Were there or are there volcanoes in Brazil?
In 2002 the oldest volcano in the world was discovered! It is approximately 1.9 billion years old, do you know where it is?
The Oldest Volcano in the World
So, there aren't and never were volcanoes in Brazil? The answer is that there has already been a volcano here in Brazil, including the oldest volcano in the world is located here.
A very interesting piece of information that is worth noting is that the intense volcanic activity in this area resulted in deposits of precious minerals such as gold.
Volcanoes in Brazil