Textural and geochemical characteristics of late Pleistocene to Holocene fine-grained deep-sea sediment cores (GM6 and GM7), recovered from southwestern Gulf of Mexico

Anaya-Gregorio, Abigail; Armstrong-Altrin, John S.; Machain-Castillo, María Luisa; Montiel-García, Patricia C.; Ramos-Vázquez, Mayla A.

doi:10.1186/s42501-018-0005-3

Table 4 Trace element concentrations (ppm) for the deep sea sediments of the southwestern Gulf of Mexico

From: Textural and geochemical characteristics of late Pleistocene to Holocene fine-grained deep-sea sediment cores (GM6 and GM7), recovered from southwestern Gulf of Mexico

Core No.	GM6
Section (cm)	0–1	31–32	46–47	61–62	76–77	91–92	121–122	136–137	151–152	166–167	180–181
Ba	378	425	339	385	301	360	365	369	435	380	465
Co	26.2	25.5	22.1	23.7	18.9	23.6	24.8	21.9	19	22.8	21.7
Cr	73.1	75.6	78.6	81.7	69.1	88.1	85.5	79.6	79.9	81.8	76.9
Cs	7.4	5.64	7.89	5.78	7.31	7.93	6.54	7.22	4.89	8.32	4.79
Cu	22.5	22.8	23	22.6	19.9	22.8	21.8	20.1	20.8	21.8	22.9
Hf	3.31	3.21	3.45	3.45	2.99	3.64	2.98	3.42	3.16	3.21	3.07
Mo	6.62	1.2	1.4	1.4	0.737	1	1.1	0.755	1.3	0.853	1.4
Nb	12.5	10.5	13.5	11.8	11.8	13.6	12.6	13	12.5	13.4	12.7
Ni	23	23.5	21.7	23.8	18	21.4	24.6	21.3	25	17.8	26
Pb	24.8	15.9	24	17.9	16.2	15	16.4	14.1	17.9	16	14.8
Rb	100	99.5	102.1	98.7	92.1	107	102.5	94	86.8	107.1	103.5
Sc	14.1	12.7	15.3	14.6	12.9	15.3	13.8	14	12.9	14.8	10.8
Sr	322.6	389.2	379.7	356.4	318.9	496.9	310.8	523.7	376.9	357.8	365.5
Ta	0.449	0.436	0.497	0.48	0.45	0.401	0.86	0.497	1.25	0.447	0.75
Th	10.1	9.87	10.4	8.65	9.66	10.2	6.78	10	7.45	10.3	8.65
U	2.25	2.89	2.25	2.47	2.63	4.19	2.78	3.11	2.63	2.73	2.78
V	116.6	118.4	119.4	112.8	115.1	118.9	135.6	107	117.7	124.7	129.5
Y	22.2	25.6	24.1	9.85	21.1	25.4	19.6	24.2	18.7	24.2	8.39
Zn	375.1	77.7	47.9	89.7	20	26	78.6	19	79.7	22	68.5
Zr	119.2	88.7	133	79.7	109.4	138	96.3	127.7	112.4	126.8	102.5
V/Cr	1.60	1.57	1.52	1.38	1.67	1.35	1.59	1.34	1.47	1.52	1.68
Ni/Co	0.88	0.92	0.98	1.00	0.95	0.91	0.99	0.97	1.32	0.78	1.20
Cu/Zn	0.06	0.29	0.48	0.25	1.00	0.88	0.28	1.06	0.26	0.99	0.33
U_au	−1.10	−0.40	−1.21	−0.41	−0.59	0.80	0.52	−0.23	0.15	−0.69	−0.10
