite powders as a function of synthesis conditions

Janasi, S.R., Rodrigues, D., Landgraf, F.J.G., Emura, M.

Journal:

IEEE Transactions on Magnetics

Year:

2000

Language:

english

File:

PDF, 70 KB

english, 2000

7

Zircon provenance in meta-sandstones of the São Roque Domain: Implications for the Proterozoic evolution of the Ribeira Belt, SE Brazil

Henrique-Pinto, R., Janasi, V.A., Vasconcellos, A.C.B.C., Sawyer, E.W., Barnes, S.-J., Basei, M.A.S., Tassinari, C.C.G.

Journal:

Precambrian Research

Year:

2015

Language:

english

File:

PDF, 7.81 MB

english, 2015

8

Evidence for Paleoproterozoic anatexis and crustal reworking of Archean crust in the São Francisco Craton, Brazil: A dating and isotopic study of the Kinawa migmatite

Carvalho, B.B., Janasi, V.A., Sawyer, E.W.

Journal:

Precambrian Research

Year:

2017

Language:

english

File:

PDF, 4.86 MB

english, 2017

9

Volcanic glass in Cretaceous dacites and rhyolites of the Paraná Magmatic Province, southern Brazil: Characterization and quantification by XRD-Rietveld

de Andrade, Fábio Ramos Dias, Polo, Liza Angélica, de Assis Janasi, Valdecir, de Souza Carvalho, Flávio Machado

Journal:

Journal of Volcanology and Geothermal Research

Year:

2017

Language:

english

File:

PDF, 2.85 MB

english, 2017

10

Generation of block-and-ash flows at the onset of silicic volcanism in the Paraná Magmatic Province (Brazil): evidence from photoanalysis of Caxias do Sul breccias

Guimarães, Letícia Freitas, Hornby, Adrian, Kueppers, Ulrich, Alves, Adriana, de Assis Janasi, Valdecir, Dingwell, Donald Bruce

Journal:

Bulletin of Volcanology

Year:

2019

File:

PDF, 10.75 MB

2019

11

SHRIMP U-Pb zircon dating of Neoproterozoic granites from the easternmost São Roque Domain, Ribeira Belt

Lamoso, Ingrid Souto Maia, Janasi, Valdecir De Assis

Journal:

Geologia USP Série Científica

Year:

2019

File:

PDF, 23.46 MB

2019

12

Tracking the oxygen fugacity of enclave-forming granitic melts through plagioclase trace element signatures

Alves, Adriana, Janasi, Valdecir de Assis

Journal:

Contributions to Mineralogy and Petrology

Year:

2020

File:

PDF, 1.10 MB

2020

13

Rapid eruption of silicic magmas from the ParanÃ¡ magmatic province (Brazil) did not trigger the Valanginian event

Rocha, Brenda C., Davies, Joshua H.F.L., Janasi, Valdecir A., Schaltegger, Urs, Nardy, AntÃ´nio J.R., Greber, Nicolas D., Lucchetti, Ana Carolina F., Polo, Liza A.

Journal:

Year:

2020

File:

PDF, 1.36 MB

2020

14

Geometry effect on the magnetic properties of manganese zinc ferrite

F.J.G. Landgraf, V. Lázaro-Cólan, J. Leicht, S.R. Janasi, M.F. Lopes

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2008

Language:

english

File:

PDF, 118 KB

english, 2008

15

Magnetic loss, permeability dispersion, and role of eddy currents in Mn–Zn sintered ferrites

C. Beatrice, F. Fiorillo, F.J. Landgraf, V. Lazaro-Colan, S. Janasi, J. Leicht

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2008

Language:

english

File:

PDF, 331 KB

english, 2008

16

Sr and Nd isotopic geochemistry of the early ultramafic–mafic rocks of the Mako bimodal volcanic belt of the Kedougou–Kenieba inlier (Senegal)

Papa Malick Ngom, Umberto G. Cordani, Wilson Teixeira, Valdecir de Assis Janasi

Journal:

Arabian Journal of Geosciences

Year:

2010

Language:

english

File:

PDF, 415 KB

english, 2010

17

The Determination of Total Hydrogen, Carbon, Nitrogen and Sulfur in Silicates, Silicate Rocks, Soils and Sediments

Sandra Andrade, Horstpeter H. Ulbrich, Valdecir A. Janasi, Margareth S. Navarro

Journal:

