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"mineralogy"10 articles archived since 1845

Radioactivity and Earth´s Age

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.

November 21, 2014 — David Bressan
Coming Next: Pompeii – a Geological Movie-Review

Coming Next: Pompeii – a Geological Movie-Review

A new disaster movie, retelling the fate of the ancient town of Pompeii, will be released soon. The filmmakers spent six years researching the volcanic disaster that destroyed the town to make it as historically accurate as possible – but what about the geology?

February 16, 2014 — David Bressan
Physician Paracelsus and early Medical Geology

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.

September 26, 2014 — David Bressan

A Concise History of Geological Maps

March 23, 1769 marks the birthday of pioneering stratigrapher William Smith, who is also credited with creating the first useful geological map, however like many other great accomplishments also Smith’s idea of depicting the distribution of rocks on a topographic map didn’t materialize out of nowhere.

March 22, 2014 — David Bressan

How Colors Revolutionized Geological Mapmaking

The first maps used symbols to characterize single outcrops; later maps introduced shaded areas to display the distribution of specific rock-types, but due the high printing-costs these maps were printed only in black & white, making them hard to read.

April 13, 2014 — David Bressan
The Strange Medical Case of the Radioactive Landslide

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.

October 16, 2014 — David Bressan
Cryptozoon – In Search of the “Hidden Life”

Cryptozoon – In Search of the “Hidden Life”

In the first edition of “On the Origin of Species” (1859) Darwin only briefly addresses the earliest known fossils, or better the lack thereof: “If the theory [of evolution] be true, it is indisputable that before the lowest Cambrian stratum was deposited, long periods elapsed .

May 1, 2014 — David Bressan

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