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History of Geology

History of Geology

What rocks tell and how we came to understand it

Tsunami in the Geological Record

The tsunami of Indonesia 2004 and Japan 2011 showed that they are a common element associated with earthquakes. Modern databases list more than 2.000 tsunami events worldwide in the last 4.000 years, most of them recorded in historic documents, chronicles and even myths - and yet tsunami deposits in the geological record seem to be relatively rare.In theory a tsunami can trigger a variety of erosion and depositional processes, like uprush and backwash currents, turbidity currents, debris flows and landslides, therefore also the formed sediments can vary from fine-grained sediments to large boulders.- When the tsunami hits the coast it will first erode older sediments...

December 26, 2012 — David Bressan

Armageddon !!!

Movies that deal with the Armageddon caused by the impact of a meteorite on earth have the great advantage that they can almost completely define the scenario - until now almost no references exist how such an event would occur in reality.Large impacts were relatively rare in historic times; the most famous (and still controversial) is the Tunguska event in 1908...

December 24, 2012 — David Bressan

December 22, 1938: "Old Four Legs"

One of the most astounding scientific discoveries of the 20th century was initiated by a simple phone call, early in the morning of December 22, 1938.

December 22, 2012 — David Bressan

Missing Time

" High up in the North in the land called Svithjöd, there stands a rock. It is hundred miles high and a hundred miles wide. Once every thousands years a little bird comes to this rock to sharpen its beak...

November 30, 2012 — David Bressan

A World without History

Tat: "Does the earth seem to you unmoving, father?" Hermes: "No, my son. It is the only thing full of movement, and at the same time stationary. Would it not be absurd for the nourisher of all things, the producer of and begetter of all, to be motionless?...[]" " Corpus Hermeticum " 100-300 A.D.According to Aristotelian philosophy earth was eternal, a world without history and with no end...

November 28, 2012 — David Bressan

Plant Paleoart Through the Ages

" History of Geology " will be dedicated until the end of the world year to two topics - the evolution of paleoart and - appropriately - the supposed age and end of the earth.

November 23, 2012 — David Bressan

Geology Will Rock You !

The music-video " Mutual Core " (2011) by Björk , starring hot tectonic forces and sensual strata, is by far not the only examples of how geology and paleontology could inspire musicians and songwriters...

November 16, 2012 — David Bressan

Ka ngaro i te ngaro a te Moa

Strange stories of strange birds and even stranger fossils were coming from the end of the world during the 19th century.The first Europeans spotted New Zealand in 1769 and Captain Cook explored the Northern Island four years later...

November 14, 2012 — David Bressan

Early Paleoart: Of Prehistoric Monsters and Men

“ to understand plants and animals there is no better way than to depict them from life “ Ulisse Aldrovandi (1522-1605)Maybe the first depiction of bones of an extinct animal can be attributed to an unknown Greek artist living some 2.600 years ago...

October 15, 2012 — David Bressan

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