Qualla: Araçuaí River

Araçuaí River: Introduction

Thu, 16 Apr 2026 00:00:00 GMT

Follow the water long enough and it will tell you what the land is made of. The Araçuaí River runs 319.2 kilometers through the northeast of Minas Gerais, from its rise in the Senador Modestino Gonçalves district to its confluence with the Jequitinhonha near the town that shares its name. Along the way it passes over some of the richest pegmatite deposits on Earth - aquamarine, tourmaline, emerald, topaz - gemstone country so renowned that towns along the banks were named for the stones they yielded. Turmalina. Berilo. The river has carried fortunes out of these valleys for three centuries. It has carried almost none of them back.

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Araçuaí River: The Paulista Prospectors

Thu, 16 Apr 2026 00:00:00 GMT

The valley became a destination in the early eighteenth century, when the bandeirantes - paulista adventurers pushing inland from the coast - discovered gold. Sebastião Leme do Prado located veins in the region of Minas Novas, and the rush was on. Settlements sprang up at river j...

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Araçuaí River: The Stones Beneath the Water

Thu, 16 Apr 2026 00:00:00 GMT

But gold was not the only treasure locked in these hills. The Araçuaí Valley sits within one of four districts in northeast Minas Gerais that contain the largest pegmatite source in Brazil - coarse-grained igneous rock that grows enormous crystals over millions of years. Aquamari...

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Araçuaí River: The Flood of 1928

Thu, 16 Apr 2026 00:00:00 GMT

The river does not only give. In 1928 it took. Severe flooding swept through the valley that year, drowning most of the buildings and mansions lining the banks. Mud and water erased what ranchers and merchants had spent decades building. A few monuments survived the torrent - the...

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Araçuaí River: Fish and Fauna

Thu, 16 Apr 2026 00:00:00 GMT

Scientists have been cataloging the river's creatures since at least 1874, when Steindachnerina elegans was documented in its waters. A survey of the Jequitinhonha basin identified nineteen fish species using the Araçuaí and its tributaries - an arcane list of armored catfish and...

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Araçuaí River: Modern Water, Modern Power

Thu, 16 Apr 2026 00:00:00 GMT

The river is now a working system. In 1990 two generators were installed at the Santa Rita Dam for 75 megawatts of hydroelectric capacity - modest by Brazilian standards, meaningful here. Starting in November 2002, a water management program backed by the World Bank began extendi...

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