All Images
News Release 09-031
Geologic Findings Undermine Theories of Permian Mass Extinction Timing
South Africa's Karoo Basin Shows No Indication of "Boundary Event Rock Bed"
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.
The Karoo Basin in South Africa holds the world's best record of the Permian Mass Extinction.
Credit: Robert Gastaldo, Colby College
Download the high-resolution JPG version of the image. (156 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
Scientist Sophie Newbury studies the "dead zone," a rock layer in Karoo Basin.
Credit: Robert Gastaldo, Colby College
Download the high-resolution JPG version of the image. (136 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.