Mike Horne FGS
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A geological timescale for East Yorkshire |
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Stage |
Age in millions of years (at base) |
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Quaternary |
2 |
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Tertiary |
Danian (earliest stage) |
65 |
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Late Cretaceous |
Maastrichtian |
83MA |
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Campanian |
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Santonian |
91 MA |
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Coniacian |
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Turonian |
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Cenomanian |
97.5 MA |
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Early Cretaceous |
Albian |
113 MA |
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Aptian |
144 MA |
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Barremian |
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Huaterivian |
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Valanginian |
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Berriasian |
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Late Jurassic |
Tithonian |
163MA |
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Kimmeridgian |
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Oxfordian |
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Middle Jurassic |
Bathonian |
188 MA |
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Bajocian |
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Early Jurassic |
Aalenian |
213 MA |
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Toarcian |
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Pliensbachian |
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Sinemurian |
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Hettangian |
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Triassic |
Rhaetian (latest stage) |
(dates from A Geologic Time Scale, CUP, 1982) |
copyright Mike Horne - October 2016