Rhyacian magmatic arc rocks with sanukitoid geochemical signature from the Juiz de Fora Complex, Minas-Bahia Orogenic System (SE-Brazil)

Mauri, Sandro; Heilbron, Monica; Bruno, Henrique; Marques, Rodson de Abreu; Neto, Carla; Valeriano, Cláudio de Morisson; Bersan, Samuel; Romero, Luiz Felipe; Geraldes, Mauro Cesar

doi:10.1590/2317-4889202220220038

Sandro Mauri ^** Corresponding author.

conceptualization

formal analysis

investigation

writing – original draft

Programa de Pós-graduação em Geociências, Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: sandromauriferreira@gmail.com, netocarla2@gmail.com, romerolipe@gmail.com

https://orcid.org/0000-0002-6147-1370

Monica Heilbron

conceptualization

funding acquisition

supervision

writing – review & editing

Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: monica.heilbron@gmail.com, henrique.bruno1602@gmail.com, mauro.geraldes@gmail.com, valeriano.claudio@gmail.com, samuelbersan@gmail.com

https://orcid.org/0000-0002-3521-9251

Henrique Bruno

conceptualization

supervision

writing – review & editing

Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: monica.heilbron@gmail.com, henrique.bruno1602@gmail.com, mauro.geraldes@gmail.com, valeriano.claudio@gmail.com, samuelbersan@gmail.com

https://orcid.org/0000-0003-3863-6576

Rodson de Abreu Marques

supervision

writing – review & editing

Departamento de Geologia, Universidade Federal de Ouro Preto – Ouro Preto (MG), Brazil. E-mail: rodsonabreu@gmail.com

https://orcid.org/0000-0003-3839-305X

Carla Neto

formal analysis

Programa de Pós-graduação em Geociências, Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: sandromauriferreira@gmail.com, netocarla2@gmail.com, romerolipe@gmail.com

https://orcid.org/0000-0002-6594-952X

Cláudio de Morisson Valeriano

supervision of isotope analysis

validation

writing – review

Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: monica.heilbron@gmail.com, henrique.bruno1602@gmail.com, mauro.geraldes@gmail.com, valeriano.claudio@gmail.com, samuelbersan@gmail.com

https://orcid.org/0000-0002-9341-2615

Samuel Bersan

validation

visualization

writing – review

Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: monica.heilbron@gmail.com, henrique.bruno1602@gmail.com, mauro.geraldes@gmail.com, valeriano.claudio@gmail.com, samuelbersan@gmail.com

https://orcid.org/0000-0002-0464-8563

Luiz Felipe Romero

formal analysis

Programa de Pós-graduação em Geociências, Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: sandromauriferreira@gmail.com, netocarla2@gmail.com, romerolipe@gmail.com

https://orcid.org/0000-0001-6564-9327

Mauro Cesar Geraldes

formal analysis

Faculdade de Geologia, Universidade do Estado do Rio de Janeiro – Rio de Janeiro (RJ), Brazil. E-mails: monica.heilbron@gmail.com, henrique.bruno1602@gmail.com, mauro.geraldes@gmail.com, valeriano.claudio@gmail.com, samuelbersan@gmail.com

https://orcid.org/0000-0003-2914-2814

* Corresponding author.

Competing interests: the authors declare no competing interests.

Figure 1. Tectonic framework of the São Francisco Paleocontinent: (A) Geological compartments of Brazil (modified from **Heilbron et al. 2017Heilbron M., Ribeiro A., Valeriano C.M., Paciullo F.V.P., Almeida J.C.H., Trouw R.A.J., Tupinamba M., Silva L.G.E. 2017. The Ribeira belt. In: Heilbron M., Cordani U.G., Alkmim F.F. (eds.), São Francisco Craton, Eastern Brazil: Tectonic Genealogy of a Miniature Continent. Switzerland, Springer, p. 277-304. https://doi.org/10.1007/978-3-319-01715-0
https://doi.org/10.1007/978-3-319-01715-... ) and (B) Archean blocks and Paleoproterozoic magmatic arcs of the Minas-Bahia Orogenic System in the São Francisco Paleocontinent (modified from Alkmim and Teixeira 2017Alkmim F.F., Teixeira W. 2017. The Paleoproterozoic Mineiro Belt and the Quadrilátero Ferrífero. In: Heilbron M., Cordani U., Alkmim F.F. (eds.). São Francisco Craton, Eastern Brazil: Tectonic Genealogy of a Miniature Continent. Springer, v. 1, p. 71-94. https://doi.org/10.1007/978-3-319-01715-0_5
https://doi.org/10.1007/978-3-319-01715-... , Barbosa and Barbosa 2017Barbosa J.S.F., Barbosa R.G. 2017. The Paleoproterozoic Eastern Bahia orogenic domain. In: Heilbron M., Cordani U.G., Alkmim F. (eds.). The São Francisco Craton, Eastern Brazil: Tectônic Genealogy of a Miniature Continent. Springer, v. 1, p. 57-70. https://doi.org/10.1007/978-3-319-01715-0_4
https://doi.org/10.1007/978-3-319-01715-... , Degler et al. 2018Degler R., Pedrosa-Soares A., Novo T., Tedeschi M., Silva L.C., Dussin I., Lana C. 2018. Rhyacian-Orosirian isotopic records from the basement of the Araçuaí-Ribeira orogenic system (SE Brazil): links in the Congo-São Francisco paleocontinent. Precambrian Research, 317:179-195. https://doi.org/10.1016/j.precamres.2018.08.018
https://doi.org/10.1016/j.precamres.2018... , Bersan et al. 2020Bersan S.M., Costa A.F.O., Danderfer A., Abreu F.R., Lana C., Queiroga G., Storey C., Moreira H. 2020. Paleoproterozoic juvenile magmatism within the northeastern sector of the São Francisco paleocontinent: insights from the shoshonitic high Ba–Sr Montezuma granitoids. Geosciences Frontiers, 11(5):1821-1840. https://doi.org/10.1016/j.gsf.2020.01.017
https://doi.org/10.1016/j.gsf.2020.01.01... , Bruno et al. 2021b**Bruno H., Heilbron M., Valeriano C.M., Strachan R., Fowler M., Bersan S., Moreira H., Motta R., Almeida J., Almeida R., Carvalho M., Storey C. 2021b. Evidence for a complex accretionary history preceding the amalgamation of Columbia: the Rhyacian Minas-Bahia Orogen, southern São Francisco Paleocontinent, Brazil. Gondwana Research, 92:149-171. https://doi.org/10.1016/j.gr.2020.12.019
https://doi.org/10.1016/j.gr.2020.12.019... ).

Source: Seixas et al. (2013)Seixas L.A.R., Bardintzeff J.M., Stevenson R., Bonin B. 2013. Petrology of the high-Mg tonalites and dioritic enclaves of the ca. 2130 Ma Alto Maranhão suite: evidence for a major juvenile crustal addition event during the Rhyacian orogenesis, Mineiro Belt, Southeast Brazil. Precambrian Research, 238:18-41. https://doi.org/10.1016/j.precamres.2013.09.015
https://doi.org/10.1016/j.precamres.2013... , Moreira et al. (2018)Moreira H., Seixas L., Storey C., Fowler M., Lasalle S., Stevenson R., Lana C. 2018. Evolution of Siderian juvenile crust to Rhyacian high Ba-Sr magmatism in the Mineiro Belt, southern São Francisco Craton. Geosciences Frontiers, 9(4):977-995. https://doi.org/10.1016/j.gsf.2018.01.009
https://doi.org/10.1016/j.gsf.2018.01.00... , Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007
https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118
https://doi.org/10.1016/j.precamres.2021... ), Bruno et al. (2020Bruno H., Elizeu V., Heilbron M., Valeriano C.M., Strachan R., Fowler M., Bersan S., Moreira H., Dussin I., Silva L.G.E., Tupinambá M., Almeida J.C.H., Neto C., Storey C. 2020. Neoarchean and Rhyacian TTG-Sanukitoid suites in the Southern São Francisco Paleocontinent, Brazil: evidence for diachronous change towards modern tectonics. Geosciences Frontiers, 11(5):1763-1787. https://doi.org/10.1016/j.gsf.2020.01.015
https://doi.org/10.1016/j.gsf.2020.01.01... , 2021bBruno H., Heilbron M., Valeriano C.M., Strachan R., Fowler M., Bersan S., Moreira H., Motta R., Almeida J., Almeida R., Carvalho M., Storey C. 2021b. Evidence for a complex accretionary history preceding the amalgamation of Columbia: the Rhyacian Minas-Bahia Orogen, southern São Francisco Paleocontinent, Brazil. Gondwana Research, 92:149-171. https://doi.org/10.1016/j.gr.2020.12.019
https://doi.org/10.1016/j.gr.2020.12.019... ), and Almeida et al. (2022).

Sample	Lithotype	Tectonic classification	Method	Age (Ma)			References
Sample	Lithotype	Tectonic classification	Method	Inherited	Magmatic	Metamorphic	References
5B	Felsic granulite	-	TIMS	-	2134	579	*Machado et al. (1996)*Machado N., Valladares C.S., Heilbron M., Valeriano C.M. 1996. U-Pb geochronology of the central Ribeira Belt (Brazil) and implications for the evolution of the Brazilian Orogeny. Precambrian Research, 79(3-4):347-361. https://doi.org/10.1016/0301-9268(95)00103-4 https://doi.org/10.1016/0301-9268(95)001...
LC-17	Enderbitic granulite	-	SHRIMP	-	2985 ± 17	808 ± 360	*Silva et al. (2002)*Silva L.C., Armstrong R., Noce C.M., Carneiro M.A., Pimentel M.M., Pedrosa-Soares A.C., Leite C.A., Vieira V.S., Silva M.A., Paes V.J.C., Cardoso-Filho J.M. 2002. Reavaliação da evolução geológica em terrenos pré-cambrianos brasileiros com base em novos dados U-Pb SHRIMP, parte II: Orógeno Araçuaí, Cinturão Mineiro e Cráton São Francisco Meridional. Revista Brasileira de Geociências, 32(4):513-528.
LC-17	Enderbitic granulite	-	SHRIMP	-	2985 ± 17	2856 ± 10	*Silva et al. (2002)*Silva L.C., Armstrong R., Noce C.M., Carneiro M.A., Pimentel M.M., Pedrosa-Soares A.C., Leite C.A., Vieira V.S., Silva M.A., Paes V.J.C., Cardoso-Filho J.M. 2002. Reavaliação da evolução geológica em terrenos pré-cambrianos brasileiros com base em novos dados U-Pb SHRIMP, parte II: Orógeno Araçuaí, Cinturão Mineiro e Cráton São Francisco Meridional. Revista Brasileira de Geociências, 32(4):513-528.
LC-32	Charnokitic granulite	-	SHRIMP	-	2195 ± 15	587 ± 9	*Silva et al. (2002)*Silva L.C., Armstrong R., Noce C.M., Carneiro M.A., Pimentel M.M., Pedrosa-Soares A.C., Leite C.A., Vieira V.S., Silva M.A., Paes V.J.C., Cardoso-Filho J.M. 2002. Reavaliação da evolução geológica em terrenos pré-cambrianos brasileiros com base em novos dados U-Pb SHRIMP, parte II: Orógeno Araçuaí, Cinturão Mineiro e Cráton São Francisco Meridional. Revista Brasileira de Geociências, 32(4):513-528.
1070	Mafic granulite	E-MORB	LA-MC-ICP-MS		2427 ± 9	654 ± 12	*Heilbron et al. (2010)*Heilbron M., Duarte B.P., Valeriano C.M., Simonetti A., Machado N., Nogueira J.R. 2010. Evolution of reworked Paleoproterozoic basement rocks within the Ribeira belt (Neoproterozoic), SE-Brazil, based on U-Pb geochronology: implications for paleogeographic reconstructions of the São Francisco-Congo paleocontinent. Precambrian Research, 178(1-4):136-148. https://doi.org/10.1016/j.precamres.2010.02.002 https://doi.org/10.1016/j.precamres.2010...
1076	Enderbitic granulite	-	LA-MC-ICP-MS		1966 ± 38	587 ± 15	*Heilbron et al. (2010)*Heilbron M., Duarte B.P., Valeriano C.M., Simonetti A., Machado N., Nogueira J.R. 2010. Evolution of reworked Paleoproterozoic basement rocks within the Ribeira belt (Neoproterozoic), SE-Brazil, based on U-Pb geochronology: implications for paleogeographic reconstructions of the São Francisco-Congo paleocontinent. Precambrian Research, 178(1-4):136-148. https://doi.org/10.1016/j.precamres.2010.02.002 https://doi.org/10.1016/j.precamres.2010...
1065	Charnokitic granulite	-	LA-MC-ICP-MS		2199 ± 17	633 ± 140	*Heilbron et al. (2010)*Heilbron M., Duarte B.P., Valeriano C.M., Simonetti A., Machado N., Nogueira J.R. 2010. Evolution of reworked Paleoproterozoic basement rocks within the Ribeira belt (Neoproterozoic), SE-Brazil, based on U-Pb geochronology: implications for paleogeographic reconstructions of the São Francisco-Congo paleocontinent. Precambrian Research, 178(1-4):136-148. https://doi.org/10.1016/j.precamres.2010.02.002 https://doi.org/10.1016/j.precamres.2010...
CJE-44	Mafic granulite	-	LA-MC-ICP-MS		1765 ± 34	586 ± 14	*Heilbron et al. (2010)*Heilbron M., Duarte B.P., Valeriano C.M., Simonetti A., Machado N., Nogueira J.R. 2010. Evolution of reworked Paleoproterozoic basement rocks within the Ribeira belt (Neoproterozoic), SE-Brazil, based on U-Pb geochronology: implications for paleogeographic reconstructions of the São Francisco-Congo paleocontinent. Precambrian Research, 178(1-4):136-148. https://doi.org/10.1016/j.precamres.2010.02.002 https://doi.org/10.1016/j.precamres.2010...
1062	Charno-enderbitic granulite	-	LA-MC-ICP-MS		1656 ± 69	590 ± 5	*Heilbron et al. (2010)*Heilbron M., Duarte B.P., Valeriano C.M., Simonetti A., Machado N., Nogueira J.R. 2010. Evolution of reworked Paleoproterozoic basement rocks within the Ribeira belt (Neoproterozoic), SE-Brazil, based on U-Pb geochronology: implications for paleogeographic reconstructions of the São Francisco-Congo paleocontinent. Precambrian Research, 178(1-4):136-148. https://doi.org/10.1016/j.precamres.2010.02.002 https://doi.org/10.1016/j.precamres.2010...
