That field — only about 1 percent of the strength of Earth’s magnetic field — has probably been active for as many as 3.9 billion ... So iron sulfide at the top Mercury’s core could ...

New work demonstrates that the creation of most minerals containing mercury is fundamentally linked to several episodes of supercontinent assembly over the last 3 billion years. Mineral evolution ...

I will not argue Arneson’s contention of sulfide effects on wild rice and methyl mercury. What I will argue ... tax benefits of mining an estimated $3 trillion in copper, nickel and precious ...

New studies show Mercury's massive iron core is even bigger than expected, with a previously unknown solid layer of iron-sulfide buried beneath the mantle. SLIDE SHOW: MESSENGER: First Photos from ...

"And while increasing sulfate concentrations have direct implications for ecosystems, they can also have indirect impacts, including changing how mercury is transformed within wetlands." ...