geology

Emil Wiechert and the Inner Structure of the Earth

Emil Wiechert and the Inner Structure of the Earth

On December 26, 1861, German geophysicist Emil Johann Wiechert was born. Wiechert made many contributions to both fields, including presenting the first verifiable model of a layered structure of the Earth and being among the first to discover the electron. He invented the “inverted pendulum” seismograph, (an improvement still incorporated in today’s instruments), with which he was able to detect some of the Earth‘s inner structure. He suggested the Earth has an inner,…
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Hans Cloos and the Granite Tectonics

Hans Cloos and the Granite Tectonics

On November 8, 1885, German structural geologist Hans Cloos was born. Cloos became known throughout Europe as the author of a textbook (1936) and the extensive monograph Gespräch mit der Erde (1947), whose clear language and self-drawn illustrations made geology comprehensible to the general public. He was a pioneer in the study of granite tectonics (the deformation of crystalline rocks) and in model studies of rock deformation. “The earth is large and…
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Sir Richard John Griffith and the Geological Map of Ireland

Sir Richard John Griffith and the Geological Map of Ireland

On September 20, 1784, Irish geologist and mining engineer Sir Richard John Griffith was born. Griffith sometimes has been called the “father of Irish geology.” He completed the first complete geological map of Ireland and was author of the valuation of Ireland – known ever since as Griffith‘s Valuation. Education and First Work Experience Richard John Griffith was born in Hume Street, Dublin, Ireland, the son of Richard Griffith M.P. of Millicent…
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Laurence Gould’s geological Exploration of Antarctica

Laurence Gould’s geological Exploration of Antarctica

On August 22, 1896, American geologist, educator, and polar explorer Laurence McKinley Gould was born. Gould was the first geologist to reach the interior of the Antarctic continent. He travelled to the Queen Maud Mountains, making geological and glaciological surveys. Laurence Gould was born in Lacota, Michigan. After completing high school in South Haven, Michigan in 1914 he began teaching while saving money for college. He managed to enroll at the University of Michigan two…
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Eduard Suess and the Study of Tectonics

Eduard Suess and the Study of Tectonics

On August 20, 1831, Austrian geologist Eduard Suess was born. Suess was an expert on the geography of the Alps and helped lay the basis for paleogeography and tectonics, i.e. the study of the architecture and evolution of the Earth‘s outer rocky shell. He is responsible for hypothesising two major former geographical features, the supercontinent Gondwana (proposed in 1861) and the Tethys Ocean. Eduard Suess was born in London into the large family…
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Johan Gunnar Andersson and Chinese Archaeology

Johan Gunnar Andersson and Chinese Archaeology

On July 3, 1874, Swedish archaeologist, paleontologist and geologist Johan Gunnar Andersson was born. Andersson is closely associated with the beginnings of Chinese archaeology in the 1920s. He laid the foundation for the study of prehistoric China. In 1921, at a cave near there, on the basis of bits of quartz that he found in a limestone region, he predicted that a fossil man would be discovered. Six years later, the first…
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Georg Wüst and the Motion of Water Masses

Georg Wüst and the Motion of Water Masses

On June 15, 1890, German oceanographer Georg Adolf Otto Wüst was born. Wüst’s pioneering work on the Atlantic Ocean provided a new view of the motions of water masses between the northern and southern hemispheres and the first evidence of the concentration of water mass spreading in western boundary currents. He developed the first essentially complete understanding of the physical structure and deep circulation of the Atlantic Ocean. Georg Wüst studied geography and oceanography at the…
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William Joscelyn Arkell and the Jurassic Period

William Joscelyn Arkell and the Jurassic Period

On June 9, 1904, British geologist and paleontologist William Joscelyn Arkell was born. Arkell is regarded as the leading authority on the Jurassic Period during the middle part of the 20th century. His work includes the classification of Jurassic ammonites and an interpretation of the environments of that period. In 1946, his “Standard of the European Jurassic” advocated a commission formulate a code of rules for stratigraphical nomenclature. William Joscelyn Arkell attended…
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Beno Gutenberg and the Earth’s Interior

Beno Gutenberg and the Earth’s Interior

On June 4, 1889, German-American seismologist Beno Gutenberg was born. Gutenberg is noted for his analyses of earthquake waves and the information they furnish about the physical properties of the Earth’s interior. He was a colleague and mentor of Charles Francis Richter at the California Institute of Technology and Richter’s collaborator in developing the Richter magnitude scale for measuring an earthquake’s magnitude. Beno Gutenberg was born in Darmstadt, Germany, the son of…
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Clair Cameron Patterson and the exact Age of the Earth

Clair Cameron Patterson and the exact Age of the Earth

On June 2, 1922, American geochemist Clair Cameron Patterson was born. Patterson developed the uranium–lead dating method into lead–lead dating and, by using lead isotopic data from the Canyon Diablo meteorite, he calculated an age for the Earth of 4.55 billion years; a figure far more accurate than those that existed at the time and one that has remained largely unchanged since 1956. Clair Patterson was born in Mitchellville, Iowa, near Des…
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