LC-66	Norite	-	SHRIMP		2119 ± 16	579 ± 5	*Noce et al. (2007)*Noce C.M., Pedrosa-Soares A.C., Silva L.C., Armstrong R., Piuzana D. 2007. Evolution of polycyclic basement complexes in the Araçuaí Orogen, based on U–Pb SHRIMP data: implication for Brazil-Africa links in Paleoproterozoic time. Precambrian Research, 159(1-2):60-78. https://doi.org/10.1016/j.precamres.2007.06.001 https://doi.org/10.1016/j.precamres.2007...
UB-1	Enderbite	-	SHRIMP		2084 ± 13	594 ± 37	*Noce et al. (2007)*Noce C.M., Pedrosa-Soares A.C., Silva L.C., Armstrong R., Piuzana D. 2007. Evolution of polycyclic basement complexes in the Araçuaí Orogen, based on U–Pb SHRIMP data: implication for Brazil-Africa links in Paleoproterozoic time. Precambrian Research, 159(1-2):60-78. https://doi.org/10.1016/j.precamres.2007.06.001 https://doi.org/10.1016/j.precamres.2007...
IV-48	Granodioritic orthogneiss	-	SHRIMP		2107 ± 71	580 ± 19	*Degler et al. (2018)*Degler R., Pedrosa-Soares A., Novo T., Tedeschi M., Silva L.C., Dussin I., Lana C. 2018. Rhyacian-Orosirian isotopic records from the basement of the Araçuaí-Ribeira orogenic system (SE Brazil): links in the Congo-São Francisco paleocontinent. Precambrian Research, 317:179-195. https://doi.org/10.1016/j.precamres.2018.08.018 https://doi.org/10.1016/j.precamres.2018...
M-03	Tonalitic orthogneiss	-	LA-MC-ICP-MS		2110 ± 12	-	*Degler et al. (2018)*Degler R., Pedrosa-Soares A., Novo T., Tedeschi M., Silva L.C., Dussin I., Lana C. 2018. Rhyacian-Orosirian isotopic records from the basement of the Araçuaí-Ribeira orogenic system (SE Brazil): links in the Congo-São Francisco paleocontinent. Precambrian Research, 317:179-195. https://doi.org/10.1016/j.precamres.2018.08.018 https://doi.org/10.1016/j.precamres.2018...
LC-07	Tonalitic orthogneiss	-	SHRIMP		2122 ± 11	565 ± 7	*Degler et al. (2018)*Degler R., Pedrosa-Soares A., Novo T., Tedeschi M., Silva L.C., Dussin I., Lana C. 2018. Rhyacian-Orosirian isotopic records from the basement of the Araçuaí-Ribeira orogenic system (SE Brazil): links in the Congo-São Francisco paleocontinent. Precambrian Research, 317:179-195. https://doi.org/10.1016/j.precamres.2018.08.018 https://doi.org/10.1016/j.precamres.2018...
RC-101	Enderbitic orthogneiss	-	SHRIMP		2144 ± 13	-	*Degler et al. (2018)*Degler R., Pedrosa-Soares A., Novo T., Tedeschi M., Silva L.C., Dussin I., Lana C. 2018. Rhyacian-Orosirian isotopic records from the basement of the Araçuaí-Ribeira orogenic system (SE Brazil): links in the Congo-São Francisco paleocontinent. Precambrian Research, 317:179-195. https://doi.org/10.1016/j.precamres.2018.08.018 https://doi.org/10.1016/j.precamres.2018...
RC-103	Enderbitic orthogneiss	-	SHRIMP		2143 ± 21	-	*Degler et al. (2018)*Degler R., Pedrosa-Soares A., Novo T., Tedeschi M., Silva L.C., Dussin I., Lana C. 2018. Rhyacian-Orosirian isotopic records from the basement of the Araçuaí-Ribeira orogenic system (SE Brazil): links in the Congo-São Francisco paleocontinent. Precambrian Research, 317:179-195. https://doi.org/10.1016/j.precamres.2018.08.018 https://doi.org/10.1016/j.precamres.2018...
VA-LM-07B	Enderbitic granulite	Low-K tholeiite	SHRIMP	-	2446 ± 10	-	Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007 https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118 https://doi.org/10.1016/j.precamres.2021... )
RP-LM-04	Charnokitic granulite	Sanukitoid	SHRIMP	-	2182 ± 13	561 ± 41	Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007 https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118 https://doi.org/10.1016/j.precamres.2021... )
RP-LM-04	Charnokitic granulite	Sanukitoid	SHRIMP		2182 ± 13	2021 ± 29	Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007 https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118 https://doi.org/10.1016/j.precamres.2021... )
BP-LM-13	Charno-enderbitic granulite	Sanukitoid	SHRIMP	-	2200 ± 7	-	Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007 https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118 https://doi.org/10.1016/j.precamres.2021... )
BP-LM-12	Charno-enderbitic granulite	TTG	SHRIMP	2364 ± 16	2197 ± 13	588 ± 18	Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007 https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118 https://doi.org/10.1016/j.precamres.2021... )
BP-CM-151	Mafic orthogranulite	Tholeiite	LA-MC-ICP-MS	2395 ± 19	2134 ± 43	544 ± 19	Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007 https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118 https://doi.org/10.1016/j.precamres.2021... )
