origin and migration of the alpine iceman wolfgang m Üller, henry f ricke et al. in science 302,...
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![Page 1: Origin and Migration of the Alpine Iceman Wolfgang M ÜLLER, Henry F RICKE et al. in Science 302, p.862, 2003 presented by Ingmar Unkel IUP-Literaturseminar](https://reader030.vdocuments.us/reader030/viewer/2022032703/56649d155503460f949ea13e/html5/thumbnails/1.jpg)
Origin and Migration of the Alpine Iceman
Wolfgang MÜLLER, Henry FRICKE et al.
inScience 302, p.862, 2003
presented by Ingmar Unkel
IUP-Literaturseminar SS 2004
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Content
The local geological environment
The examined material
Stable isotopesO, C)
Radiogenic isotopes (Sr, Pb)
Conclusions
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The local geological environment
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Objective
Determination of Oetzi‘s
• birthplace
• habitat
• range of activity
Isotopic tracing based on the transfer of the isotopic signature of soils and waters into biominerals (via nutrition)
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The examined material
teeth (3x enamel, 1x dentine)
bone (femur – cortical and trabecular)
intestinal content
clothing and equipment (goat fur, lime bast, larch wood)
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The examined material
teeth
• canine, first and second premolar
• enamel, dentine
• age 3 to 5 years
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The examined material
bone
• femur
• cortical, age 20 to 30 years
• trabecular, age 32 to 40 years
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The examined material
intestine content
• last meal shortly before assassination
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stable isotopes
Provide information about
altitude, latitude or position relative to a watershed (O) or paleodiet (C)
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cool Atlantic influence, long transport
18O ~ -14-16‰
warm Mediterranean influence, short transport
18O ~ -11-13‰
lowering of 18O to the west
18 O – stable isotopes
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18 O – stable isotopes
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radiogenic isotopes
Refining how far south Oetzi lived, based on comparison to soil leachates of the 4 main lithologies
using: 87Sr/86Sr and 206Pb/204Pb
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radiogenic isotopes
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radiogenic isotopes
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discussion
18 O -10,6 ‰ first premolar
-11,0 ‰ canine
-11,7 to -11,4 ‰ bone
-11 to -13 ‰ southern waters
87Sr/86Sr 0,7203 to 0,7215
high ratios for enamel
0,7175 to 0,7184 bone
Sr-Pb isotopic composition is consistent with compositions of gneisses and phyllites
206Pb/204Pb 18,6 to 18,3 bone
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discussion
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discussion
postmortem alteration by meltwater• not observed in 18 O
• incipient in 87Sr/86Sr
12 white micas out of intestinal content• 40Ar/39Ar age distribution points at gneiss
lithology as living area
Most probable place of living during adulthood:
NW-SW of Merano
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Thank you !