The BGS Lexicon of Named Rock Units — Result Details
Middle Chalk Formation and Upper Chalk Formation (Undifferentiated)
Computer Code: | MUCK | Preferred Map Code: | notEntered |
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Status Code: | Index Level | ||
Age range: | Turonian Age (KT) — Campanian Age (KC) | ||
Lithological Description: | Names remain in informal use but are generally regarded as obsolete. Composite consisting of two or more rock units. See the entries for the constituent units for more information. | ||
Definition of Lower Boundary: | none recorded or not applicable | ||
Definition of Upper Boundary: | none recorded or not applicable | ||
Thickness: | none recorded or not applicable | ||
Geographical Limits: | none recorded or not applicable | ||
Parent Unit: | Chalk Group (CK) | ||
Previous Name(s): | Upper Chalk Formation And Middle Chalk Formation (Undifferentiated) [Obsolete Code: Use MUCK]
(UMCK)
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Alternative Name(s): | Upper Chalk Formation Middle Chalk Formation |
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Stratotypes: | |||
none recorded or not applicable | |||
Reference(s): | |||
none recorded or not applicable | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E130 E241 E269 |