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Jocão pegmatite (Cigana claim), Conselheiro Pena, Minas Gerais, Brazil

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Latitude & Longitude (WGS84): 19° 4' 36'' South , 41° 29' 44'' West
Latitude & Longitude (decimal): -19.07667,-41.49556
Köppen climate type:Aw : Tropical savanna, wet
Name(s) in local language(s):Lavra da Cigana, lavra do Jocão


Aimorés pegmatite district, Eastern Brazilian pegmatite province
Granite pegmatite known for its phosphates.
Formerly known as Jocão Mine.

Located within Conselheiro Pena county, not Galiléia county, as erroneously indicated on many labels (Luiz Menezes information, see: http://www.mindat.org/mesg-11-183004.html)

Note on the mineral list: All the "reddingites" from here are correianevesites (see http://www.mindat.org/mesg-25-290977.html).


Mineral List


54 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neoproterozoic
541 - 1000 Ma



ID: 1383569
Neoproterozoic plutonic rocks

Age: Neoproterozoic (541 - 1000 Ma)

Comments: Deep-seated to high-level intrusions are included. Many charnockites, anorthosites, and large ophiolites, classified as plutons, are distinguished in the database using the SIGNIF item. Ophiolites were classified as plutons, even where remnants may be extrusive and/or sedimentary.

Lithology: Plutonic rocks

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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Mineralogical Record 36:3, 293.
Field Trip Guide, Eastern Brazilian Pegmatite Province, 4th International Symposium on Granitic Pegmatites, 2009.
Frost, R.L., Xi, Y., Scholz, R., Belotti, F.M. & Lagoeiro. L. E. (2012): Chemistry, Raman and infrared spectroscopic characterization of the phosphate mineral reddingite: (MnFe)3(PO4)2(H2O,OH)3, a mineral found in lithium-bearing pegmatite. Physics and Chemistry of Minerals 39, 803-810.
Baijot, M., Hatert, F., Dal Rio, F. & Philipo, S. (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. Canadian Mineralogist 52, 373-397.
Chukanov, N.V., Scholz, R., Zubkova, N.V., Pekov, I.V., Belakovskiy, D.I., Van, K.V., Lagoeiro, L., Graça, L.M., Krambrock, K., de Oliveira, L.C.A., Menezes Filho, L.A.D., Sa Carneiro Chaves, M.L., Pushcharovsky, D.Y. (2014): Correianevesite, Fe2+Mn2+2(PO4)2·3H2O, a new reddingite-group mineral from the Cigana mine, Conselheiro Pena, Minas Gerais, Brazil. American Mineralogist, 99, 811-816

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