SEDIMENTOLOGIA & GEOLOGIA MARINA - Facoltà di Architettura
SEDIMENTOLOGIA & GEOLOGIA MARINA - Facoltà di Architettura
SEDIMENTOLOGIA & GEOLOGIA MARINA - Facoltà di Architettura
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COSA SI DATA?<br />
IL TEMPO DI SEPPELLIMENTO<br />
(OVVERO L’ULTIMO MOMENTO DI ESPOSIZIONE ALLA LUCE:<br />
Se<strong>di</strong>ment was last exposed to light<br />
Ceramics (or stones) were last heated<br />
Age (Ka)= Equivalent dose (De) ) Gy<br />
Dose rate (Gy/Ka)<br />
1 Gy = 1 J / kg<br />
1 ka = 1000 years<br />
Assumptions<br />
(i)<br />
(i)<br />
no trapped charge when the se<strong>di</strong>ment was deposited or<br />
ceramic was heated (i.e. fully reset, bleached or zeroed).<br />
dose rate has been constant through time.