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Sulfur isotopes within iron sulfide inclusions in volcanic rocks, like this one from Iceland, demonstrate that sulfur derived from the Earth's ancient atmosphere was preserved within the mantle for at least 2.54 billion years before coming back to the surface in eruptions at Mangaia volcano, South Pacific Ocean (Rita A. Cabral et al)

Sulfur Isotopes Reveal Deep Mantle Storage of Earth’s Ancient Crust

Apr 26, 2013 by Natali Anderson

Researchers have found evidence that material contained in young oceanic lava flows originated at the Earth’s surface in the Archean era, more than 2...

This photo shows gold - quartz extensional veins. Typical complex of veins that records episodes of fluid flow due to successive fault failures (S. F. Cox / Australian National University)

Researchers Find Link Between Earthquakes and Gold Deposits

Mar 21, 2013 by Natali Anderson

Australian scientists have discovered a clear link between seismic activity and the precipitation of gold and other trace elements in earthquake fault...

Mineral molybdenite from New South Wales (Karelj)

Mineral Molybdenite Tells About Chemistry of Early Earth

Mar 5, 2013 by Natali Anderson

New research on a mineral called molybdenite published in the journal Earth and Planetary Science Letters provides new insights about the changing chemistry...

This image shows a 2 m-high chimney at a depth of ~1200 m, emanating hydrothermal fluid visible as shimmering water (Aquilina A et al)

British Researchers Find Odd, Cold Volcanic Vent in Antarctic Waters

Feb 12, 2013 by Natali Anderson

A group of researchers from the National Oceanography Center in Southampton has discovered a strange new deep-sea volcanic vent at Hook Ridge near the...

Macauley volcano (National Oceanography Center & National Institute of Water and Atmospheric Research)

Tangaroan, New Type of Volcanic Eruption

Jan 24, 2013 by Natali Anderson

An international team of researchers from the UK and New Zealand has discovered a previously undocumented type of eruption in underwater volcanoes. Macauley...

This is a panoramic view of Hanauma Bay, a marine embayment located along the Oahu's southeast coast (Cristo Vlahos / CC BY-SA 3.0)

Scientists: Hawaiian Islands are Dissolving

Jan 3, 2013 by Natali Anderson

Oahu – the third largest of the Hawaiian Islands – will be reduced to nothing more than a flat island, someday, according to a research led...

Sunset at Grand Canyon (Tobias Alt / CC BY-SA 3.0)

Grand Canyon at least 70 Million Years Old

Nov 30, 2012 by Natali Anderson

The combined uranium/thorium/helium dating of minerals from the bottom of the Grand Canyon in Arizona, the United States, indicates it was largely carved...

Rare Fossil Points to Toxic Oceans in Devonian Period

Nov 16, 2012 by Natali Anderson

A well-preserved crab-like fossil that was found by scientists from Curtin University, Australia, has provided evidence of a toxic ocean environment in...