Jacupiranga carbonatites (sövites), intruding the clinopyroxenite body, show variable textural and mineralogical features. They are coarse- to medium-grained (grain size between 0.3 and 7 mm) and sometime banded. The main mineral assemblage of Jacupiranga carbonatites include calcite, dolomite, apatite (5 to 35%) and magnetite; olivine, phlogopite, ilmenite, pyrochlore are accessory phases. Apatite is the most important accessory phase and make Jacupiranga one of the most significant Brazilian carbonatite-hosted phosphate ores.
• Alva-Valdivia, Luis M., et al. "Rock magnetism and microscopy of the Jacupiranga alkaline-carbonatitic complex, southern Brazil." Earth, planets and space 61.1 (2009): 161-171.
• Beccaluva, Luigi, et al. "The alkaline-carbonatite complex of Jacupiranga (Brazil): magma genesis and mode of emplacement." Gondwana Research 44 (2017): 157-177.
• Chmyz, Luanna, et al. "Ar-Ar ages, Sr-Nd isotope geochemistry, and implications for the origin of the silicate rocks of the Jacupiranga ultramafic-alkaline complex Brazil)." Journal of South American Earth Sciences 77 (2017): 286-309.
• Salvioli-Mariani, E., et al. "Late veins of C3 carbonatite intrusion from Jacupiranga complex (Southern Brazil): fluid and melt inclusions and mineralogy." Mineralogy and Petrology 104.1-2 (2012): 95-114.
Photo
![jacupiranga2019(9).jpg](/immagini/pluto/piccole/jacupiranga2019(9).jpg)
Calcite and apatite (colorless, high relief) crystals. Sövite from Jacupiranga, Brazil. PPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(10).jpg](/immagini/pluto/piccole/jacupiranga2019(10).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(15).jpg](/immagini/pluto/piccole/jacupiranga2019(15).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(19).jpg](/immagini/pluto/piccole/jacupiranga2019(19).jpg)
Calcite and apatite (colorless, high relief) crystals. Sövite from Jacupiranga, Brazil. PPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(20).jpg](/immagini/pluto/piccole/jacupiranga2019(20).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(21).jpg](/immagini/pluto/piccole/jacupiranga2019(21).jpg)
Calcite and apatite (colorless, high relief) crystals. Sövite from Jacupiranga, Brazil. PPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(22).jpg](/immagini/pluto/piccole/jacupiranga2019(22).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(23).jpg](/immagini/pluto/piccole/jacupiranga2019(23).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(24).jpg](/immagini/pluto/piccole/jacupiranga2019(24).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
Calcite, phlogopite (high birefringence) and olivine (yellow-green birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm)
![jacupiranga2019(35).jpg](/immagini/pluto/piccole/jacupiranga2019(35).jpg)
Calcite, phlogopite (brown) and olivine (with reaction corona) crystals. Sövite from Jacupiranga, Brazil. PPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(36).jpg](/immagini/pluto/piccole/jacupiranga2019(36).jpg)
Calcite, phlogopite (high birefringence) and olivine (yellow-green birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(33).jpg](/immagini/pluto/piccole/jacupiranga2019(33).jpg)
Calcite, phlogopite (brown) and olivine (with reaction corona) crystals. Sövite from Jacupiranga, Brazil. PPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(60).jpg](/immagini/pluto/piccole/jacupiranga2019(60).jpg)
Calcite and olivine (with reaction corona) crystals. Sövite from Jacupiranga, Brazil. PPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(61).jpg](/immagini/pluto/piccole/jacupiranga2019(61).jpg)
Calcite and olivine (violet birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(62).jpg](/immagini/pluto/piccole/jacupiranga2019(62).jpg)
Calcite and olivine (with reaction corona) crystals. Sövite from Jacupiranga, Brazil. PPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(63).jpg](/immagini/pluto/piccole/jacupiranga2019(63).jpg)
Calcite and olivine (blue birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(64).jpg](/immagini/pluto/piccole/jacupiranga2019(64).jpg)
Calcite and olivine (blue birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(66).jpg](/immagini/pluto/piccole/jacupiranga2019(66).jpg)
Calcite and olivine (with reaction corona) crystals. Sövite from Jacupiranga, Brazil. PPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(67).jpg](/immagini/pluto/piccole/jacupiranga2019(67).jpg)
Calcite, apatite (grey birefringence) and olivine (yellow birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(70).jpg](/immagini/pluto/piccole/jacupiranga2019(70).jpg)
Calcite, apatite (colorless) and olivine crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(71).jpg](/immagini/pluto/piccole/jacupiranga2019(71).jpg)
Calcite, apatite (grey birefringence) and olivine (blue birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(74).jpg](/immagini/pluto/piccole/jacupiranga2019(74).jpg)
Calcite, apatite (colorless) and olivine crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
>
![jacupiranga2019(75).jpg](/immagini/pluto/piccole/jacupiranga2019(75).jpg)
Calcite, apatite (grey birefringence) and olivine (blue-violet birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(77).jpg](/immagini/pluto/piccole/jacupiranga2019(77).jpg)
Calcite, apatite (grey birefringence) and olivine (blue-yellow birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 2x (Field of view = 7mm) |
![jacupiranga2019(39).jpg](/immagini/pluto/piccole/jacupiranga2019(39).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(42).jpg](/immagini/pluto/piccole/jacupiranga2019(42).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(44).jpg](/immagini/pluto/piccole/jacupiranga2019(44).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(45).jpg](/immagini/pluto/piccole/jacupiranga2019(45).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(49).jpg](/immagini/pluto/piccole/jacupiranga2019(49).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(50).jpg](/immagini/pluto/piccole/jacupiranga2019(50).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(51).jpg](/immagini/pluto/piccole/jacupiranga2019(51).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(52).jpg](/immagini/pluto/piccole/jacupiranga2019(52).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(53).jpg](/immagini/pluto/piccole/jacupiranga2019(53).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(54).jpg](/immagini/pluto/piccole/jacupiranga2019(54).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(57).jpg](/immagini/pluto/piccole/jacupiranga2019(57).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(59).jpg](/immagini/pluto/piccole/jacupiranga2019(59).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(81).jpg](/immagini/pluto/piccole/jacupiranga2019(81).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(85).jpg](/immagini/pluto/piccole/jacupiranga2019(85).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(86).jpg](/immagini/pluto/piccole/jacupiranga2019(86).jpg)
Calcite and apatite (grey birefringence) crystals. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(2).jpg](/immagini/pluto/piccole/jacupiranga2019(2).jpg)
Calcite with dolomite exsolution (the small blebs). Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(3).jpg](/immagini/pluto/piccole/jacupiranga2019(3).jpg)
Calcite with dolomite exsolution (the small blebs). Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(4).jpg](/immagini/pluto/piccole/jacupiranga2019(4).jpg)
Calcite with dolomite exsolution (the small blebs). Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(5).jpg](/immagini/pluto/piccole/jacupiranga2019(5).jpg)
Calcite with dolomite exsolution (the small blebs). Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |
![jacupiranga2019(32).jpg](/immagini/pluto/piccole/jacupiranga2019(32).jpg)
Twinning planes in calcite crystal. Sövite from Jacupiranga, Brazil. XPL image, 10x (Field of view = 2mm) |