Griffith & Brydone (1911); Brydone (1912) - Belemnitella mucronata Zone: Difference between revisions
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'''Biostratigraphical correlation''': Equates with the topmost ''G. quadrata'' Zone and ''B.'' ''mucronata'' Zone, or is co-extensive with the ''B. mucronata'' Zone of current usage (Griffith & Brydone, 1911; Brydone, 1912; Wood, WH/95/31R). | '''Biostratigraphical correlation''': Equates with the topmost ''G. quadrata'' Zone and ''B.'' ''mucronata'' Zone, or is co-extensive with the ''B. mucronata'' Zone of current usage (Griffith & Brydone, 1911; Brydone, 1912; Wood, WH/95/31R). | ||
Latest revision as of 15:09, 30 September 2013
Biostratigraphical correlation: Equates with the topmost G. quadrata Zone and B. mucronata Zone, or is co-extensive with the B. mucronata Zone of current usage (Griffith & Brydone, 1911; Brydone, 1912; Wood, WH/95/31R).
Lithostratigraphical correlation: Equates with all but the basal part of the Portsdown Chalk Formation of southern England.
Age: Campanian