Island basalts hold answers to volcanic rocks journey

Island basalts hold answers to volcanic rocks journey

The journey for volcanic rocks found on many volcanic islands began deep within the Earth. Brought to the Earth's surface in eruptions of deep volcanic material, these rocks hold clues as to what is going on deep beneath Earth's surface. A group of current…

Antarctica and North America were connected more than a billion years ago

Antarctica and North America were connected more than a billion years ago

An international team of scientists found that the combination of lead isotopes in rocks peeking out of the Antarctic ice is the same as in rocks from a rift that cuts across the United States. Remote Antarctic rocks hold strong new evidence that parts of Antarctica