RB13A	Charnokite	-	LA-MC-ICP-MS	-	2039 ± 22	589 ± 6	*Kuribara et al. (2019)*Kuribara Y., Tsunogae T., Santosh M., Takamura Y., Costa A., Rosière C. 2019. Eoarchean to Neoproterozoic crustal evolutioI the Mantiqueira and the Juiz de Fora Complexes, SE Brazil: petrology, geochemistry, zircon U-Pb geochronology and Lu-Hf isotopes. Precambrian Research, 323:82-101. https://doi.org/10.1016/j.precamres.2019.01.008 https://doi.org/10.1016/j.precamres.2019...
MAJF26	Enderbitic orthogranulite	TTG	LA-ICP-MS	2380 ± 19	2085 ± 24	591 ± 10	Almeida et al. (2022)
CTVC 8D	Mafic orthogranulite	IAT	LA-ICP-MS	-	2101 ± 12	-	Almeida et al. (2022)
ADVC 241A	Enderbitic orthogranulite	Sanukitoid	LA-ICP-MS	-	2067 ± 6	-	Almeida et al. (2022)
SJVC 72A	Mafic orthogranulite	E-MORB	LA-ICP-MS	-	2038 ± 5	512 ± 11	Almeida et al. (2022)
MRVC 23A	Charnokitic orthogranulite	Hybrid granitoid	LA-ICP-MS	-	2019 ± 16	636 ± 39	Almeida et al. (2022)
MAJF 14	Charno-enderbitic granulite	Hybrid granitoid	LA-ICP-MS	2730 ± 19	1982 ± 18	600 ± 41	Almeida et al. (2022)
CPR-03	Granulitic orthogneiss	-	LA-MC-ICP-MS	-	2209 ± 22	596 ± 20	*Faria et al. (2022)*Faria T.G., Alves M.I., Potratz G.L., Silva L.F., Rodrigues S.W.O., Martins M.V.A., Geraldes M.C. 2022. The Serra do Caparaó Complex, Mantiqueira Province, Brazil, revisited: metamorphic age constraints by U-Pb and Lu-Hf method in zircon by LA-ICP-MS. Journal of the Geological Survey of Brazil, 5(1):49-80. https://doi.org/10.29396/jgsb.2022.v5.n1.1 https://doi.org/10.29396/jgsb.2022.v5.n1...
CPR-04	Granulitic orthogneiss	-	LA-MC-ICP-MS	-	2199 ± 21	603 ± 20	*Faria et al. (2022)*Faria T.G., Alves M.I., Potratz G.L., Silva L.F., Rodrigues S.W.O., Martins M.V.A., Geraldes M.C. 2022. The Serra do Caparaó Complex, Mantiqueira Province, Brazil, revisited: metamorphic age constraints by U-Pb and Lu-Hf method in zircon by LA-ICP-MS. Journal of the Geological Survey of Brazil, 5(1):49-80. https://doi.org/10.29396/jgsb.2022.v5.n1.1 https://doi.org/10.29396/jgsb.2022.v5.n1...
CPR-08	Granulitic orthogneiss	-	LA-MC-ICP-MS	-	2104 ± 16	622 ± 46	*Faria et al. (2022)*Faria T.G., Alves M.I., Potratz G.L., Silva L.F., Rodrigues S.W.O., Martins M.V.A., Geraldes M.C. 2022. The Serra do Caparaó Complex, Mantiqueira Province, Brazil, revisited: metamorphic age constraints by U-Pb and Lu-Hf method in zircon by LA-ICP-MS. Journal of the Geological Survey of Brazil, 5(1):49-80. https://doi.org/10.29396/jgsb.2022.v5.n1.1 https://doi.org/10.29396/jgsb.2022.v5.n1...
CPR-10	Granulitic orthogneiss	-	LA-MC-ICP-MS	-	2196 ± 14	633 ± 22	*Faria et al. (2022)*Faria T.G., Alves M.I., Potratz G.L., Silva L.F., Rodrigues S.W.O., Martins M.V.A., Geraldes M.C. 2022. The Serra do Caparaó Complex, Mantiqueira Province, Brazil, revisited: metamorphic age constraints by U-Pb and Lu-Hf method in zircon by LA-ICP-MS. Journal of the Geological Survey of Brazil, 5(1):49-80. https://doi.org/10.29396/jgsb.2022.v5.n1.1 https://doi.org/10.29396/jgsb.2022.v5.n1...
CPR-13	Migmatitic orthogneiss	-	LA-MC-ICP-MS	-	2176 ± 26	600 ± 18	*Faria et al. (2022)*Faria T.G., Alves M.I., Potratz G.L., Silva L.F., Rodrigues S.W.O., Martins M.V.A., Geraldes M.C. 2022. The Serra do Caparaó Complex, Mantiqueira Province, Brazil, revisited: metamorphic age constraints by U-Pb and Lu-Hf method in zircon by LA-ICP-MS. Journal of the Geological Survey of Brazil, 5(1):49-80. https://doi.org/10.29396/jgsb.2022.v5.n1.1 https://doi.org/10.29396/jgsb.2022.v5.n1...
CPR-18	Migmatitic orthogneiss	-	LA-MC-ICP-MS	-	2160 ± 39	584 ± 29	*Faria et al. (2022)*Faria T.G., Alves M.I., Potratz G.L., Silva L.F., Rodrigues S.W.O., Martins M.V.A., Geraldes M.C. 2022. The Serra do Caparaó Complex, Mantiqueira Province, Brazil, revisited: metamorphic age constraints by U-Pb and Lu-Hf method in zircon by LA-ICP-MS. Journal of the Geological Survey of Brazil, 5(1):49-80. https://doi.org/10.29396/jgsb.2022.v5.n1.1 https://doi.org/10.29396/jgsb.2022.v5.n1...
CPR-20	Migmatitic orthogneiss	-	LA-MC-ICP-MS	-	2121 ± 18	596 ± 16	*Faria et al. (2022)*Faria T.G., Alves M.I., Potratz G.L., Silva L.F., Rodrigues S.W.O., Martins M.V.A., Geraldes M.C. 2022. The Serra do Caparaó Complex, Mantiqueira Province, Brazil, revisited: metamorphic age constraints by U-Pb and Lu-Hf method in zircon by LA-ICP-MS. Journal of the Geological Survey of Brazil, 5(1):49-80. https://doi.org/10.29396/jgsb.2022.v5.n1.1 https://doi.org/10.29396/jgsb.2022.v5.n1...

