29 lines
2.9 KiB
Markdown
29 lines
2.9 KiB
Markdown
---
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title: "Age of Earth"
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chunk: 6/6
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source: "https://en.wikipedia.org/wiki/Age_of_Earth"
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category: "reference"
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tags: "science, encyclopedia"
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date_saved: "2026-05-05T16:17:35.195311+00:00"
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instance: "kb-cron"
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---
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== Further reading ==
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Baadsgaard, H.; Lerbekmo, J. F.; Wijbrans, J. R.; Swisher III, C. C.; Fanning, M. (April 1993). "Multimethod radiometric age for a bentonite near the top of the Baculites reesidei Zone of southwestern Saskatchewan (Campanian–Maastrichtian stage boundary?)". Canadian Journal of Earth Sciences. 30 (4): 769–775. doi:10.1139/e93-063.
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Baadsgaard, H.; Lerbekmo, J. F.; McDougall, I. (July 1988). "A radiometric age for the Cretaceous–Tertiary boundary based upon K–Ar, Rb–Sr, and U–Pb ages of bentonites from Alberta, Saskatchewan, and Montana". Canadian Journal of Earth Sciences. 25 (7): 1088–1097. doi:10.1139/e88-106.
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Eberth, David A.; Braman, Dennis R.; Tokaryk, Tim T. (1990). "Stratigraphy, Sedimentology and Vertebrate Paleontology of the Judith River Formation (Campanian) Near Muddy Lake, West-Central Saskatchewan". Bulletin of Canadian Petroleum Geology. 38 (4): 387–406.
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Goodwin, Mark B.; Deino, Alan L. (July 1989). "The first radiometric ages from the Judith River Formation (Upper Cretaceous), Hill County, Montana". Canadian Journal of Earth Sciences. 26 (7): 1384–1391. doi:10.1139/e89-118.
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Gradstein, Felix M.; Agterberg, Frits P.; Ogg, James G.; Hardenbol, Jan; Veen, Paul Van; Thierry, Jacques; Huang, Zehui (1995). "A Triassic, Jurassic and Cretaceous Time Scale". Geochronology, Time Scales and Global Stratigraphic Correlation. doi:10.2110/pec.95.04.0095. ISBN 978-1-56576-091-2.
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Harland, W.B., Cox, A.V.; Llewellyn, P.G.; Pickton, C.A.G.; Smith, A.G.; and Walters, R., 1982. A Geologic Time Scale: 1982 edition. Cambridge University Press: Cambridge, 131p.
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Harland, W.B.; Armstrong, R.L.; Cox, A.V.; Craig, L.E.; Smith, A.G.; Smith, D.G., 1990. A Geologic Time Scale, 1989 edition. Cambridge University Press: Cambridge, p. 1–263. ISBN 0-521-38765-5
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Harper, C.W. Jr (1980). "Relative age inference in paleontology". Lethaia. 13 (3): 239–248. Bibcode:1980Letha..13..239H. doi:10.1111/j.1502-3931.1980.tb00638.x.
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Obradovich, J.D., 1993. A Cretaceous time scale. IN: Caldwell, W.G.E. and Kauffman, E.G. (eds.). Evolution of the Western Interior Basin. Geological Association of Canada, Special Paper 39, p. 379–396.
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Palmer, Allison R (1983). "The Decade of North American Geology 1983 Geologic Time Scale". Geology. 11 (9): 503–504. Bibcode:1983Geo....11..503P. doi:10.1130/0091-7613(1983)11<503:tdonag>2.0.co;2.
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Powell, James Lawrence, 2001, Mysteries of Terra Firma: the Age and Evolution of the Earth, Simon & Schuster, ISBN 0-684-87282-X
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== External links ==
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The Age of the Earth by Chris Stassen (TalkOrigins.org)
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USGS preface on the Age of the Earth
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NASA exposition on the age of Martian meteorites
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Ageing the Earth on In Our Time at the BBC
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Pre-1900 Non-Religious Estimates of the Age of the Earth |