Table 14. Ages for reversals in the mid-Pliocene, estimated for Sites 850 and 851. 
Event	 Hole 850A	 Hole 850B	 Hole 851B	 Hole 851C	 Hole 851E	 Mean	 Event
C2n.1r(t)	 3.043	 3.048	 3.044	 N.D.	 3.049	 3.046	 Kaena (t)
C2n.1r(o)	 3.133	 3.133	 3.124	 3.132	 3.131	 3.131	 Kaena (o)
C2n.2r(t)	 3.224	 3.219	 3.230	 3.222	 3.233	 <|>3.233a	 Mammoth (t)
C2n.2r(o)	 3.333	 3.329	 3.327	 3.331	 3.335	 3.331	 Mammoth (o)
C2n(o)	 3.595	 3.596	 3.594	 3.592	 3.591	 3.594	 Gauss (o)
C3n.1n(t)	 N.D.	 N.D.	 4.194	 4.208	 4.208	 **	 Cochiti (t)
C3n.1n(o)	 N.D.	 N.D.	 4.322	 N.D.	 4.320	 **	 Cochiti (o)
a At C2n.2r(t),  the GRAPE density signal is much clearer at Hole 851E than at the other holes,  so that we have taken the estimate for that hole, rather than the mean. (t) = termination and (o) =  onset. ** See Table 15.