Sample	Domain	Age (Ma)	Th/U	Interpretation
CA-14	Core	2176 ± 7	0.15-1.22	Crystallization age
CA-14	Rimm	581 ± 12	0.19-0.61	Metamorphism age
CA-17	Core	2175 ± 12	0.25-1.02	Crystallization age
CA-17	Rimm	605 ± 26	0.45-1.85	Metamorphism age

Sample	CA-02	CA-14	CA-17	CA-22
Sm_ID	5.6	7.5	4.5	10.2
Nd_ID	28.0	35.5	25.7	54.2
*Rb^ * Values from lithogeochemical data.**	39.0	28.0	157.0	71.0
*Sr^ * Values from lithogeochemical data.**	624.0	542.0	414.0	377.0
¹⁴³Nd/¹⁴⁴Nd_(m)	0.511355	0.511573	0.511377	0.511444
Std. Err. Abs (2s)	0.000006	0.000004	0.000003	0.000006
¹⁴⁷Sm/¹⁴⁴Nd_(m)	0.1215	0.1268	0.1070	0.1132
⁸⁷Sr/⁸⁶Sr_(m)	0.716290	0.718424	0.728180	0.725007
Std. Err. Abs (2s)	0.000010	0.000011	0.000004	0.000005
Age (Ma)	2.18	2.18	2.18	2.18
f_Sm/Nd (0 Ma)	-0.38	-0.35	-0.46	-0.42
ε_Nd (t)	-4.0	-1.2	0.5	0.0
ε_Nd (0 Ma)	-25.0	-20.8	-24.6	-23.3
T_CHUR (± 0.05 Ga)	2.60	2.32	2.14	2.18
T_DM (± 0.05 Ga)	2.59	2.31	2.13	2.17
⁸⁷Sr/⁸⁶Sr_(i)	0.7106	0.7137	0.6937	0.7079

