A South American scientist says Alabama holds evidence of a “dinosaur-killing asteroid” that hit the Earth some 66 million years ago causing a “mega earthquake” that shook the plant for weeks or months.
Colombian geologist Hermann Bermudez will present his evidence for the effect of what is called the Chicxulub Mega-Earthquake at the Geological Society of America meeting in Denver next week. He collected supporting data in Texas, Alabama and Mississippi.
Bermudez found sediment filled with small glass beads and shards on Colombia’s Gorgonlla Island, according to a report in Forbes. The beads were formed in the Earth’s shattered crust after the impact that formed a crater more than 120 miles wide in the Yucatan Peninsula. The beads first existed as melted “blobs” that fell back to Earth as glass beads.
Evidence of that earthquake includes faults and cracks found in Alabama in and other two states, the Forbes report said. Also in Alabama are “outcrops” of the mass extinction boundary, scientists say. The Chicxulub impact is the most famous and impactful asteroid strike in Earth’s history.
Bermudez will speak about his team’s research Sunday and Monday at the Denver conference. More on the evidence and theory is here.
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