
All Good Things must End...
Eventually everybody has to face change and his personal Chicxulub and so will the History of Geology blog end as part of the Scientific American Network.
My name is David Bressan and I'm a freelance geologist working mainly in the Austroalpine crystalline rocks and the South Alpine Palaeozoic and Mesozoic cover-sediments in the Eastern Alps. I graduated with a project on Rock Glaciers dynamics and hydrology, this phase left a special interest for quaternary deposits and modern glacial environments. During my research on glaciers, studying old maps, photography and reports on the former extent of these features, I became interested in history, especially the development of geomorphologic and geological concepts by naturalists and geologists. Living in one of the key area for the history of geology, I combine field trips with the historic research done in these regions, accompanied by historic maps and depictions. I discuss broadly also general geological concepts, especially in glaciology, seismology, volcanology, palaeontology and the relationship of society and geology.

All Good Things must End...
Eventually everybody has to face change and his personal Chicxulub and so will the History of Geology blog end as part of the Scientific American Network.

How it all ends…
“Some say the world will end in fire, Some say in ice. From what I’ve tasted of desire I hold with those who favor fire. But if it had to perish twice, I think I know enough of hate To say that for destruction ice Is also great And would suffice.” Robert Frost (1874-1963) The [...]

Geological Treasures in Ancient Egypt
November 26, 1922 archaeologist Howard Carter (1874-1939) entered the tomb of Tutankhamun, pharaoh in ancient Egypt from 1332 to 1323 BC. The grave was filled with precious jewelry, including a breastplate decorated with a scarab, made from a greenish-yellow gemstone.

Radioactivity and Earth´s Age
For a long time the apparent discrepancy between the age of earth and the age of the cosmos posed a great problem to geologists and astronomers alike.

Earth’s Age and the Cosmic Calendar
During the 19th century geologists realized that earth was quite older than previously believed, however this discovery posed an even greater question: what about the universe? Did earth (like some fundamental creationists believed and still believe) predate the cosmos, were earth and the cosmos created at the same time or came earth later?

Medieval Witch Hunts Influenced by Climate Change
August 3, 1562 a devastating thunderstorm hit central Europe, damaging buildings, killing animals and destroying crops and vineyards. The havoc caused by this natural disaster was so great, so unprecedented, that soon an unnatural origin for the storm was proposed.

The (Zombie-)Toad-in-the-Hole
May 8, 1733 two workers, Anders Halfwarder and Olof Sigräfwer, reported excited to superintendent Johan Gråberg, who was inspecting the quarry of Nybro near the village of Wamlingebo (Gotland, Sweden), a very strange discovery.

Of Dragons and Geology
Johann Jakob Scheuchzer (1672-1733) was a Swiss physician, but also quite interested in travels and natural sciences. He published his observations on the culture and natural world of the Alps as “Itinera per Helvetiae alpinas regiones facta annis 1702-1711“.

Geologizing in the Realm of the Beast
September 8, 1762 the young son of the Yolle‘s, herding the flock of sheep, disappeared near the village of Laval in the province of Dauphiné (France).

The Strange Medical Case of the Radioactive Landslide
The landslide of Köfels (named after a small village in Tyrol) is one of the largest recognized landslides in the Alps – large enough to dam up a 92 meters (300 feet) deep prehistoric lake and divide in two the valley of Ötz.

Physician Paracelsus and early Medical Geology
Philippus Theophrastus Aureolus Bombastus von Hohenheim (1493-1541), better known as Paracelsus, is considered one of the most important mystics and physicians of all times.

In Search Of… Darwin’s Cryptids
First bones of this mysterious creature were discovered in 1787 near Rio Lujàn (Argentinia), collected and send to Spain two years later.

Book Review: Island on Fire
Island on Fire: The extraordinary story of Laki, the volcano that turned eighteenth-century Europe dark By Witze, A. & Kanipe, J. PROFILE-BOOKS 224 pages | Hardcover 1st edition | April 2014 ISBN 978-178125-0044 Volcanoes are no unusual sight on Iceland and yet the eruption that started June 8, 1783 in the southern district of [...]

Alexander von Humboldt and the Hand-Beast
The German naturalist F. W. H. Alexander von Humboldt (born September 14, 1769-1859) is remembered as great geographer and explorer (maybe his name is even the most common on topographic maps), but his early education focused on mining engineering (and economy, as wished by his mother) and he made some important contributions to geology, for [...]

Happy Birthday Plate-Tectonics !
September 7, marks the anniversary of the publication of an important paper, “Magnetic Anomalies Over Oceanic Ridges” (1964) describes the discovery of parallel stripes of magnetized igneous rocks along the ocean floor.

The real Delving of the Dwarves
“You fear to go into those mines. The dwarves delved too greedily and too deep“ In European folklore dwarves are often associated with mines and underground treasures, a myth also popularized by author J.

Poet and Paleontologist: Johann Wolfgang von Goethe
The German lawyer, author, poet, politician and artist Johann Wolfgang von Goethe (born August 28, 1749-1832) was also a mining engineer and quite interested in geology and paleontology.

Bat-Pterodactyls
Italian Cosimo Alessandro Collini (1727-1806), at the time chairman of the Cabinet of Curiosities of the principality of Pfalz (Germany), was the first naturalist to speculate about pterodactyls in 1784.

Geologist’s Nightmares
Adventurer Roy Chapman Andrews mentions in an article published in 1922 in the “Asia Magazine” and later in his book “On the Trail of Ancient Man” (1926), a strange creature, said to inhabit the Gobi-desert in Mongolia: “Then the Premier asked that, if it were possible, I should capture for the Mongolian government a specimen [...]

EQLs VS UFOs
“Swamp gas?” Mulder, F.W. in the "X-Files " (1993) Summer is traditionally Silly Season, when newspapers publish strange stories about aliens and monsters again and again to bridge holiday time - and so will July on "History of Geology" be dedicated to frivolous science stories...

Geology and Generals: How Geology influenced the Battle of Gettysburg (Part II.)
“With regard to precipitous heights, if you are beforehand with your adversary, you should occupy the raised and sunny spots, and there wait for him to come up.” The Art of War, by Sun Tzù The battleground of Gettysburg was shaped by ancient tectonic movements, sediments transported by rivers and deposited in lakes and finally [...]

Geology and Generals: How Geology influenced the Gettysburg Campaign (Part I.)
“Hence the saying: If you know the enemy and know yourself, your victory will not stand in doubt; if you know Heaven and know Earth, you may make your victory complete.” The Art of War, by Sun Tzù In 1863, after more than two years of Civil War, the Confederate Army of Northern Virginia launches [...]

Star Wars Geology
“There are no good wars, with the following exceptions: the American Revolution, World War II, and the Star Wars Trilogy.” Bart Simpson in “Bart the General” (1990) Geology played a role in many past conflicts, but can war – even if only a fictional future war – play a role in geological fieldwork?

Battlefield Earth – the Geological Legacy of War
It was during the first World War that the impact of human warfare on the landscape exponentially increased. Large armies equipped with the most advanced military technology- especially the high energy explosives evolved rapidly – devastated entire landscapes along the Western Front, stretching from the English Channel to the Swiss mountains.