	Sanukitic Serie¹ 1 Shirey and Hanson (1984); ,² 2 Stern et al. (1989); ,³ 3 Stern e Hanson (1991);	Archean Sanukitoids⁴ 4 Martin et al. (2010); (n = 104)	Archean Sanukitoids of Karelian Province⁵ 5 Heilimo et al. (2010); (n = 161)	Paleoproterozoic sanukitoids of the Aravalli craton, India⁶ 6 Raza et al. (2021). (n = 20)	Modern arc granitoids⁴ 4 Martin et al. (2010); (n = 250)	Sanukitoids from northern Juiz de Fora Complex (This work)
		Archean Sanukitoids⁴ 4 Martin et al. (2010); (n = 104)			Modern arc granitoids⁴ 4 Martin et al. (2010); (n = 250)	Average (n = 7)	CA-11	CA-14	CA-02	CA-22	CA-23	CA-04	CA-17
SiO₂	55-73	58.65	55-70	62.01	68.1	62.52	58.41	59.78	60.62	63.50	64.56	64.99	65.79
MgO	5.2-9.17	3.90	1.5-9	1.44	1.55	2.77	2.89	3.48	3.45	2.60	2.98	2.05	1.91
K₂O	0.5-4	3.11	1.5-5	5.40	3.4	2.83	3.42	1.69	2.24	2.42	1.72	4.12	4.18
Ba	> 1,000	1,471	706-1613	1,174	715	954.43	1368	509	1197	648	489	1389	1081
Sr	> 500	1,108	513-941	213	316	477.57	455	542	624	377	449	482	414
Cr	≤ 150	104	6-184	16.7	23	67.14	40.0	110.0	90.0	70.0	50.0	50.0	60.0
Ni	90-205	54	8-85	12.6	10.5	35	< 20	50.0	< 20	< 20	< 20	< 20	20.0
Mg#	0.43-0.62	0.53	45-65	0.33	0.41	0.47	43.69	46.07	46.78	43.81	54.02	46.26	46.00
Na₂O/K₂O	~3	1.38	0.5-3	0.39	1.08	1.18	0.99	2.34	1.53	1.31	1.90	0.71	0.76
Ba+Sr	> 1,500	> 1,466*	> 1,400	1387	1,031	1432	1,823	1,051	1,821	1,025	938	1,871	1,495
(La/Yb)_N	-	30.5	14-47	14.95	6.4	12.66	13.7	13.44	9.55	12.18	13.72	15.15	10.85
Rb/Sr	0.01-0.16	0.08	0.10-0.13	0.69	0.35	0.17	0.18	0.05	0.06	0.17	0.16	0.24	0.38