Geostandards and Geoanalytical Research (Wiley)

Year:

2009

File:

PDF, 136 KB

2009

18

Magnetic fabrics and their relationship with the emplacement of the Piracaia pluton, SE Brazil

M. Irene B. Raposo, Leonardo Frederico Pressi, Valdecir de Assis Janasi

Journal:

International Journal of Earth Sciences

Year:

2012

Language:

english

File:

PDF, 1023 KB

english, 2012

19

Removal of Pb2+from aqueous solutions using two Brazilian rocks containing zeolites

M. C. Shinzato, T. J. Montanheiro, V. A. Janasi, S. Andrade, J. K. Yamamoto

Journal:

Environmental Earth Sciences

Year:

2012

Language:

english

File:

PDF, 298 KB

english, 2012

20

The effects of synthesis variables on the magnetic properties of coprecipitated barium ferrite powders

S.R. Janasi, M. Emura, F.J.G. Landgraf, D. Rodrigues

Journal:

Journal of Magnetism and Magnetic Materials

Year:

2002

Language:

english

File:

PDF, 147 KB

english, 2002

21

The Impact of the Transformation Project on Isolated Patient Placement

Amanda Hessels, Peg Janasie, Susan Hanrahan

Journal:

American Journal of Infection Control

Year:

2011

Language:

english

File:

PDF, 61 KB

english, 2011

22

Reaction microtextures of monazite: Correlation between chemical and age domains in the Nazaré Paulista migmatite, SE Brazil

Lucelene Martins, Silvio Roberto Farias Vlach, Valdecir de Assis Janasi

Journal:

Chemical Geology

Year:

2009

Language:

english

File:

PDF, 3.13 MB

english, 2009

23

The onset of flood basalt volcanism, Northern Paraná Basin, Brazil: A precise U–Pb baddeleyite/zircon age for a Chapecó-type dacite

Valdecir de Assis Janasi, Vivian Azor de Freitas, Larry H. Heaman

Journal:

Earth and Planetary Science Letters

Year:

2011

Language:

english

File:

PDF, 370 KB

english, 2011

24

The late- to postorogenic transition in the Apiaí domain, SE Brazil: Constraints from the petrogenesis of the Neoproterozoic Agudos Grandes Granite Batholith

Renato Jordan Leite, Valdecir de Assis Janasi, Robert A. Creaser, Larry M. Heaman

Journal:

Journal of South American Earth Sciences

Year:

2007

Language:

english

File:

PDF, 3.53 MB

english, 2007

25

The late- to postorogenic transition in the Neoproterozoic Agudos Grandes Granite Batholith (Apiaí Domain, SE Brazil): Constraints from geology, mineralogy, and U–Pb geochronology

Renato Jordan Leite, Larry M. Heaman, Valdecir de Assis Janasi, Lucelene Martins, Robert A. Creaser

Journal:

Journal of South American Earth Sciences

Year:

2007

Language:

english

File:

PDF, 4.09 MB

english, 2007

26

Orogen migration and tectonic setting of the Andrelândia Nappe system: An Ediacaran western Gondwana collage, south of São Francisco craton

Mario da Costa Campos Neto, Miguel Angelo Stipp Basei, Valdecir de Assis Janasi, Renato Moraes

Journal:

Journal of South American Earth Sciences

Year:

2011

Language:

english

File:

PDF, 1.96 MB

english, 2011

27

Elemental and Sr–Nd isotope geochemistry of two Neoproterozoic mangerite suites in SE Brazil: implications for the origin of the mangerite–charnockite–granite series

Valdecir de Assis Janasi

Journal:

Precambrian Research

Year:

2002

Language:

english

File:

PDF, 1.25 MB

english, 2002

28

Adaptation of ICP–OES routine determination techniques for the analysis of rare earth elements by chromatographic separation in geologic materials: tests with reference materials and granitic rocks

M.S Navarro, H.H.G.J Ulbrich, S Andrade, V.A Janasi

Journal:

Journal of Alloys and Compounds

Year:

2002

Language:

english

File:

PDF, 307 KB

english, 2002

29

Contrasted crustal sources as defined by whole-rock and Sr–Nd–Pb isotope geochemistry of neoproterozoic early post-collisional granitic magmatism within the Southern Brazilian Shear Belt, Camboriú, Brazil

Florisbal, Luana Moreira, de Assis Janasi, Valdecir, de Fátima Bitencourt, Maria, Stoll Nardi, Lauro Valentim, Heaman, Larry M.

