| Reference Type | Journal (article/letter/editorial) |
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| Title | A Review of the Mineral Chemistry and Crystallization Conditions of Ediacaran–Cambrian A-Type Granites in the Central Subprovince of the Borborema Province, Northeastern Brazil |
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| Journal | Minerals |
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| Authors | Lima, Jefferson Valdemiro | Author |
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| Guimarães, Ignez de Pinho | Author |
| Amorim, José Victor Antunes | Author |
| Brainer, Caio Cezar Garnier | Author |
| Santos, Lucilene | Author |
| Silva Filho, Adejardo Francisco | Author |
| Year | 2024 | Volume | < 14 > |
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| Issue | < 10 > |
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| URL | |
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| DOI | doi:10.3390/min14101022Search in ResearchGate |
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| Generate Citation Formats |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 17642600 | Long-form Identifier | mindat:1:5:17642600:4 |
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| GUID | 0 |
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| Full Reference | Lima, Jefferson Valdemiro, Guimarães, Ignez de Pinho, Amorim, José Victor Antunes, Brainer, Caio Cezar Garnier, Santos, Lucilene, Silva Filho, Adejardo Francisco (2024) A Review of the Mineral Chemistry and Crystallization Conditions of Ediacaran–Cambrian A-Type Granites in the Central Subprovince of the Borborema Province, Northeastern Brazil. Minerals, 14 (10). doi:10.3390/min14101022 |
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| Plain Text | Lima, Jefferson Valdemiro, Guimarães, Ignez de Pinho, Amorim, José Victor Antunes, Brainer, Caio Cezar Garnier, Santos, Lucilene, Silva Filho, Adejardo Francisco (2024) A Review of the Mineral Chemistry and Crystallization Conditions of Ediacaran–Cambrian A-Type Granites in the Central Subprovince of the Borborema Province, Northeastern Brazil. Minerals, 14 (10). doi:10.3390/min14101022 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | Ediacaran–Cambrian magmatism in the Central Subprovince (Borborema Province, NE Brazil) generated abundant A-type granites. This study reviews published whole-rock and mineral chemistry data from thirteen Ediacaran–Cambrian A-type intrusions and a related dike swarm. It also presents new mineral chemistry and whole-rock data for one of these intrusions, along with zircon trace element data for five of the intrusions. Geochronological data from the literature indicate the formation of these A-type intrusions during a 55 Myr interval (580–525 Ma), succeeding the post-collisional high-K magmatism in the region at c. 590–580 Ma. The studied plutons intruded Paleoproterozoic basement gneisses or Neoproterozoic supracrustal rocks. They are ferroan, metaluminous to peraluminous and mostly alkalic–calcic. The crystallization parameters show pressure estimates mainly from 4 to 7 kbar, corresponding to crustal depths of 12 to 21 km, and temperatures ranging from 1160 to 650 °C in granitoids containing mafic enclaves, and from 990 to 680 °C in those lacking or containing only rare mafic enclaves. The presence of Fe-rich mineral assemblages including ilmenite indicates that the A-type granites crystallized under low ƒO2 conditions. Zircon trace element analyses suggest post-magmatic hydrothermal processes, interpreted to be associated with shear zone reactivation. Whole-rock geochemical characteristics, the chemistry of the Fe-rich mafic mineral assemblages, and zircon trace elements in the studied granitoids share important similarities with A2-type granites worldwide. |
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| Locality | Mineral(s) |
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| Açude do Caroá Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Amphibole Supergroup, ⓘ Biotite, ⓘ Epidote, ⓘ Ferro-ferri-hornblende, ⓘ Ferro-hornblende, ⓘ Ferro-pargasite, ⓘ Granodiorite, ⓘ Hastingsite, ⓘ K Feldspar, ⓘ Monzodiorite, ⓘ Orthogneiss, ⓘ Plagioclase, ⓘ Potassic-ferro-pargasite, ⓘ Potassic-hastingsite, ⓘ Quartz, ⓘ Quartz-diorite, ⓘ Titanite |
