Los ntawm Wikipedia, phau ntawv qhia dawb. Radiometric dating, radioactive dating los yog radioisotope dating yog cov txheej txheem uas yog siv rau niaj hnub cov ntaub ntawv xws li pob zeb los yog carbon, nyob rau hauv cov kab mob radioactive impurities tau xaiv incorporated thaum lawv tsim.
Lub moos xov tooj cua yog dab tsi?
txhawm rau tsim lub hnub nyoog ntawm pob zeb lossis pob txha pob txha, cov kws tshawb fawb siv qee hom moos los txiav txim hnub nws tau tsim. Geologists feem ntau siv cov xov tooj cua sib tham hauv xov tooj cua, raws li cov khoom siv hluav taws xob zoo nkauj ntawm qee yam xws li cov poov tshuaj thiab cov pa roj carbon monoxide, ua cov moos txhim khu kev qha rau hnub tim cov xwm txheej qub.
Dab tsi yog xov tooj cua sib tham siv rau?
Txhawm rau txiav txim siab hnub nyoog hauv xyoo ntawm lub ntiaj teb cov ntaub ntawv thiab lub sijhawm ntawm cov xwm txheej geological xws li exhumation thiab subduction, geologists siv cov txheej txheem ntawm radiometric decay. Geologists siv cov hnub no txhawm rau txheeb xyuas cov ciam teb ntawm lub sijhawm geological uas tau pom nyob rau ntawm lub sijhawm geology.
Kev sib tham xov tooj cua zoo li cas?
Radiometric Dating
Nws yog raws li kev sib piv ntawm qhov pom muaj ntau ntawm cov xov tooj cua uas tshwm sim los ntawm isotope thiab nws cov khoom lwj, siv cov nqi decay paub. … Cov txheej txheem xov tooj cua uas paub zoo tshaj plaws suav nrog kev sib tham xov tooj cua, xov tooj cua-argon dating, thiab uranium-lead dating.
Koj suav hnub nyoog xov tooj cua li cas?
D=D0 + DYog li ntawd, D=D0 + N (e λ t –1) los yog, rau me me λ t, D=D0 + N λ t, Qhov no yog qhov yooj yim radioactive decay kab zauv siv los txiav txim hnub nyoog ntawm pob zeb, minerals thiab cov isotopes lawv tus kheej. D thiab N tuaj yeem ntsuas tau thiab λ tau raug sim txiav txim siab rau ze li txhua tus paub tsis ruaj tsis khov nuclides.
