Alkaline Rocks and Carbonatites of the World

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Barra Do Teixeira And Sete Quedas

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Occurrence number: 
025-00-102
Country: 
Brazil
Location: 
Longitude: -49.37, Latitude: -24.7

K-Ar on phonolite (whole rock) of Barra do Teixeira gave 72.9 Ma (Cordani and Hasui, 1968).

References: 
CORDANI, U.G. and HASUI, Y. 1968. Idades K-Ar de rochas alcalinas do primeiro planalto do estado do Parana. Anais Congresso Brasileiro de Geologia, 22: 149-53. TREIN, E., MARINI, O.J. and FUCK, R.A. 1967. Rochas alcalinas no primeiro planalto do Estado do Parana. Boletim Paranaense de Geociencias, 23 e 25: 325-45
Location: 
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith