geology

Sir Edward Sabine and the Earth’s Magnetic Field

Sir Edward Sabine and the Earth’s Magnetic Field

On October 14, 1788, Irish astronomer, geophysicist, ornithologist,explorer, soldier and the 30th President of the Royal Society Sir Edward Sabine was born. His aim was to study the shape of the Earth and its magnetic field. He led the effort to establish a system of magnetic observatories in various parts of British territory all over the globe, and much of his life was devoted to their direction, and to analyzing…
Baron Gerard de Geer and the Varves

Baron Gerard de Geer and the Varves

On October 2, 1858, Swedish geologist Gerard Jacob De Geer was born. De Geer made significant contributions to Quaternary geology, particularly geomorphology and geochronology. But, he is best known for his discovery of varves. A varve is a seasonal coarse-fine layer of clay deposited in still water.The layers were produced by the annual melt-water sequence and can be used as a chronological evidence. Baron Gerard de Geer was born in Stockholm,…
Pierre Louis Maupertuis and the Shape of the Earth

Pierre Louis Maupertuis and the Shape of the Earth

On September 28, 1698, French mathematician, philosopher and man of letters Pierre Louis Maupertuis was born. Maupertuis made an expedition to Lapland to determine the shape of the Earth. He is also credited with having invented the principle of least action, an integral equation that determines the path followed by a physical system. Pierre Louis Maupertuis was born at Saint-Malo, France. He was educated in mathematics by a private tutor,…
The Biosphere 2 Missions

The Biosphere 2 Missions

On September 26, 1991, the first mission of Biosphere 2 began. Biosphere 2 is an Earth systems science research facility located in Oracle, Arizona, built to be an artificial, materially closed ecological system, or vivarium. It remains the largest closed system ever created. Biosphere 2 was constructed between 1987 and 1991 by Space Biosphere Ventures and was named Biosphere 2 because it was meant to be the second fully self-sufficient…
James Hutton – the Father of Modern Geology

James Hutton – the Father of Modern Geology

On June 3, 1726, Scottish geologist, physician, chemical manufacturer, naturalist, and experimental agriculturalist James Hutton was born. He originated the theory of uniformitarianism, a fundamental principle of geology, which explains the features of the Earth’s crust by means of natural processes over geologic time. Hutton’s work established geology as a proper science, and thus he is often referred to as the “Father of Modern Geology”. James Hutton was born into a rather…
Mary Anning and her Marine Fossils

Mary Anning and her Marine Fossils

On May 21, 1799, British fossil collector, dealer, and palaeontologist Mary Anning was born. She became known around the world for important finds she made in Jurassic marine fossil beds in the cliffs along the English Channel at Lyme Regis in the county of Dorset in Southwest England. Her work contributed to fundamental changes in scientific thinking about prehistoric life and the history of the Earth. Mary Anning was born…
Christian Leopold von Buch and the Jurassic System

Christian Leopold von Buch and the Jurassic System

On April 26, 1774, German geologist and paleontologist Christian Leopold von Buch was born. He is best known asone of the most important contributors to geology in the first half of the nineteenth century. His scientific interest was devoted to a broad spectrum of geological topics: volcanism, fossils, stratigraphy and more. His most remembered accomplishment is the scientific definition of the jurassic system. Leopold von Buch was the son of…
The Expeditions of John Wesley Powell

The Expeditions of John Wesley Powell

On March 24, 1834, American geologist and ethnologist John Wesley Powell was born. He published the first classification of American Indian languages and was the first director of the U.S. Bureau of Ethnology. He is famous for the 1869 Powell Geographic Expedition, a three-month river trip down the Green and Colorado rivers, including the first known passage through the Grand Canyon. John Powell was born in Mount Morris, New York, in…
Vladimir Vernadsky and the Biosphere

Vladimir Vernadsky and the Biosphere

On March 12 (February 28 according to the old calendar), 1863, Ukrainian and Soviet mineralogist and geochemist Vladimir Ivanovich Vernadsky was born. He is considered one of the founders of geochemistry, biogeochemistry, and of radiogeology. He is most noted for his 1926 book “The Biosphere” in which he popularized the hypothesis that life is the geological force that shapes the Earth. Vladimir Ivanovich Vernadsky was born on March 12, 1863…
John Murray and the Oceanography

John Murray and the Oceanography

On March 3, 1841, pioneering Scottish oceanographer, marine biologist and limnologist Sir John Murray was born. As one of its founders, coined the name oceanography. He studied ocean basins, deep-sea deposits, and coral-reef formation. As a marine scientist, he took part in the Challenger Expedition (1872–76), the first major oceanographic expedition of the world. John Murray was born in Coburg, Ontario as the son of a Scottish emigrant. He left Canada…
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