Puas yog txoj kev sib tham chronometric?

Cov txheej txheem:

Puas yog txoj kev sib tham chronometric?
Puas yog txoj kev sib tham chronometric?

Video: Puas yog txoj kev sib tham chronometric?

Video: Puas yog txoj kev sib tham chronometric?
Video: Txoj kev sib deev puas tsau koj plab 3/29/2019 2024, Kaum ib hlis
Anonim

Chronometric dating, tseem hu ua chronometry lossis kev sib tham tsis meej, yog txhua yam kev sib tham archaeological uas ua rau muaj txiaj ntsig hauv daim ntawv qhia hnub ua ntej lub sijhawm tam sim noArchaeologists thiab cov kws tshawb fawb siv txoj kev sib tham meej ntawm cov qauv xws li los ntawm cov pob txha ua ntej keeb kwm mus rau cov khoom qub los ntawm keeb kwm tsis ntev los no.

Puas yog dendrochronology yog ib qho kev sib tham chronometric?

Dendrochronology. Cov txheej txheem chronometric no yog cov cuab yeej sib tham meej tshaj plaws muaj rau cov kws tshawb fawb keeb kwmuas ua haujlwm hauv thaj chaw uas cov ntoo tshwj xeeb teb rau txhua xyoo kev hloov pauv hauv nag lossis daus, xws li Asmeskas Qab Teb Hnub Tuaj.

Dab tsi tuaj yeem Chronometric yos qhia rau peb?

Txoj kev, lossis kev sib tham chronometric Qhia hnub nyoog, ntsuas hauv xyoo, ntawm cov khoom, khoom lossis xwm txheejChronometric dating method (saib daim duab 88) siv ntau yam kev ntsuas lub cev lossis tshuaj ntsuam xyuas kom paub meej lub sijhawm thaum muaj xwm txheej tshwm sim lossis thaum cov ntaub ntawv thiab cov khoom raug tsim, siv, lossis hloov pauv.

Dab tsi yog qhov zoo tshaj plaws chronometric dating txheej txheem siv?

Txoj kev chronometric rau archaeology yog radiocarbon dating (Daim duab 7.32). Txoj kev no yog ua raws li kev lwj ntawm 14 C, uas yog ib qho tsis ruaj khov ntawm cov pa roj carbon. Nws yog tsim thaum nitrogen 14 (14 N) cuam tshuam nrog cosmic rays, uas ua rau nws hloov mus rau 14C.

Puas yog fluorine yos ib txoj kev sib tham chronometric?

Fluorine dating yog ib txoj hauv kev uas ntsuas cov tshuaj fluoride absorbed los ntawm cov pob txha txhawm rau txiav txim siab lawv cov hnub nyoog ntawm cov txheeb ze. Tsis zoo li txoj kev sib tham xov tooj cua, nws tsis tuaj yeem muab chronometric(los yog daim ntawv qhia hnub) hnub.

Pom zoo: