Mercury is a toxic heavy metal that can exist stably as a gas, with high volatility and global distribution in the atmosphere. Volcanoes represent a primary natural source of Hg in the atmosphere, ...

A Pennsylvania grandmother was found dead last December after falling into a 30-foot deep sinkhole that opened into a long-abandoned coal mine. Elizabeth Pollard, from Unity Township, had been looking ...

Much of our understanding about the earthquakes, volcanic eruptions and floods that shaped the geology of the Pacific Northwest comes from Western scientists. But those records almost always overlook ...

A new international study published in Earth and Planetary Science Letters reveals that the boundaries between geological epochs and periods, even though randomly distributed, follow a hidden, ...

Geological events that completely reshaped continents while early humans were apparently just napping ...

What are some events that all of us have had in our lives? Ask the class "What are some events that all of us have had in our lives?" Make a list of 5 or 6 things on the board. Let’s organize these!

The continental volcanism, oceanic volcanism and mid-ocean ridge volcanism emit Hg to the atmosphere and ocean. Mercury in atmosphere deposit to aquatic and terrestrial systems via wet or dry ...