|
A geological timescale for East Yorkshire |
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|
Stage |
Age in millions of years (at base) |
|
|
Quaternary |
2 |
|
|
Tertiary |
Danian (earliest stage) |
65 |
|
Late Cretaceous |
Maastrichtian |
83MA |
|
Campanian |
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|
Santonian |
91 MA |
|
|
Coniacian |
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|
Turonian |
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|
Cenomanian |
97.5 MA |
|
|
Early Cretaceous |
Albian |
113 MA |
|
Aptian |
144 MA |
|
|
Barremian |
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|
Huaterivian |
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|
Valanginian |
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|
Berriasian |
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|
Late Jurassic |
Tithonian |
163MA |
|
Kimmeridgian |
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|
Oxfordian |
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|
Middle Jurassic |
Bathonian |
188 MA |
|
Bajocian |
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|
Early Jurassic |
Aalenian |
213 MA |
|
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) |