Unit	Lithotypes	Age (Ma)	εNd _(t)	T_DM (Ga) (± 0.05)	References
Juiz de Fora Complex	Granodioritic granulites	2176 to 2175	-4.0 to + 0.5	2.57 to 2.12	This work
	Charno-enderbitic granulite	2200 to 2180	-4.8 to -2.9	2.62 to 2.46	Araújo et al. (2019Araújo L.E.A.B., Heilbron M., Valeriano C.M., Teixeira W., Aguiar Neto C.C. 2019. Lithogeochemical and Nd-Sr isotope data of the orthogranulites of the Juiz de Fora Complex, SE-Brazil: insights from a hidden Rhyacian Orogen within the Ribeira belt. Brazilian Journal of Geology, 49(3):e20190007. https://doi.org/10.1590/2317-4889201920190007 https://doi.org/10.1590/2317-48892019201... , 2021Araújo L.E.A.B., Heilbron M., Teixeira W., Dussin I.A., Valeriano C.M., Bruno H., Sato K., Paravidini G., Castro M. 2021. Siderian to Rhyacian evolution of the Juiz de Fora Complex: arc fingerprints and correlations within the Minas-Bahia Orogen and the Western Central Africa Belt. Precambrian Research, 359:106118. https://doi.org/10.1016/j.precamres.2021.106118 https://doi.org/10.1016/j.precamres.2021... )
	Enderbitic orthogranulite	2068	-11.0	3.05	Almeida et al. (2022)
Mantiqueira Complex	Hbl-Bt orthogneiss	2168	-9.7	3.18	*Bruno et al. (2020)*Bruno H., Elizeu V., Heilbron M., Valeriano C.M., Strachan R., Fowler M., Bersan S., Moreira H., Dussin I., Silva L.G.E., Tupinambá M., Almeida J.C.H., Neto C., Storey C. 2020. Neoarchean and Rhyacian TTG-Sanukitoid suites in the Southern São Francisco Paleocontinent, Brazil: evidence for diachronous change towards modern tectonics. Geosciences Frontiers, 11(5):1763-1787. https://doi.org/10.1016/j.gsf.2020.01.015 https://doi.org/10.1016/j.gsf.2020.01.01...
Mineiro Belt	Tonalite	2130	-0.8 to + 0.9	2.40 to 2.30	*Seixas et al. (2013)*Seixas L.A.R., Bardintzeff J.M., Stevenson R., Bonin B. 2013. Petrology of the high-Mg tonalites and dioritic enclaves of the ca. 2130 Ma Alto Maranhão suite: evidence for a major juvenile crustal addition event during the Rhyacian orogenesis, Mineiro Belt, Southeast Brazil. Precambrian Research, 238:18-41. https://doi.org/10.1016/j.precamres.2013.09.015 https://doi.org/10.1016/j.precamres.2013...
	Bt-Hbl tonalites	2149 to 2135	-	-	*Moreira et al. (2018)*Moreira H., Seixas L., Storey C., Fowler M., Lasalle S., Stevenson R., Lana C. 2018. Evolution of Siderian juvenile crust to Rhyacian high Ba-Sr magmatism in the Mineiro Belt, southern São Francisco Craton. Geosciences Frontiers, 9(4):977-995. https://doi.org/10.1016/j.gsf.2018.01.009 https://doi.org/10.1016/j.gsf.2018.01.00...
	Granodioritic Hbl-Bt orthogneiss	2152 to 2114	-5.0 to + 1.3	2.64 to 2.21	Bruno et al. (2021b)Bruno H., Heilbron M., Valeriano C.M., Strachan R., Fowler M., Bersan S., Moreira H., Motta R., Almeida J., Almeida R., Carvalho M., Storey C. 2021b. Evidence for a complex accretionary history preceding the amalgamation of Columbia: the Rhyacian Minas-Bahia Orogen, southern São Francisco Paleocontinent, Brazil. Gondwana Research, 92:149-171. https://doi.org/10.1016/j.gr.2020.12.019 https://doi.org/10.1016/j.gr.2020.12.019...

[1] * Corresponding author.

Brasil

Brasil

Rhyacian magmatic arc rocks with sanukitoid geochemical signature from the Juiz de Fora Complex, Minas-Bahia Orogenic System (SE-Brazil)

Abstract