If you would like to participate, you can choose to edit this article, or visit the project page for more information. Maybe This article says that in 1911 Holmes was the first to use uranium-lead radiometric dating to determine the age of rocks. Boltwood compared Uranium to Lead values in a variety of rocks to see if there was a relationship.
Well, yes, OK, but Continental Drift has an uneasy history, and Plate Tectonics is the fashionable term. 1858), who spoke of Continental Drift caused by Noah's Flood. However, the article on Bertram Boltwood says that he was the first to meaure the age of rocks by the decay of uranium to lead in 1907. He found that there was, but the ages were not the point of the analysis.
Florian Cajori, author of the 1908 article “The Age of the Sun and the Earth,” was a historian of science and, especially, of mathematics, and Ray Lankester, whom he quotes, was a zoologist. The first act consists in a direct attack, led by Lord Kelvin, on the extreme uniformitarianism of those such as Charles Lyell, who regarded the earth as indefinitely old and who, with great foresight (or great naivety, depending on your point of view: see the third installment of the 1900 “The Age of the Earth” article by W. Sollas), assumed that physical processes would eventually be discovered to power the great engine of erosion and uplift.
The second act of the drama sees a prolonged attempt by a new generation of geologists to estimate the age of the earth from observational evidence, to come up with an answer that would satisfy the demands of newly dominant evolutionary thinking, and to reconcile this answer with the constraints imposed by thermodynamics.
Most notable is William Thomson, ennobled to become Lord Kelvin in 1892, whose theories make up an entire section of this collection.
He was one of the dominant physicists of his time, the Age of Steam.
The third act sees the entry of a newly discovered set of physical laws—those governing radioactivity.
By 1788 Hutton had formulated a theory of cyclic deposition and uplift, with the earth indefinitely old, showing “no vestige of a beginning—no prospect of an end.” Hutton considered the present to be the key to the past, with geologic processes driven by the same forces as those we can see at work today.
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Arthur Holmes is part of Wiki Project Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource.
You could I suppose say that Boltwood established that dating was possible using U/Pb, but that Holmes was the one who turned into a workable dating technique.
Mikenorton (talk) , 4 October 2009 (UTC) I think that Arthur Holmes religious upbringing should be noted.