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Table 2.3: Example of format used in the biostratigraphic templates. ‘Young age’ and ‘Old age’ allow entering two different values and obtain an age range for the event. The last two columns to the right are left blank and will be filled with depth information from each hole. B represents the first appearance datum (FAD), T the last appearance datum (LAD).

Hole 2.00 dd/mm/yy Author of file Comments
Group Event name Code Young age Old age Top Depth Bottom Depth
N B D. tamalis B Dta 3.8      
N B D. asymmetricus B Das 4.2      
N T A. primus T Apr 4.8      
N B C. rugosus B Cru 5 5.23