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Lecture 2

CLST 129 Lecture Notes - Lecture 2: Radiocarbon Dating, Carbon-14


Department
Classical Studies
Course Code
CLST 129
Professor
Prof.
Lecture
2

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Week 23 lec 2 Mar 20
April-15-13
8:50 PM
Radio carbon dating
During a lifetime of an organism it absorbs isotopes of carbon (carbon 14) organism dies starts to
realise carbon at known rate
There is always a level of error when counting atoms in a specimen
Results come in a plus or minus range
Classical archaeologists don't use much
Have to be sensitive to contamination
Have to be willing to destroy part of artifact
Carborn 14 very expensive
Van provide data when no other data
Can be used in any part of the world
Can be used to authenticate fake and reals
Thermoluminescec TL
Measures the amount of radiation absorbed by inorganic materials
Heat to high temp radiation expelled
By measuring radiation able to estimate how long till it was fired in kiln
Not very precise, in devlp. Stage
Able to tell fakes from reals
Archaomagnatoc dating
When heated particles realign with magnetic poles of eath
The wobble with the earths magnetic field and because particles in vessel can be approximate
date
If they don’t have anything better
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