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Ressources naturelles Canada > Secteur des sciences de la Terre > Commission géologique du Canada > Datation au carbone 14
Datation au carbone 14 Comparaison entre divers types de matériaux et les feuilles d'érable « modernes » Le laboratoire de datation radio carbone de la Commission géologique du Canada a cessé ses opérations à la fin de 2005. Ce site sera maintenu afin de fournir l'information sur les échantillons datés au cours des 45 années de fonctionnement de ce laboratoire de la CGC.
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Material |
C-13 |
C-14 |
C-14 |
pMC |
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%o |
%o |
%o |
% |
| 1966 |
September |
maple leaves (Gatineau Park) |
-27.1 |
732 |
739 |
174 |
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corn leaves (Ottawa) |
-11.1 |
751 |
703 |
170 |
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corn leaves (Manitoba) |
-10.9 |
755 |
705 |
171 |
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corn kernels (Ottawa) |
-9.5 |
746 |
692 |
169 |
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corn kernels (Manitoba) |
-9.3 |
770 |
714 |
171 |
| 1967 |
September |
maple leaves (Gatineau Park) |
-28.1 |
645 |
656 |
166 |
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maple leaves (Ottawa) |
-26.1 |
659 |
663 |
166 |
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corn leaves (Ottawa) |
-11.1 |
684 |
637 |
164 |
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corn leaves (Manitoba) |
-10.9 |
703 |
655 |
166 |
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corn kernels (Ottawa) |
-9.7 |
672 |
620 |
162 |
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corn kernels (Manitoba) |
-9.5 |
689 |
637 |
164 |
| 1968 |
September |
maple leaves (Gatineau Park) |
-26.3 |
616 |
620 |
162 |
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maple leaves (Ottawa) |
-24.3 |
611 |
608 |
161 |
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corn leaves (Ottawa) |
-11.0 |
632 |
587 |
159 |
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corn kernels (Ottawa) |
-9.3 |
627 |
575 |
158 |
| 1969 |
June |
maple leaves (Gatineau Park) |
-24.6 |
594 |
593 |
159 |
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balsam (Gatineau Park) |
-22.8 |
594 |
587 |
159 |
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July |
maple leaves (Gatineau Park) |
-25.2 |
589 |
590 |
159 |
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hemlock (Gatineau Park) |
-27.7 |
632 |
641 |
164 |
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August |
maple leaves (Gatineau Park) |
-26.9 |
592 |
598 |
160 |
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spruce (Gatineau Park) |
-27.4 |
588 |
595 |
160 |
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September |
maple leaves (Gatineau Park) |
-26.8 |
575 |
580 |
158 |
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fern (Gatineau Park) |
-28.8 |
577 |
589 |
159 |
| 1970 |
July |
maple leaves (Gatineau Park) |
-28.3 |
533 |
543 |
154 |
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willow (Ellesmere Is., NWT) |
-27.8 |
565 |
574 |
157 |
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August |
maple leaves (Gatineau Park) |
-28.3 |
539 |
549 |
155 |
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willow (Ellesmere Is., NWT) |
-27.9 |
559 |
568 |
157 |
| 1971 |
July | maple leaves (Gatineau Park) |
-27.2 |
523 |
529 |
153 |
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birch (Inuvik, NWT) |
-26.9 |
514 |
520 |
152 |
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August |
maple leaves (Gatineau Park) |
-26.4 |
544 |
548 |
155 |
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birch (Inuvik, NWT) |
-27.8 |
521 |
529 |
153 |
| 1980 |
May |
maple leaves (Gatineau Park) |
-27.7 |
317 |
324 |
132 |
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maple leaves (Guelph) |
-25.6 |
320 |
322 |
132 |
La Commission de la Capitale nationale a autorisé la collecte de matériaux dans le parc de la Gatineau.
cf. Lowdon, J.A. and Dyck, W. 1974: Seasonal Variation in the Isotope Ratios of Carbon in Maple Leaves and Other Plants CJES, v. 11, p. 79-88
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