Journal:

Journal of South American Earth Sciences

Year:

2012

Language:

english

File:

PDF, 6.73 MB

english, 2012

30

Petrogenesis of syntectonic granites emplaced at the transition from thrusting to transcurrent tectonics in post-collisional setting: Whole-rock and Sr–Nd–Pb isotope geochemistry in the Neoproterozoic Quatro Ilhas and Mariscal Granites, Southern Brazil

Florisbal, Luana Moreira, Bitencourt, Maria de Fátima, Janasi, Valdecir de Assis, Nardi, Lauro Valentim Stoll, Heaman, Larry M.

Journal:

Year:

2012

Language:

english

File:

PDF, 3.59 MB

english, 2012

31

Crystallization conditions and controls on trace element residence in the main minerals from the Pedra Branca Syenite, Brazil: An electron microprobe and LA-ICPMS study

Carvalho, Bruna Borges, Janasi, Valdecir de Assis

Journal:

Year:

2012

Language:

english

File:

PDF, 3.90 MB

english, 2012

32

U–Pb geochronology of the granite magmatism in the Embu Terrane: Implications for the evolution of the Central Ribeira Belt, SE Brazil

Alves, Adriana, Janasi, Valdecir de Assis, Campos Neto, Mario da Costa, Heaman, Larry, Simonetti, Antonio

Journal:

Precambrian Research

Year:

2013

Language:

english

File:

PDF, 1.78 MB

english, 2013

33

Late Proterozoic granitoid magmatism in the state of São Paulo, southeastern Brazil

de Assis Janasi, Valdecir, Ulbrich, Horstpeter H.G.J.

Journal:

Precambrian Research

Year:

1991

Language:

english

File:

PDF, 1.76 MB

english, 1991

34

Geochemical and Sr–Nd–Pb isotope constraints on the petrogenesis of the K-rich Pedra Branca Syenite: Implications for the Neoproterozoic post-collisional magmatism in SE Brazil

Carvalho, Bruna Borges, Janasi, Valdecir de Assis, Henrique-Pinto, Renato

Journal:

Year:

2014

Language:

english

File:

PDF, 8.23 MB

english, 2014

35

Microgranitic Enclaves as Products of Self-mixing Events: a Study of Open-system Processes in the Maua Granite, Sao Paulo, Brazil, Based on in situ Isotopic and Trace Elements in Plagioclase

Alves, A., de Assis Janasi, V., Simonetti, A., Heaman, L.

Journal:

Journal of Petrology

Year:

2009

Language:

english

File:

PDF, 3.11 MB

english, 2009

36

Mathiasite-loveringite and priderite in mantle xenoliths from the Alto Paranaíba Igneous Province, Brazil: genesis and constraints on mantle metasomatism

Vidyã V. Almeida,Valdecir de A. Janasi…

Journal:

Central European Journal of Geosciences

Year:

2014

Language:

english

File:

PDF, 5.67 MB

english, 2014

37

Tectonic significance of the Florianópolis Dyke Swarm, Paraná–Etendeka Magmatic Province: A reappraisal based on precise U–Pb dating

Florisbal, Luana Moreira, Heaman, Larry M., de Assis Janasi, Valdecir, de Fatima Bitencourt, Maria

Journal:

Journal of Volcanology and Geothermal Research

Year:

2014

Language:

english

File:

PDF, 2.39 MB

english, 2014

38

[IEEE INTERMAG 2000 Digest of Technical Papers. 2000 IEEE International Magnetics Conference - Toronto, Canada (April 9-13, 2000)] INTERMAG 2000 Digest of Technical Papers. 2000 IEEE International Magnetics Conference - Magnetic properties of coprecipitated barium ferrite powders as a function of synthesis conditions

Janasi, S.R., Rodrigues, D., Landgraf, F.J.G., Emura, M.

