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.

WORKS

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 ?
I REMEMBER AS a junior staff learner at First Canadian Mechanized Brigade Headquarters, our brigade major, one then-Major John Joly, used to taunt me out of the blue with provocations such as "What are the principles of the defence?" or "Why are things seen?"--a spur-of-the-moment challenge for me to come up with the principles of camouflage.
I particularly enjoyed the contributions by Ken Taylor (on Buffon and Desmarest), Martin Rudwick (on Jean-Andre de Luc), Hugh Torrens (on William Smith), Patrick Wyse Jackson (on John Joly), and Cherry Lewis (on Arthur Holmes).
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. He was in the publisher's office when the quake hit: "It feels like walking across a mattress, a kind of bouncing."
Those who paid $26 for 26 editions received refunds for the undelivered balance of their subscriptions, We/Mbl marketing manager John Joly said.
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.
John Joly, the P-I's director of public affairs, said that when the first phone calls of the incident came in, "the circulation staff moved quickly back into the affected areas to remove as many tampered-with rack copies of the P-I as possible.