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Yellowstone National Park is an American national park located in Wyoming, Montana, and Idaho.
Geologic Sites

+20 Surreal Places In America You Have To Visit Before You...

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This image shows the divisions between Earth’s layers. The ancient, continent-sized rock regions encircle the liquid outer core. Credit: Lawrence Livermore National Laboratory
Earth

New study suggests gigantic masses in Earth’s mantle untouched for more...

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A tiny sample of goldschmidtite found inside a diamond by U of A PhD student Nicole Meyer. The newly discovered mineral has high concentrations of elements seldom found in Earth’s mantle, suggesting it formed under extreme conditions. Credit: Nicole Meyer
Mineral Researches

Student discovers unusual new mineral inside a diamond

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Illustration of the giant asteroid collision in outer space that produced the dust that led to an ice age on Earth. Credit: (c) Don Davis, Southwest Research Institute
Asteroid

Dust from a giant asteroid crash caused an ancient ice age

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Photographs of alkaline magmatic intrusions in Greenland. The region was volcanically and tectonically active around 1.2 billion years ago. Although no longer active, it is of major interest to geologists because the subsequent uplift and glacial erosion have cut deep into the rift and exposed the magma chambers that once lay well below the surface. Greenland’s magmas were sourced from a mantle that was enriched and contaminated by ancient crustal materials. Credit: University of St Andrews
Continents

Ancient volcanoes reveal Earth’s recycled crust

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The mineral olivine contains melt inclusions (black dots), just a few micrometers in size. The geochemists isolated these inclusions and investigated the isotopic composition with mass spectrometers. Credit: Münster University - Felix Genske
Earth

Geochemists measure new composition of Earth’s mantle

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An artist's interpretation of the asteroid impact that wiped out all non-avian dinosaurs. Credit: NASA/Don Davis.
Asteroid

Rocks at asteroid impact site record first day of dinosaur extinction

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Cryodrakon boreas. Credit David Maas
Fossils

New reptile species was one of largest ever flying animals

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Jurassic crocodile. Artist's impression (credit: Julia Beier)
Fossils

Jurassic crocodile identified 250 years after fossil find

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Origin of eukaryotes
Paleontology

Scientists identify rare evolutionary intermediates to understand the origin of eukaryotes

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