Zobrazeno 1 - 1
of 1
pro vyhledávání: '"LEONARDO M. ROSENSTENGEL"'
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 86, Iss 1, Pp 187-198 (2014)
The Entre Rios mining district produces a large volume of amethyst geodes in underground mines and is part of the world class deposits in the Paraná volcanic province of South America. Two producing basalt flows are numbered 4 and 5 in the lava stra
Externí odkaz:
https://doaj.org/article/13dc5010252042a8bb33ea11716b6dbe
