Iron Quadrangle, Mining region in Minas Gerais, Brazil.
The Iron Quadrangle is a mining region in Minas Gerais containing extensive deposits of iron ore, gold, and other minerals within ancient rock formations. The landscape is marked by historic mining towns and natural rock formations that reveal why this area has long been important for mineral extraction.
Portuguese colonizers began mining operations here in the late 1600s, attracting substantial numbers of European settlers and African laborers. The resulting wealth led to the founding of many towns and shaped regional development for centuries to come.
The colonial towns in this region display baroque churches and buildings shaped by centuries of mining wealth. Walking through them reveals how mineral extraction defined the character and layout of these settlements.
Belo Horizonte serves as the main gateway to the region, with regular bus services connecting to the historic mining towns and geological sites. It helps to book tours with knowledgeable guides to understand both the mining heritage and the geology of the landscape.
This region contains Paleoproterozoic Banded Iron Formations recognized as one of 100 geological heritage sites worldwide by the International Union of Geological Sciences. These ancient rock layers reveal how our planet changed billions of years ago.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