Section (cm)	196–197	210–211	222–223	226–227	241–242	256–257	300–301	316–317	330–331	Mean ± 1 s (n = 20)
Ba	359	336	360	378	287	355	276	385	379	366 ± 46
Co	21.5	24.4	22.5	19.3	23.8	21.3	29	20.9	19.6	22.6 ± 2.59
Cr	67.6	84.5	77.5	62.8	94.8	70.7	92.7	71.8	84.7	78.8 ± 8.28
Cs	7.5	6.92	6.95	7.05	6.78	7.12	6.35	8.02	5.84	6.81 ± 1.00
Cu	21.1	20.9	21.4	18.2	23.7	19.9	19.9	21.6	22	21.5 ± 1.39
Hf	3.31	3.07	3.13	3.06	3.02	3.27	3.18	3.33	3.45	3.24 ± 0.18
Mo	4.51	0.727	0.91	0.261	1.3	0.712	1.4	1.52	1.8	1.55 ± 1.46
Nb	12.6	12.5	12.1	9	13.1	12.9	13.5	13.3	13.8	12.5 ± 1.13
Ni	21.5	26.3	27.9	13.6	27.9	18.8	28.5	16.2	28.8	22.8 ± 4.3
Pb	22.8	13.8	13.4	15	22.8	14	24.7	18.8	25.7	18.2 ± 4.26
Rb	95.4	93.6	95.3	88.4	101.5	96.4	99.9	106	102.7	98.6 ± 5.78
Sc	13.9	14.3	12.9	12.2	11.9	12.6	12.4	14.1	10.5	13.3 ± 1.35
Sr	330.2	525.1	463	311.5	366.8	534.5	325.5	359.6	371.9	389 ± 76
Ta	0.51	0.445	0.353	0.145	0.46	0.46	0.56	0.393	0.54	0.52 ± 0.22
Th	10.1	9.49	9.21	9.97	9.45	9.92	9.78	10.4	10.5	9.54 ± 0.98
U	2.05	3.04	3.09	1.95	3.12	2.61	3.14	2.09	3.25	2.75 ± 0.52
V	118.2	107.6	108.4	94.1	136.5	101.1	139.5	117.6	140.6	119 ± 13
Y	22.2	23.2	22.7	20.2	10.4	23.7	27.7	23.7	8.65	20.3 ± 6.02
Zn	51.1	38.9	25	20	43.3	23	60.4	26	126.5	65.9 ± 78.5
Zr	118.5	117.5	121.3	105.8	99.7	122.1	78.6	126.1	102.4	111 ± 17
V/Cr	1.75	1.27	1.40	1.50	1.44	1.43	1.50	1.64	1.66	1.51 ± 0.13
Ni/Co	1.00	1.08	1.24	0.70	1.17	0.88	0.98	0.78	1.47	1.01 ± 0.19
Cu/Zn	0.41	0.54	0.86	0.91	0.55	0.87	0.33	0.83	0.17	0.57 ± 0.32
U_au	−1.33	−0.12	0.03	−1.37	−0.03	−0.70	−0.12	−1.38	−0.23	−0.42 ± 0.62
Core No.	GM7
Section (cm)	0–1	31–32	46–47	61–62	76–77	91–92	121–122	136–137	151–152	166–167	180–181
Ba	336	325	421	358	371	375	394	348	423	430	414
Co	18.8	19.4	21.5	16.6	20.1	17.5	20.8	19.2	21.5	24.3	22.4
Cr	65	75.4	66.9	78.5	70.3	42.8	69.8	59.8	79.8	69.4	82.6
Cs	7.21	6.89	7.38	6.45	7.92	6.55	6.67	6.49	6.87	7.61	7.36
Cu	18.7	19.6	20.1	20.5	20.5	17.8	20	18.3	23.5	21.6	19.7
Hf	3.17	2.78	3.36	2.65	3.27	3.05	3.1	3.06	3.26	3.16	3.45
Mo	0.736	0.756	0.746	0.814	0.864	0.752	0.745	0.71	0.478	0.267	0.642