| Aroeiras Complex, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Allanite Group, ⓘ Apatite, ⓘ Biotite, ⓘ Calcium Amphibole Subgroup, ⓘ Diorite, ⓘ Hornblende, ⓘ Ilmenite, ⓘ Metasedimentary rock, ⓘ Migmatite, ⓘ Monzogranite, ⓘ Orthogneiss, ⓘ Quartz, ⓘ Syenogranite, ⓘ Titanite, ⓘ Zircon |
| Boqueirão Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Amphibole Supergroup, ⓘ Biotite, ⓘ Biotite Monzogranite, ⓘ Calcium Amphibole Subgroup, ⓘ Diorite, ⓘ Epidote, ⓘ Ferro-pargasite, ⓘ Granodiorite, ⓘ Hastingsite, ⓘ Hornblende, ⓘ K Feldspar, ⓘ Orthogneiss, ⓘ Plagioclase, ⓘ Potassic-ferro-pargasite, ⓘ Potassic-hastingsite, ⓘ Quartz, ⓘ Syenogranite, ⓘ Titanite |
| Bravo Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Allanite Group, ⓘ Amphibole Supergroup, ⓘ Apatite, ⓘ Aplite, ⓘ Biotite, ⓘ Diorite, ⓘ Feldspar Group, ⓘ Ferro-pargasite, ⓘ Granodiorite, ⓘ Hastingsite, ⓘ K Feldspar, ⓘ Monzogranite, ⓘ Potassic-ferro-pargasite, ⓘ Potassic-hastingsite, ⓘ Quartz, ⓘ Syenogranite, ⓘ Titanite, ⓘ Zircon |
| Marinho Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Allanite Group, ⓘ Amphibole Supergroup, ⓘ Apatite, ⓘ Biotite, ⓘ Chlorite Group, ⓘ Feldspar Group, ⓘ Ferro-ferri-hornblende, ⓘ Ferro-hornblende, ⓘ Granitoid, ⓘ Metasedimentary rock, ⓘ Microcline, ⓘ Monzogranite, ⓘ Orthoclase, ⓘ Orthogneiss, ⓘ Plagioclase, ⓘ Potassic-ferro-ferri-sadanagaite, ⓘ Quartz, ⓘ Syenogranite, ⓘ Titanite, ⓘ Zircon |
| Prata Complex, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Allanite Group, ⓘ Amphibole Supergroup, ⓘ Apatite, ⓘ Augite, ⓘ Biotite, ⓘ Calcium Amphibole Subgroup, ⓘ Diorite, ⓘ Dolerite, ⓘ Epidote, ⓘ Feldspar Group, ⓘ Ferro-ferri-hornblende, ⓘ Ferro-hornblende, ⓘ Ferro-pargasite, ⓘ Gneiss, ⓘ Granitoid, ⓘ Hastingsite, ⓘ Hornblende, ⓘ Hypersthene, ⓘ K Feldspar, ⓘ Microcline, ⓘ Migmatite, ⓘ Plagioclase, ⓘ Potassic-ferro-pargasite, ⓘ Potassic-hastingsite, ⓘ Quartz, ⓘ Rhyolite, ⓘ Syenogranite, ⓘ Titanite, ⓘ Zircon |
| Queimadas Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Allanite Group, ⓘ Amphibole Supergroup, ⓘ Apatite, ⓘ Biotite, ⓘ Ferro-ferri-hornblende, ⓘ Ferro-hornblende, ⓘ Ferro-pargasite, ⓘ Gneiss, ⓘ Granitoid, ⓘ Granodiorite, ⓘ Hastingsite, ⓘ Ilmenite, ⓘ Leucogranite, ⓘ Migmatite, ⓘ Monazite Group, ⓘ Plagioclase, ⓘ Porphyritic Monzogranite, ⓘ Potassic-ferro-pargasite, ⓘ Potassic-hastingsite, ⓘ Quartz, ⓘ Zircon |
| Serra Branca Suite, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Alkali Feldspar, ⓘ Allanite Group, ⓘ Apatite, ⓘ Biotite, ⓘ Biotite granite, ⓘ Calcium Amphibole Subgroup, ⓘ Gneiss, ⓘ Granitoid, ⓘ Hornblende, ⓘ Ilmenite, ⓘ Microcline, ⓘ Migmatite, ⓘ Monzogranite, ⓘ Orthoclase, ⓘ Plagioclase, ⓘ Quartz, ⓘ Syenogranite, ⓘ Zircon |
| Serra da Engabelada Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Biotite, ⓘ Gabbro, ⓘ Norite, ⓘ Orthogneiss, ⓘ Rhyolite, ⓘ Syenogranite |
| Serra do Pereiro Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Amphibole Supergroup, ⓘ Biotite, ⓘ Biotite Monzogranite, ⓘ Calcium Amphibole Subgroup, ⓘ Diorite, ⓘ Epidote, ⓘ Granodiorite, ⓘ Hornblende, ⓘ K Feldspar, ⓘ Plagioclase, ⓘ Quartz, ⓘ Syenite, ⓘ Titanite |
| Serra do Velho Zuza Pluton, Alto Moxotó Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Amphibole Supergroup, ⓘ Biotite, ⓘ Biotite Monzogranite, ⓘ Calcium Amphibole Subgroup, ⓘ Diorite, ⓘ Epidote, ⓘ Granodiorite, ⓘ Hornblende, ⓘ K Feldspar, ⓘ Orthogneiss, ⓘ Plagioclase, ⓘ Quartz, ⓘ Syenogranite, ⓘ Titanite, ⓘ Zircon |
| Pilõezinhos Pluton, Alto Pajeú Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Allanite Group, ⓘ Amphibole Supergroup, ⓘ Biotite, ⓘ Ferro-pargasite, ⓘ Granitoid, ⓘ Hastingsite, ⓘ Ilmenite, ⓘ Metasedimentary rock, ⓘ Microcline, ⓘ Monzogranite, ⓘ Orthogneiss, ⓘ Plagioclase, ⓘ Potassic-ferro-pargasite, ⓘ Potassic-hastingsite, ⓘ Quartz, ⓘ Syenogranite, ⓘ Titanite, ⓘ Zircon |
| Serrote Santo Antonio Pluton, Alto Pajeu Domain, Central Borborema Subprovince, Borborema Province, South America Plate | ⓘ Biotite, ⓘ Syenogranite |
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