John Joly

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Joly, John


Born Nov. 1, 1857, in the county of Offaly, Ireland; died Dec. 8, 1933, in Dublin. British geologist and geophysicist.

Joly graduated from Trinity College in Dublin and was a professor of geology at the University of Dublin (from 1897). He was the first to note the importance of radioactive elements in the thermal regime of the earth. Based on the quantitative determination of the content of radioactive elements in various rocks, Joly was the first to calculate the amount of energy evolved by elements in the process of radioactive decay. The resultant data were used by him to formulate a geotectonic hypothesis that attempted to explain the periodicity of tectonic processes.


Radioactivity and Geology. London, 1909.
The Surface History of the Earth, 2nd ed. Oxford, 1930.
In Russian translation:
Istoriia poverkhnosti Zemli. Moscow-Leningrad, 1929.
References in periodicals archive ?
CONTACT: John Joly of Seattle Post-Intelligencer, +1-206-448-8005
Morale was high at the Seattle Post-Intelligencer, where news coverage was bolstered by staffers who "just showed up without being asked," says Director of Public Affairs John Joly.
ISO Rating Service was developed in response to insurers' requests for a way to automate the complex, labor-intensive, and costly process of policy rate maintenance and management," said John Joly, chief operating officer, ISO Insurance Technology Solutions, a division of ISO Strategic Solutions, Inc.
CONTACT: John Joly, P-I Public Affairs, +1-206-448-8005
The P-I contract had the same wage package, but improvements in medical coverage were provided in exchange for a cut in the number of personal days off, says John Joly, director of public affairs at the P-I.
By combining Arcot's leading payer authentication software with our world class team and resources, we can deliver with confidence and speed a powerful, reliable Verified by Visa solution to banks and card processors worldwide," said John Joly, director, Global Card Program, Unisys.
The Post-Intelligencer is equally determined to publish, says Director of Public Affairs John Joly.
CONTACT: John Joly of the Seattle Post-Intelligencer, 206-448-8005/