The Cretaceous/Tertiary boundary in Mexico
 
Free copies of the guidebook to the K/T boundary outcrops in Tamaulipas, NE Mexico are available.
Postage and handling costs apply.
Request your copy
I'm still looking for independent field evidence at the K/T boundary succession of Mexico that would directly link the extinction of planktonic foraminifera to the Chicxulub asteroid impact.
Click here for recent advances
Come back again!