Uranium–lead 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 |
Uranium–uranium 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requirements it has been superseded by uranium–lead dating (U–Pb dating), but in certain specialized situations (such as dating meteorites and the age of the Earth)... 12 KB (1,674 words) -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 uranium–lead dating. By allowing the establishment of geological timescales... 44 KB (5,517 words) - 02:21, 14 March 2024 |
present in rocks as a result of decay from uranium and thorium. (See lead–lead dating and uranium–lead 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 uranium–lead 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 uranium–lead dating method into lead–lead 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 uranium–uranium dating Intermediate decay product of 238U Primordial radionuclide Used in Uranium–lead dating Important... 36 KB (3,275 words) - 03:07, 19 February 2024 |
Samarium–neodymium dating Tephrochronology Uranium–lead dating Uranium–thorium dating Uranium–uranium dating, useful in dating samples between about 10,000 and... 17 KB (2,113 words) - 00:29, 8 November 2023 |
Sterkfontein (section Dating of the deposits) to date to between 2.05 and 2.01 Ma based on a combination of Uranium–lead dating and palaeomagnetic analysis and electron spin resonance dating The... 13 KB (1,432 words) - 13:04, 6 October 2023 |
Geochronology (redirect from Geologic dating) dating) for geologic dating. Monazite geochronology is another example of U–Pb dating, employed for dating metamorphism in particular. Uranium–lead dating... 16 KB (1,829 words) - 18:33, 19 February 2024 |
allows for lead–lead dating. As uranium decays into lead, their relative amounts change; this is the basis for uranium–lead dating. Lead-207 exhibits... 173 KB (18,873 words) - 22:47, 23 March 2024 |
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 uranium–lead dating to date rocks. The 4n chain of... 43 KB (3,684 words) - 08:19, 18 March 2024 |
75 billion years old (3,750 Ma). This measurement was made using uranium–lead dating on zircons found within granitic intrusions that cut portions of... 14 KB (1,610 words) - 19:47, 25 February 2024 |
Age of Earth (section Radiometric dating) 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 |
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 |
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 |
impact craters on Earth. A 2022 study using argon–argon dating combined with uranium–lead dating of shocked zircon crystals in impact melt rocks found in... 9 KB (716 words) - 13:15, 15 December 2023 |
Historical geology (section Relative dating) use of radiometric dating methods, such as radiocarbon dating, potassium–argon dating, and uranium–lead dating. Luminescence dating, dendrochronology,... 14 KB (1,033 words) - 21:43, 26 March 2024 |
Geology (section Dating methods) studies. Common methods include uranium–lead 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 |