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Stories by David Bressan

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

Book Review: An Introduction to Forensic Geoscience

An Introduction to Forensic GeoscienceBy Elisa BergslienISBN: 978-1-4051-6054-4Paperback514 pagesMay 2012, Wiley-Blackwell Geophysicist and meterologist Alfred Wegener once lamented in the foreword of his " The Origin of Continents and Oceans " that " We are like a judge confronted by a defendant who declines answer, and we must determine the truth from the circumstantial evidence.[] "; he continues " It is only by combing the information furnished by all the earth sciences that we can hope to determine "truth"… "It seems that these words can be used also to describe the book " An Introduction to Forensic Geoscience ", published in 2012 and written by hydrogeologist Elisa Bergslien , as she demonstrate in 11 main chapters how methods used in the fields of geology, geography, geomorphology, sedimentology, mineralogy and petrology, palaeontology and biology can be used to collect evidence and help to solve crimes...

October 11, 2012 — David Bressan

De Loys' Ape

Louis François Fernand Hector de Loys , (1892-1935) was a Swiss geologist and pioneer of oil field prospection in Europe, Africa and America. Unfortunately de Loys is today less known for his geological work than for a story involving a strange photography.In 1920 a bunch of exhausted men reached the bank of the Tarra River , a tributary of the Rio Catatumbo , located in the borderlands of Venezuela and Colombia...

October 7, 2012 — David Bressan

Richard Owen, the "Sea-Serpent Killer"

In the beginning were the Greek and Roman encyclopedias, followed by the medieval bestiaries and the first cabinets of curiosities, soon replaced by natural history collections and the search for mysterious cryptids - humans were always fascinated by weird things and strange tales...

September 15, 2012 — David Bressan

I can tell you about Mars

In 1849 the Italian chemist J. Usiglio performed a set of evaporation experiments with seawater along the French Riviera and established the order in which evaporite minerals precipitate from an aqueous environment...

September 6, 2012 — David Bressan

Save Siccar Point !!

March 17, 1785 the " famous philosopher of the fossils " & agronomist James Hutton presented to the Royal Society his " dissertation ", " Concerning the System of the Earth, Its Duration, and Stability...

September 3, 2012 — David Bressan

From Flood Myth to Martian Megafloods

" No one with an eye for land forms can cross eastern Washington in daylight without encountering and being impressed by the "scabland." Like great scars marring the otherwise fair face to the plateau are these elongated tracts of bare, black rock carved into mazes of buttes and canyons...

August 30, 2012 — David Bressan

Meet the Martians

Ash: " You still don't understand what you're dealing with, do you? …. Perfect organism. Its structural perfection is matched only by its hostility. "Lambert: " You admire it.

August 19, 2012 — David Bressan
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