Prior archaeological evidence suggests Thasos was ... from Greenland – had detected high levels of lead across much of the Northern Hemisphere during Roman times. But the new study adds a ...

Prior archaeological evidence suggests Thasos was ... from Greenland – had detected high levels of lead across much of the Northern Hemisphere during Roman times. But the new study adds a ...

Prior archaeological evidence suggests Thasos was one of the region’s most significant ... Previous research – including an analysis of ice cores from Greenland – had detected high levels of lead ...

This sediment core revealed lead traces dating back to around 5,200 years ago, predating the previously known earliest evidence of lead pollution by approximately 1,200 years ... The sediment cores ...

Prior archaeological evidence suggests Thasos was ... from Greenland - had detected high levels of lead across much of the Northern Hemisphere during Roman times. But the new study adds a more ...

about 1,200 years before the previously earliest known evidence of environmental contamination with the heavy metal that is traceable to human activity. "Because lead was released during the ...