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History of Geology

History of Geology

What rocks tell and how we came to understand it

September 7, 1936: The last Thylacine

September 7, 1936 the last thylacine ( Thylacinus cynocephalus ) died at the Hobart Zoo (Tasmania). Modern legends attributed him the name Benjamin and a gruesome death - neglected and forgotten he (or more probably she) died from depression and the harsh weather...

September 7, 2011 — David Bressan

September 4, 1618: The landslide of Plurs

" Truthful and terrible new description/ from the sudden destruction/ of the well known village of Plurs in Bergel/ and situated in the provinces of Bünten/ how suddenly a landslide came down from the mountain/ and the entire village in a moment covered/ elevated from ground/ buried/ thrown away and eradicated/ occurred in this year 1618...

September 4, 2011 — David Bressan

September 2, 1806: The landslide of Goldau

" The morning of this sorrowful day begun with strong rain, which became less and lesser until at midday it stopped. Already in the early morning there were fissures in the earth and cracks in the meadows visible...

September 2, 2011 — David Bressan

August 27, 1883: Krakatoa

"Perhaps, however, the most important evidence of what was actually going on at Krakatoa during the crisis of the eruption is that derived from witnesses on board ships which sailed between Java and Sumatra while the great outburst was in progress, or those that were at the time in the immediate vicinity of either the eastern or western entrance of the Sunda Strait...

August 27, 2011 — David Bressan

Earthquakey Times

Earthquakes are the results of the sudden release of accumulated stress in the brittle crust of earth. This energy accumulation is caused by the friction and deformation (strain) of rocks, most pronounced where tectonic plates collide or touch...

August 25, 2011 — David Bressan

Cities and Geological Risk

"Civilization exists by geological consent, subject to change without notice." Will Durant (1885 - 1981) American writer, historian, and philosopher Fig.1.

August 19, 2011 — David Bressan

On the Extinction of Species

The Dodo by Hilaire Belloc The Dodo used to walk around, And take the sun and air. The sun yet warms his native ground– The Dodo is not there!

August 17, 2011 — David Bressan

Hydrochemistry on the Rocks

It is considered one of the oldest foods and most appreciated beverages of the world - chemical remains were found on fragments of a more than 4.000 old jar, the Mesopotamians guaranteed its purity by death penalty and the old Egyptian considered it an essential part of the afterlife - the preferred drink of the gods of the Vikings - and today of geologist, known also as beer.Geologists love beer for a simple reason: it makes you think a lot about geology…(and as a popular side-effect it is tasty)...

August 2, 2011 — David Bressan

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