Revision History
- Not dated
- On the page tectonics.html, the Chinese province struck by an earthquake in 1976 was changed from Haicheng to Hebei.
- March 4, 1999 -- version 1.01
- On the page cove.html, the box on the image showing Dinosaur Cove was moved westward to more accurately portray its location.
- May 5, 1999 -- version 1.02
- Some changes were made to the layout in general. No changes were made to the content.
- May 6, 1999 -- version 1.03
- On the page cove.html, on the image, the words printed on Antarctica were changed to read "Antarctica 108 million years
ago" instead of "present day."
- June 24, 1999 -- version 1.04
- On the page exploring.html, the location of Great Barrier Reef was stated as being off the northwestern coast of Australia
instead of the northeastern coast.
- July 7, 1999 -- version 1.05
- On the page Thingvellir.html, the caption was amended to state that the North American plate is to the right, not the left.
- December 13, 1999 -- version 1.06
- On the page polar.html, the name "ellito" was changed to "ellioti" and "Gondwanaland" was changed to "Gondwana."
- March 28, 2000 -- version 1.07
- On the page Endnotes.html, the authors' biographies were updated.
- January 29, 2001 -- version 1.08
- On the page cove.html, the dates for positions of Australia and Antarctica have been revised from 108 to 104 million years ago.
- February 24, 2003 -- version 1.09
- On the page Thingvellir.html, the caption has been amended for reasons of historical accuracy.
- September 29, 2003 -- version 1.10
- On the page hotspots.html, a link was added to http://www.mantleplumes.org for further reading on the topic.
- January 20, 2007 -- version 1.11
- On the page tectonics.html, the wording was amended to reflect that Northridge is a community within Los Angeles.
- March 27, 2007 -- version 1.12
- On the page historical.html, Jurassic was changed from "135 million years ago" to "150 million years ago" in the figure showing the supercontinent Pangaea.
- November 25, 2008 -- version 1.13
- On the page slabs.html, The edges of the graphic have been modified slightly.
- January 13, 2009 -- version 1.14
- On the page historical.html, Professor of Geology Alexander
Du Toit taught at Witwatersrand University, not the University of Johannesburg, as previously stated.
URL: http://pubs.usgs.gov/gip/dynamic/revision.html
Last updated: 01.13.09
Contact: jmwatson@usgs.gov