Determination of Provenance and Tectonic Settings of Niger Delta Clastic Facies Using Well-Y, Onshore Delta State, Nigeria

Table 3

Table of various elemental ratios.

Sample (in meters)	Lithology	K/Cs ratio	Th/U ratio	Cr/Th	Th/Co	Al2O3/SiO2	La/Sc	Th/Sc
1160–1180	Sand	0.2	4.9	2.9	1.8	17	7.42	2.83
1560–1580	Sand	0.3	4.3	2.7	1.9	15	7.36	2.36
1960–1980	Sand	0.4	4.0	3.8	0.8	17	5.75	2.00
2960–2980	Shale	1.1	3.4	6.5	0.4	17	5.22	1.72
3960–3980	Shale	1.1	3.5	7.1	0.8	16	4.24	1.39
4560–4580	Shale	1.0	3.7	7.7	0.8	19	3.69	1.21
5460–5480	Shale	2.0	4.8	16.6	0.4	13	3.64	1.52
5760–5780	Shale	1.3	4.8	14.1	0.3	8	2.18	1.32
6160–6180	Shale	0.9	4.0	9.9	0.7	18	3.09	0.91
7060–7080	Sand	3.2	5.2	23.5	0.2	10	4.68	1.37
7260–7280	Sand	3.3	1.5	55.3	0.1	15	1.70	0.63
7560–7580	Sand	2.9	2.8	56.8	0.1	18	2.06	0.71
7760–7780	Shale	2.0	4.1	8.6	0.5	15	3.29	1.35
7960–7980	Shale	3.3	3.1	75.5	0.1	18	2.03	0.76
8060–8080	Shale	1.4	3.1	12.1	0.3	18	4.50	1.89
8160–8180	Sand	1.6	4.3	8.0	0.5	16	6.17	2.21
8560–8580	Sand	2.3	4.8	51.8	0.1	20	4.60	1.52
8960–8980	Shale	1.9	4.3	9.4	1.2	15	4.13	1.59
10,360–10,380	Shale	3.4	6.0	7.0	0.6	15	7.15	2.54
11,060–11,080	Shale	1.1	5.3	9.2	0.5	17	4.04	1.09
11,460–11,480	Shale	0.8	4.7	10.7	0.4	16	2.68	0.83
Average		1.7	4.1	19.0	73.7	15.9