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O que (quem) é K–Ca dating - definição
K–Ca dating
RADIOMETRIC DATING METHOD USED IN GEOCHRONOLOGY
Draft:K-Ca Dating; K-Ca Dating; K-Ca dating
Potassium–calcium dating, abbreviated K–Ca dating, is a radiometric dating method used in geochronology. It is based upon measuring the ratio of a parent isotope of potassium () to a daughter isotope of calcium ().
Online dating service
PERSONAL INTRODUCTORY SYSTEM WHEREBY INDIVIDUALS CAN FIND AND CONTACT EACH OTHER OVER THE INTERNET TO ARRANGE A DATE
Internet dating; Online Dating; Net dating system; Net dating service; Online personals; Cyber dating; Virtual dating; Dating software; Online speed dating; Dating site; Dating website; Free dating websites; Dating sites; Cyberdating; Cyberdate; Cyber date; Cyber-dating; Dating online; Free dating; Adultdating; Dating search engine; E-date; Online dating website; Dating websites; Network Dating; User:Richpat80/Network dating; Dating web site; Online dating services; Hookup app; Online dater; Online Dater; Online love; Online dating service
Online dating, also known as Internet dating, Virtual dating, or Mobile app dating, is a relatively recent method used by people with a goal of searching for and interacting with potential romantic or sexual partners, via the internet. An online dating service is a company that promotes and provides specific mechanisms for the practice of online dating, generally in the form of dedicated websites or software applications accessible on personal computers or mobile devices connected to the internet.
Radiometric dating
![[[Apatite]] crystals are widely used in fission track dating.](https://commons.wikimedia.org/wiki/Special:FilePath/Apatite Canada.jpg?width=200 "[[Apatite]] crystals are widely used in fission track dating.")
![Lu-Hf]] isochrons plotted of meteorite samples. The age is calculated from the slope of the isochron (line) and the original composition from the intercept of the isochron with the y-axis.](https://commons.wikimedia.org/wiki/Special:FilePath/Figure 2 High res Debaille et al (2017) The role of phosphates for the Lu–Hf chronology of meteorites.gif?width=200 "Lu-Hf]] isochrons plotted of meteorite samples. The age is calculated from the slope of the isochron (line) and the original composition from the intercept of the isochron with the y-axis.")
![[[Thermal ionization mass spectrometer]] used in radiometric dating.](https://commons.wikimedia.org/wiki/Special:FilePath/Thermal ionization mass spectrometer.jpg?width=200 "[[Thermal ionization mass spectrometer]] used in radiometric dating.")
![β<sup>−</sup> decay]]. The final decay product, lead-208 (<sup>208</sup>Pb), is stable and can no longer undergo spontaneous radioactive decay.](https://commons.wikimedia.org/wiki/Special:FilePath/Thorium decay chain from lead-212 to lead-208.svg?width=200 "β<sup>−</sup> decay]]. The final decay product, lead-208 (<sup>208</sup>Pb), is stable and can no longer undergo spontaneous radioactive decay.")
A TECHNIQUE USED TO DATE MATERIALS SUCH AS ROCKS OR CARBON
Radioactive dating; Isotope dating; Radiometrically dated; Radioactive Dating; Rock dating; Isotopic dating; Rock Dating; Radiological dating; Radiogeology; Radioisotope dating; Radiation-Damage Dating; Radiodating; Radiometric age dating; Chemical dating; Isotopic date; Radioactive age dating; Radioisotopic dating; Radioisotopically dated; Radiochronometry; Radioisotopic
Radiometric dating, radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed. The method compares the abundance of a naturally occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay.
