Fibres and cellular structures preserved in 75-million-year-old dinosaur specimens
Spectroscopic Analysis of a Theropod Dinosaur (Reptilia, Archosauria) from the Ipubi Formation,...
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Transcript of Spectroscopic Analysis of a Theropod Dinosaur (Reptilia, Archosauria) from the Ipubi Formation,...
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Inte
nsity
(a.u
.)
Energy (keV)
CO
FeNa
P
CaFossil
CaS
0 2 4 6 8 10
Inte
nsity
(a.u
.)
Energy (keV)
Matrix stone
CO Mg AlP S K
Ca
CaFeFe
0 2 4 6 8 10
(a) (b)
10 20 30 40 50 60
Inte
nsity
(a.u
.)
∗ ∗ ∗∗ ∗∗
∗
∗
2 (degrees)
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1400 1200 1000 800 600
FossilIn
tens
ity (a
.u.)
Wavenumber (cm− 1)
8 7
6
54
3 2
1
1400 1200 1000 800 600
Matrix stone
Inte
nsity
(a.u
.)
Wavenumber (cm− 1)
87
6
54 3
21
(a) (b)
Fossil
100
98
96
94
92
Mas
s los
s (%
)
0 200 400 600 800 1000 1200Temperature (
0.1
0.08
0.06
0.04
0.02
0
DTG
(%/
C)
101369
766
3%
2%
4%
∘C)
1
0.8
0.6
0.4
0.2
0
Matrix stone
100
Mas
s los
s (%
)
0 200 400 600 800 1000Temperature (
DTG
(%/
C)
90
80
70
60
5059 108
410
756
2%
19%
26%
∘C)
(a) (b)
∘ ∘
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