dinosaur extinction; kt boundary; impact theory
gregladen | May 5, 2009Keller has been one of the leading voices opposing the impact KT boundary extinction hypothesis. According to a press release from her university, she has more on this matter.
Press Release:
Gerta Keller, whose studies of rock formations at many sites in the United States, Mexico and India have led her to conclude that volcanoes, not a vast meteorite, were the more likely culprits in the demise of the Earth's giant reptiles, is producing new data supporting her claim.
Keller, a Princeton professor of geosciences, and several co-authors lay out the case in a paper published April 27 in the…