It took another decade of evidence gathering, including the documentation
of an impact crater off the Yucatán Peninsula, for the impact theory to win acceptance, he notes.
Last year, her research team delivered the coup de grâce: evidence
of an impact crater off the northwest coast of Australia, hidden beneath two miles of sediment on the ocean floor.
Not exact matches
«I don't believe the evidence
of a
crater off Madagascar, and the impetus is on Abbott to prove it,» says Jay Melosh, an
impact expert at the University
of Arizona and an outspoken critic
of the theory.
In 1990, geologists found the
crater from this disaster
off the north coast
of the Yucatan peninsula, validating the
impact theory for most
of the scientific world.
This month, from a drilling platform in the Gulf
of Mexico, scientists will try to sink a diamond - tipped bit into the heart
of Chicxulub
crater — the buried remnant
of the asteroid
impact 66 million years ago that killed
off the dinosaurs and most other life on Earth.