Year:

2000

Language:

english

File:

PDF, 98 KB

english, 2000

39

Integrated geological map of the São Roque Domain, North of São Paulo City – Brazil

Henrique-Pinto, Renato, Janasi, Valdecir de Assis, Carvalho, Bruna Borges, Calado, Bruno de Oliveira, Grohmann, Carlos Henrique

Journal:

Journal of Maps

Year:

2014

Language:

english

File:

PDF, 210 KB

english, 2014

40

Anisotropic Ferrite Produced with Coarse Particles Milled from Sintered Magnets

Janasi, S.R., Onellli, J.C.S., Rodrigues, Daniel

Journal:

Materials Science Forum

Year:

2003

File:

PDF, 432 KB

2003

41

Curie Temperature Determination of Pr14Fe79.9-xCoxB6Nb0.1 Permanent Magnet Alloys

Barbosa, L.P., Takiishi, H., Faria, R.N., Rodrigues, Daniel, Janasi, S.R.

Journal:

Materials Science Forum

Year:

2006

Language:

english

File:

PDF, 288 KB

english, 2006

42

Effect of Calcination Conditions on the Magnetic Properties of MnZn Ferrites Powders Produced by Co Precipitation

Janasi, S.R., Rodrigues, Daniel, Landgraf, Fernando José Gomes

Journal:

Materials Science Forum

Year:

2005

Language:

english

File:

PDF, 283 KB

english, 2005

43

Effect of Oxygen Content during Sintering on the Losses of MnZn Ferrites

Real Janasi, Susilene, Lázaro-Colán, Victoria A., Landgraf, Fernando J.G., de Campos, Marcos Flávio

Journal:

Materials Science Forum

Year:

2014

Language:

english

File:

PDF, 1.22 MB

english, 2014

44

ASSOCIATED A-TYPE SUBALKALINE AND HIGH-K CALC-ALKALINE GRANITES IN THE ITU GRANITE PROVINCE, SOUTHEASTERN BRAZIL: PETROLOGICAL AND TECTONIC SIGNIFICANCE

de Assis Janasi, V., Vlach, S. R. F., da Costa Campos Neto, M., Ulbrich, H. H.G.J.

Journal:

The Canadian Mineralogist

Year:

2009

File:

PDF, 4.07 MB

2009

45

The Effect of Niobium Content on the Curie Temperature and Microstructure of the Pr14Fe79.9-xCo16B6Nbx Alloys

Barbosa, L.P., Takiishi, H., Faria, R.N., Rodrigues, Daniel, Janasi, S.R., Stranguetti, A.

Journal:

Materials Science Forum

Year:

2008

Language:

english

File:

PDF, 632 KB

english, 2008

46

Magnetic Properties of Barium Ferrite Powders Obtained by Coprecipitation

Janasi, S.R., Rodrigues, Daniel, Landgraf, Fernando José Gomes, Emura, M.

Journal:

Key Engineering Materials

Year:

2001

File:

PDF, 616 KB

2001

47

Provenance and sedimentary environments of the Proterozoic São Roque Group, SE-Brazil: Contributions from petrography, geochemistry and Sm–Nd isotopic systematics of metasedimentary rocks

Henrique-Pinto, R., Janasi, V.A., Tassinari, C.C.G., Carvalho, B.B., Cioffi, C.R., Stríkis, N.M.

Journal:

Journal of South American Earth Sciences

Year:

2015

Language:

english

File:

PDF, 7.24 MB

english, 2015

48

Sources of granite magmatism in the Embu Terrane (Ribeira Belt, Brazil): Neoproterozoic crust recycling constrained by elemental and isotope (Sr-Nd-Pb) geochemistry

Alves, Adriana, Janasi, Valdecir de Assis, da Costa Campos Neto, Mario

Journal:

Journal of South American Earth Sciences

Year:

2015

Language:

english

File:

PDF, 1.96 MB

english, 2015

49

The origin of felsic microgranitoid enclaves: Insights from plagioclase crystal size distributions and thermodynamic models

Alves, Adriana, de Souza Pereira, Giovanna, de Assis Janasi, Valdecir, Higgins, Michael, Polo, Liza Angelica, Juriaans, Orlando Stanley, Ribeiro, Bruno Vieira

Journal:

Year:

2015

Language:

english

File:

PDF, 1.28 MB

english, 2015

50

Timing and sources of granite magmatism in the Ribeira Belt, SE Brazil: insights from zircon in situ U-Pb dating and Hf isotope geochemistry in granites from the São Roque Domain

de Assis Janasi, Valdecir, Andrade, Sandra, Vasconcellos, Antonio Carlos B.C., Henrique-Pinto, Renato, Ulbrich, Horstpeter H.G.J.

Journal:

Journal of South American Earth Sciences

Year:

2015

Language:

english

File:

PDF, 4.14 MB

english, 2015

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