Quantcast

Latest Banded iron formation Stories

Image 1 - Evidence For Iron-Rich Ancient Ocean Changes View Of Earth's Early History
2011-09-08 06:26:25

Discovery challenges previous models for environment in which early life evolved.

adeaf951f6bbe6549c353fecd738eb88
2009-10-12 07:45:00

The strikingly banded rocks scattered across the upper Midwest and elsewhere throughout the world are actually ambassadors from the past, offering clues to the environment of the early Earth more than 2 billion years ago.

b837b6eda290f2727002a1677d6e32d6
2009-04-08 15:11:47

The Earth's original atmosphere held very little oxygen. This began to change around 2.4 billion years ago when oxygen levels increased dramatically during what scientists call the "Great Oxidation Event."


Word of the Day
swell-mobsman
  • A member of the swell-mob; a genteelly clad pickpocket. Sometimes mobsman.
Use of the word 'swell-mobsman' dates at least to the early 1800s.