Revised stratigraphy of Neogene strata in the Cocinetas Basin, La Guajira, Colombia

Swiss Journal of Palaeontology

Table 2 Strontium isotope data and age estimates from Cocinetas Basin, Colombia

Unit	Section	Height (m)	Sample	Taxon	⁸⁷Sr/⁸⁶Sr	Age (Ma)^a	Range (Ma)^a
Jimol	290432	35	17068	Anadara guajiraensis	0.7086413	17.33	16.96–17.65
Jimol	290432	35	17068	Anadara guajiraensis	0.7086331	17.45	17.10–17.75
Jimol	290432	66	16882	Turritella matarucana	0.7086293	17.51	17.16–17.80
Jimol	290432	66	16882	Turritella matarucana	0.7086679	16.89	16.48–17.27
Castilletes	430103	104	17049	Crassostrea sp.	0.7087012	16.31	15.93–16.71
Castilletes	430103	104	17049	Anadara guajiraensis	0.708706	16.22	15.85–16.62
Castilletes	430103	104	17073	Crassostrea sp.	0.7086964	16.33	16.01–16.80
Castilletes	430103	104	17073	Phacoides sp.	0.7087145	16.07	15.71–16.46
Castilletes	170514	98	16918	Anadara guajiraensis	0.708774	15.14	14.50–15.51
Castilletes	170514	98	16918	Anadara guajiraensis	0.708766	15.29	14.79–15.64
Castilletes	170514	98	16918	Anadara guajiraensis	0.708759	15.39	14.97–15.75
Castilletes	170514	98	16918	Anadara guajiraensis	0.708767	15.27	14.76–15.62
Castilletes	170514	99	16885	Glyptoactis paraguana	0.708756	15.43	15.04–15.79
Ware	430052	21	10347	Crassostrea virginica	0.7091014	1.57	1.22–2.24
Ware	430052	21	10347	Crassostrea virginica	0.7090591	3.28	2.12–4.99
Ware	430052	21	10347	Plicatula gibbosa	0.7090639	2.78	1.93–4.82
Ware	430052	21	10347	Euvola codercola	0.7090584	3.4	2.15–5.03
Ware	430120	22	16880	Argopecten sp.	0.7090104	5.71	5.09–6.10
Ware	430120	22	16880	Plicatula gibbosa	0.709058	3.4	2.15–5.03