Whole-rock geochemical and isotopic compilation of Ediacaran–Cambrian granitoids from the Rio Grande do Norte Domain, Borborema Province (NE Brazil)

Creator(s):
Tavares, Caio de Freitas; ORCID: 0000-0002-2523-0182
Avelino de Macêdo Filho, Antomat; ORCID: 0000-0003-3150-756
Leite do Nascimento, Marcos Antonio; ORCID: 0000-0002-8158-7186
Campos Batista Rocha, Christian; ORCID: 0009-0001-6240-7127
Abstract:
This collection compiles whole-rock geochemical and isotopic data from Ediacaran–Cambrian magmatic suites of the Rio Grande do Norte Domain (Borborema Province, NE Brazil). The dataset integrates newly generated and legacy data (Rb–Sr, Sm–Nd, major and trace elements) systematically compiled from published and unpublished sources. All isotopic ratios were recalculated to common reference ages using consistent decay constants and CHUR parameters to ensure internal comparability. The collection includes standardized sample metadata (coordinates, lithology, tectonic setting, magmatic suite classification), analytical metadata, and calculated parameters such as εNd(t), TDM model ages, and elemental ratios. This dataset provides a comprehensive isotopic and geochemical framework for post-collisional magmatism in the Rio Grande do Norte Domain of Borborema Province and is intended to support regional tectonic interpretations, petrogenetic modeling, and global comparative studies of Western Gondwana magmatism.
How to cite this dataset:
Tavares, C. D. F., Avelino de Macêdo Filho, A., Leite do Nascimento, M. A., Campos Batista Rocha, C., 2026. Whole-rock geochemical and isotopic compilation of Ediacaran–Cambrian granitoids from the Rio Grande do Norte Domain, Borborema Province (NE Brazil), Version 1.0. Interdisciplinary Earth Data Alliance (IEDA). https://doi.org/10.60520/IEDA/114405. Accessed 2026-03-30.
DOI Creation Date:
2026-03-25
Related
Publication(s):
Macedo Filho, A.A., Oliveira, A.L., Mansur, E.T., Janasi, V.A., Melo, A.C.C., Lima, F.G.F., Ávila, C.F., Tavazzani, L., Dantas, A.R., (2025), “Geochemistry, geochronology, and tectonic aspects of the Angicos plutonism: Insights into equigranular high-K calc-alkaline magmatism in the northern Borborema Province.” Lithos, 502–503: 108007;

Hollanda, M.H.B.M., Pimentel, M.M., Jardim de Sá, E.F., (2003), “Paleoproterozoic subduction-related metasomatic signatures in the lithospheric mantle beneath NE Brazil: Inferences from trace element and Sr–Nd–Pb isotopic compositions of Neoproterozoic high-K igneous rocks.” Journal of South American Earth Sciences, 15(8): 885–900;

Souza, Z.S., Kalsbeek, F., Deng, X.-D., Frei, R., Kokfelt, T.F., Dantas, E.L., Li, J.-W., Pimentel, M.M., Galindo, A.C., (2016), “Generation of continental crust in the northern part of the Borborema Province, northeastern Brazil, from Archaean to Neoproterozoic.” Journal of South American Earth Sciences, 68: 68–96;

Long, L.E., Ketcham, D.H., Fanning, C.M., Sial, A.N., (2019), “The unregenerate São Rafael pluton, Borborema Province, Northeastern Brazil.” Lithos, 332–333: 192–206; Nascimento, M.A.L., Galindo, A.C., Medeiros, V.C., (2015), “Ediacaran to Cambrian magmatic suites in the Rio Grande do Norte domain, extreme Northeastern Borborema Province (NE Brazil): Current knowledge.” Journal of South American Earth Sciences, 58: 281–299;

Antunes, A.F., Galindo, A.C., Alves da Silva, F.C., Jardim de Sá, E.J., (2000), “Magmatismo granítico de afinidade subalcalina/monzonítica no Maciço de São José de Campestre, Província da Borborema (NE do Brasil): O exemplo do Plúton Monte das Gameleiras.” Geochimica Brasiliensis, 14(1): 51–69;

Medeiros, V.C., Cavalcante, R., Fernandes, P.R., Silveira, F.V., Dantas, E.L., Rodrigues, J.B., Cunha, I., Paes, V.J.C., Santos, L.D., Pinho, I.C.A., (2019), “Jardim do Seridó Suite: first example of Ediacaran peraluminous magmatism in the Rio Piranhas-Seridó Domain, Borborema Province, Northeast Brazil.” Journal of the Geological Survey of Brazil, 2(2);

McReath, I., Galindo, A.C., Dall’Agnol, R., (2002), “The Umarizal igneous association, Borborema Province, NE Brazil: implications for the genesis of A-type granites.” Gondwana Research, 5: 339–353.
License:
Creative Commons Attribution 4.0 International [CC-BY-4.0]
Keyword(s):
Coverage Scope: Regional (Continents, Oceans)
Geographic Location: Borborema Province, Rio Grande do Norte Domain, Seridó Fold Belt, Brazil
User Contributed Keyword(s):
granitoids, post-collisional magmatism, whole-rock geochemistry, isotope geochemistry, Rb-Sr isotopes, Sm-Nd isotopes, U-Pb geochronology, magmatic evolution, fractional crystallization, partial melting, petrogenesis, Neoproterozoic magmatism
Bounding Coordinates:
North: -5.5     South: -7.5     East: -35.33     West: -37.33
Data Available On:
2026-03-27
Resource Type:
Collection
Download File(s)
File Name
File Size
File Checksum
4405-1_DRN_Whole_rock_geochemical_isotopic_compilation.xls
674 KB

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