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History of Geology

History of Geology

What rocks tell and how we came to understand it

The Younger Dryas Impact Hypothesis

The causes that led to the extinction of most of the larger mammals - also referred as Megafauna- that roamed the Pleistocene world are still highly controversial and fiercely discussed.

July 27, 2011 — David Bressan

Time for a new epoch? - the Anthropocene

The notion that the influence on earth's systems by humankind is so great that this phase of earth's history needs a proper name is not new, already in 1873 the Italian geologist Antonio Stoppani suggested the term Anthropozoic , in 1879 the American geologist Joseph LeConte discusses in his textbook the Psychozoic and in 1927 the French philosoph Édouard Louis Emmanuel Julien Le Roy adopts the Noosphere from Russian mineralogist Vladimir Vernadsky to denote the third epoch of earth - after the inanimate geosphere and animate biosphere the epoch of human thought has begun.

July 22, 2011 — David Bressan

July 19, 1985: The Val di Stava dam collapse

Mining activities for silver-bearing minerals have been carried out in the Stava-Valley , in the Italian province of Trento , since the 16th century.

July 19, 2011 — David Bressan

It's sedimentary, my dear Watson

On February 20, 1949 Mrs. Henrietta Helen Olivia Roberts Durand-Deacon, a sixty-nine-year-old wealthy widow, disappeared from the Onslow Court Hotel located in South Kensington, London.

July 18, 2011 — David Bressan

The discovery of the periglacial realm

With this first regular post I would briefly introduce one of my favourite field (in the geological sense) of interests - the periglacial zone and one of its largest and most characteristic landscape features.The term periglacial was introduced by the Polish geologist Walery von Lozinsk in 1910 and 1911 to describe the particular mechanical weathering he had observed in sandstones of the Gorgany Range in the southern Carpathian Mountains.

July 7, 2011 — David Bressan
Thoughts on a Pebble

Thoughts on a Pebble

Prologue: “Deep in the forest a man sitting on a large stone once heard a voice. “Do you want to hear a story?” The man looked up, and wondered, because nobody was there.

July 5, 2011 — David Bressan

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