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August 10, 2022, 11:10:53 PM

Author Topic: Denmark, Seeland, Stevns Museum  (Read 1689 times)

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Frank de Wit

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Re: Denmark, Seeland, Stevns Museum
« Reply #2 on: January 15, 2019, 04:25:57 PM »
New blog on Stevns Klint on Sjælland
"Stevns Klint is a 40 meters tall cliff on the east coast of Sjælland. The cliff consists of chalk, and is vertical because the sea gradually eats its way beneath it. The lower half of the cliff is beautiful, bright white, with some pearl strings of black flint nodules. The upper half is more irregular, and with yellow or peach color. Between them is a few centimeters thick, black layer of clay. The danes call it “fiskeleret”, the fish clay, because it occasionally contains fish scales. Not much to the eye, but one of the most important geological layers in the world: The border between the Cretaceous and the Tertiary, the middle-Earth and the young Earth" "The thin “Fiskeleret” clay layer at Stevns Klint told the same iridium story. Since then, the iridium anomaly was found at the border across the world, and finally the crater itself: A hundred kilometer wide impact structure, straddling the coast on the Chixulub peninsula in Mexico. It had since been covered by sediments, but seismic data and oil exploration wells revealed it"
Also see https://www.strahlen.org/forum/index.php/topic,2509.0.html

Bert de Ruiter

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Denmark, Seeland, Stevns Museum
« Reply #1 on: November 26, 2012, 07:23:08 PM »