• Uraniumlead dating, abbreviated U–Pb dating, is one of the oldest and most refined of the radiometric dating schemes. It can be used to date rocks that...
    9 KB (1,257 words) - 04:30, 30 August 2023
  • Uraniumuranium dating is a radiometric dating technique which compares two isotopes of uranium (U) in a sample: uranium-234 (234U) and uranium-238 (238U)...
    4 KB (432 words) - 10:12, 30 January 2022
  • requirements it has been superseded by uraniumlead dating (U–Pb dating), but in certain specialized situations (such as dating meteorites and the age of the Earth)...
    12 KB (1,674 words) - 10:16, 4 November 2023
  • Uranium–thorium dating, also called thorium-230 dating, uranium-series disequilibrium dating or uranium-series dating, is a radiometric dating technique...
    10 KB (1,149 words) - 02:19, 28 November 2023
  • Among the best-known techniques are radiocarbon dating, potassium–argon dating and uraniumlead dating. By allowing the establishment of geological timescales...
    44 KB (5,517 words) - 02:21, 14 March 2024
  • Thumbnail for Uranium-238
    multiple uranium dating techniques and is one of the most common radioactive isotopes used in radiometric dating. The most common dating method is uranium-lead...
    22 KB (2,744 words) - 00:15, 5 March 2024
  • present in rocks as a result of decay from uranium and thorium. (See leadlead dating and uraniumlead dating.) The longest-lived radioisotopes are 205Pb...
    30 KB (1,925 words) - 09:30, 24 February 2024
  • systems from younger organic remains (radiocarbon dating with 14 C) to systems such as uraniumlead dating that allow determination of absolute ages for some...
    14 KB (1,774 words) - 03:07, 8 November 2023
  • with George Tilton, Patterson developed the uraniumlead dating method into leadlead dating. By using lead isotopic data from the Canyon Diablo meteorite...
    25 KB (2,913 words) - 14:51, 26 March 2024
  • Used in uranium–thorium dating Used in uraniumuranium dating Intermediate decay product of 238U Primordial radionuclide Used in Uraniumlead dating Important...
    36 KB (3,275 words) - 03:07, 19 February 2024
  • Samarium–neodymium dating Tephrochronology Uraniumlead dating Uranium–thorium dating Uraniumuranium dating, useful in dating samples between about 10,000 and...
    17 KB (2,113 words) - 00:29, 8 November 2023
  • Thumbnail for Uranium
    other types of radiometric dating, including uranium–thorium dating, uraniumlead dating and uraniumuranium dating. Uranium metal is used for X-ray targets...
    111 KB (12,431 words) - 23:16, 25 March 2024
  • Thumbnail for Environmental radioactivity
    Japan. Uranium-lead dating is usually performed on the mineral zircon (ZrSiO4), though other materials can be used. Zircon incorporates uranium atoms into...
    27 KB (3,223 words) - 23:19, 10 March 2024
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    to date to between 2.05 and 2.01 Ma based on a combination of Uraniumlead dating and palaeomagnetic analysis and electron spin resonance dating The...
    13 KB (1,432 words) - 13:04, 6 October 2023
  • Thumbnail for Geochronology
    dating) for geologic dating. Monazite geochronology is another example of U–Pb dating, employed for dating metamorphism in particular. Uraniumlead dating...
    16 KB (1,829 words) - 18:33, 19 February 2024
  • Thumbnail for Lead
    allows for leadlead dating. As uranium decays into lead, their relative amounts change; this is the basis for uraniumlead dating. Lead-207 exhibits...
    173 KB (18,873 words) - 22:47, 23 March 2024
  • Thumbnail for Decay chain
    Decay chain (redirect from Uranium Series)
    amounts in comparison with lead-204 (which has only a primordial origin) can be used in the technique of uraniumlead dating to date rocks. The 4n chain of...
    43 KB (3,684 words) - 08:19, 18 March 2024
  • Thumbnail for Mare Imbrium
    volcanic plain seen today. The basin's age has been estimated using uraniumlead dating methods to approximately 3.9 billion years ago, and the diameter...
    16 KB (1,835 words) - 22:05, 28 February 2024
  • Thumbnail for Yarrabubba impact structure
    minerals zircon and monazite found in the crater. Scientists used uranium-lead dating to analyze the samples and to determine the age of the impact crater...
    5 KB (494 words) - 00:02, 21 December 2023
  • Thumbnail for Uranium glass
    Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for colouration. The proportion usually...
    13 KB (1,364 words) - 06:03, 9 February 2024
  • Thumbnail for Nuvvuagittuq Greenstone Belt
    75 billion years old (3,750 Ma). This measurement was made using uraniumlead dating on zircons found within granitic intrusions that cut portions of...
    14 KB (1,610 words) - 19:47, 25 February 2024
  • Thumbnail for Age of Earth
    Following the development of radiometric age-dating in the early 20th century, measurements of lead in uranium-rich minerals showed that some were in excess...
    45 KB (5,444 words) - 18:45, 23 February 2024
  • Thumbnail for Bertram Boltwood
    uranium to lead, in 1907. He got results of ages of 400 to 2200 million years, the first successful use of radioactive decay by Pb/U chemical dating....
    15 KB (1,758 words) - 15:01, 8 January 2024
  • Thumbnail for Mount Elbrus
    and ignimbrite formations have been found and have been allowed by uranium-lead dating to situate the formation of the main caldera around −700,000 years...
    43 KB (4,845 words) - 01:55, 27 March 2024
  • Thumbnail for Hiawatha Glacier
    impact craters on Earth. A 2022 study using argon–argon dating combined with uraniumlead dating of shocked zircon crystals in impact melt rocks found in...
    9 KB (716 words) - 13:15, 15 December 2023
  • Thumbnail for Historical geology
    use of radiometric dating methods, such as radiocarbon dating, potassium–argon dating, and uraniumlead dating. Luminescence dating, dendrochronology,...
    14 KB (1,033 words) - 21:43, 26 March 2024
  • studies. Common methods include uraniumlead dating, potassium–argon dating, argon–argon dating and uranium–thorium dating. These methods are used for a...
    87 KB (9,507 words) - 09:35, 19 March 2024
  • Thumbnail for Grand Canyon
    study, which was published in the journal Science in 2008, used uranium-lead dating to analyze calcite deposits found on the walls of nine caves throughout...
    124 KB (13,394 words) - 06:57, 7 February 2024
  • Thumbnail for Amber
    northern Myanmar is the only commercially exploited Cretaceous amber. Uraniumlead dating of zircon crystals associated with the deposit have given an estimated...
    61 KB (6,833 words) - 20:58, 27 March 2024
  • Thumbnail for Mamenchisaurus
    reliable dating for the Upper Shaximiao Formation, where many of the Mamenchisaurus species are found. A study published in 2018 used uraniumlead dating on...
    52 KB (5,654 words) - 14:00, 5 February 2024