[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: More Than Meteor Killed the Dinos
The lowermost Deccan basalts are apparently magnetic normal [...]
So minimally the Deccan Traps began erupting a few hundreds of thousands
of years before the K/T boundary itself.
More importantly, the boundary layer (with the iridium spike and so on) is
somewhere in the middle of the lava flow sequence, not at the base. Dinosaur
fossils occur all the way to the boundary (in sediments between the basalt
layers) and no higher.