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Posts Tagged "Volcanology"

History of Geology

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). Only the poor remains of the boy, partially eaten by a mysterious creature, were recovered. The pastor of Laval, named Raphaël, later described an encounter with this creature: “the [...]

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History of Geology

The Strange Medical Case of the Radioactive Landslide

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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. Wood fragments discovered during the construction of a gallery in the landslide [...]

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History of Geology

Book Review: Island on Fire

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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 [...]

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History of Geology

Happy Birthday Plate Tectonics!

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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. These stripes are formed when lava pours out along the Mid-Ocean-Ridges, cools and solidifies and pushes aside older oceanic and continental crust. This [...]

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History of Geology

Geology and Generals: How Geology influenced the Battle of Gettysburg (Part II.)

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“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 [...]

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History of Geology

Geology and Generals: How Geology influenced the Gettysburg Campaign (Part I.)

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“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 [...]

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History of Geology

The mythical Fire-Mountains of the Cascades

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The west coast of the U.S. is not only characterized by earthquakes and related myths, but also by volcanoes and also these natural phenomena became incorporated in supernatural stories. Many mountains of the Cascade Range were feared by local tribes. The Canadian artist Paul Kane (1810-1871), who visited Mount St. Helens, wanted to climb the [...]

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History of Geology

The Expanding Earth

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The prevailing geological model of the early 19th century was characterized by an almost static earth, maybe slowly cooling and shrinking, until the molten interior would eventually be completely frozen and solidified. However at the beginning of the 20th century collected evidence suggested that earth´s crust was quite more mobile – both in horizontal and [...]

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History of Geology

Pompeii – a Geological Movie-Review : The Last Day of Pompeii

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It’s probably one of the most famous volcanic eruptions of all times – the 79 A.D. eruption of Mount Vesuvius – so may it surprises  that the exact day of this historic event is unknown. The date of August 24 given in all textbooks is based on two letters from the Roman author Pliny the [...]

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History of Geology

Pompeii – a Geological Movie-Review : Introducing the Main Character

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The new movie “Pompeii” reconstructs one of the most famous volcanic eruptions in history with unprecedented “3D” special effects – but even the best visuals can’t help if the science is wrong – so how geological accurate is the movie? 1.Dramatis Persona Fig.1. Mount Vesuvius as reconstructed in the new film “Pompeii” (from the movie [...]

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