Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.
Applied Bio SDS

Site Tools

  • AAAS
  • Subscribe
  • Feedback

Site Search

Search Advanced

Science 8 December 1995:
Vol. 270. no. 5242, pp. 1567 - 1568
DOI: 10.1126/science.270.5242.1567
Prev | Table of Contents | Next

News

Richard A. Kerr

Geologists have been mystified by the wanderings of North America during a crucial period 500 million years ago, when many of the life forms known today were evolving. Now a chunk of crust in western Argentina is turning out to be North America's calling card. Dropped off in western South America nearly 500 million years ago, it pins down the errant North America to within a few thousand kilometers of South America's west coast.




ADVERTISEMENT
Click Me!

ADVERTISEMENT
Click Me!

To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)