Geology

Antarctica

A Path in the Snow

Experts identify focal points for Brazilian science on the frozen continent

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Geology

Why the earth shakes in Brazil

Seismologists propose a new explanation for earthquakes in Brazil

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OCEANOGRAPHY

Precious sea mud

Sediments reveal the climatic of environments that disappeared

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GEOLOGY

Evidence of a catastrophe

Sediments tell the story of a climate change that occurred 8,200 years ago

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Geosciences

The essence of rocks

A new electronic microprobe analyzes chemical elements in minerals

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GEOLOGY

Dance of the river basins

The São Francisco River Basin has lost area to the Doce River Basin

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Mining

Microbes that mine

Microorganisms can extract copper from ore

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Geology

Birth of a Continent

Laboratory helps reconstruct the geological history of South America

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Corporate research

Mining expansion

Vale invests in projects with a focus on mining and sustainable development

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Cover

Opening up the Earth

Physicists detail minerals deep inside the planet

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Borborema range

The origin of the mountain

Northeastern plain may have been formed around 30 million years ago

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Glaciation

The snowball was smaller

"Snowball Earth" hypothesis contested

Stone age

Rejuvenated rocks

Rocks in Central Brazil may be 200 million years older than thought

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Colonia crater

A detailed portrait of the Colonia crater

Detailed description of geological formation is put together

management

Racing on ice

How to product science that is more competitive in Antarctica

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 continental drift

The first fracture

Brazil’s Northeastern region almost became a part of Africa

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biochemistry

The great oxygenation event

Oxygen only started accumulating in the atmosphere 2.5 billion years ago

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Extreme events

A compass for tsunamis

Earth’s magnetic field may warn of arrival of giant waves

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Cover

… and South America emerged

Huge blocks of rock from different ages and origins formed the continent

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Cover

The magnetic history of Brazil

Magnetic field in South America is weakening, analysis points out

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Geology

The fragile crust of the Northeast

Thickness of surface explains constant earth tremors in the region

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Memory

A single land

Reinhard Maack found evidence of the origin of continents in Brazil 85 years ago

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Geochemistry

Pre-Columbian fertilizers

Ancient Indians contributed to the fertility of black soil

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Mineralogy

The past in grains of sand

Radioactive material allows to track the geological origin of the beaches

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Geology

Rocks along the way

Fifty-four new minerals have been found for the first time in Brazil

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Geology

Islands in the Savannah

"Blotches" in the cerrado emerged in ancient riverbeds in the Amazon

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Geology

Quaking earth

Recurrent earthquakes helped to shape the northeastern terrain

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Geology

Where mountains were born

Microscopic cracks in crystals help reconstruct the history of the Bocaina

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Geology

In the bowels of the Earth

Viscous masses of rock blend together and may escape as lava

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Geology

Hell on earth

Two billion years ago, volcanoes reigned where the Amazon Region lies today

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