Nb	11.3	13.5	13.4	10.7	12.9	10.9	12.6	10.6	14.6	13.1	13.8
Ni	13.6	33.6	18.4	28.6	15.5	19	21.3	15.9	34.2	15.8	31.6
Pb	17.5	14.9	14.3	17	17.6	13.7	13.2	13.2	16.4	17.6	13.5
Rb	93.7	95.7	97.7	78.6	104.2	88.1	90.6	87.9	81.7	99.7	79.4
Sc	12.3	11.7	13.2	12.5	13.6	11.6	13.2	11.2	13.7	13.8	11.5
Sr	318.6	456.4	523.6	478.3	371.2	500.7	557.9	403.5	298.5	353.6	345.7
Ta	0.405	1.25	0.509	0.69	0.419	0.374	0.465	0.324	0.56	0.433	0.48
Th	10.1	11.7	10.6	9.58	10.5	9.86	9.5	9.02	9.68	9.88	9.48
U	2.04	2.31	3.12	2.18	2.07	2.69	2.73	3.24	2.64	1.95	2.16
V	103.9	125.4	104.8	140.3	118.1	84.8	99.1	95	98.6	112.7	175.6
Y	20.6	28.7	23.4	23.5	23	21.1	22.6	20.3	21.5	22.9	20.7
Zn	23.1	42.4	21	41.6	25	20	20	34.6	19.6	23	18.5
Zr	105.3	110.6	124.3	14.8	120.3	107.6	118.5	108.9	99.6	121.4	125.6
V/Cr	1.60	1.66	1.57	1.79	1.68	1.98	1.42	1.59	1.24	1.62	2.13
Ni/Co	0.72	1.73	0.86	1.72	0.77	1.09	1.02	0.83	1.59	0.65	1.41
Cu/Zn	0.81	0.46	0.96	0.49	0.82	0.89	1.00	0.53	1.20	0.94	1.06
U_au	−1.31	−1.57	−0.41	−1.01	−1.43	−0.60	−0.43	0.23	−0.59	−1.34	−1.00
Section (cm)	196–197	210–211	222–223	226–227	241–242	256–257	300–301	316–317	330–331	Mean ± 1 s (n = 20)
Ba	379	426	327	352	387	349	315	399	325	373 ± 38
Co	21.7	24.7	16	19.5	27.9	14.9	28.6	27.5	29.5	21.6 ± 4.27
Cr	77.3	74.7	57.5	69.6	68.6	51.3	71.9	108.6	75	70.7 ± 13.2
Cs	8.43	5.64	6.45	7.82	4.35	6.59	3.65	7.29	3.12	6.54 ± 1.39
Cu	22.2	19.8	16.9	21.4	21.6	20.2	22.3	24.3	21.5	20.5 ± 1.85
Hf	3.43	2.78	2.94	3.27	2.86	3.2	2.76	3.66	3.15	3.12 ± 0.26
Mo	0.888	0.812	0.679	0.969	0.843	1.24	0.972	0.973	0.856	1.21 ± 1.09
Nb	14.2	13.8	11.5	12.8	14.6	12.6	13.8	15.4	13.3	13.0 ± 1.37
Ni	17.1	29.8	24.3	21.6	35.4	20.1	39.8	29.5	32.1	24.8 ± 7.99
Pb	16.8	14.4	13.3	16.8	16.8	25.9	17.6	15.8	18.7	16.2 ± 2.88
Rb	107.2	83.6	88.8	100.9	92.5	90.5	98.6	100.6	97.7	93 ± 8.2
Sc	15.4	12.9	10.1	14.1	13.7	11.3	11.8	19.2	12.6	13 ± 1.9
Sr	347.4	412.4	561.4	335	432.5	350.6	416.4	459.1	468.4	420 ± 79
Ta	0.518	1.65	0.381	0.504	0.68	0.512	0.46	0.526	0.47	0.58 ± 0.32
Th	10.6	10.7	9.56	10.3	8.49	9.88	10.8	10.6	9.34	10 ± 0.72
U	2.44	2.34	2.75	2.95	2.17	2.67	2.62	3.07	2.49	2.53 ± 0.38
V	122.3	123.5	87.5	116	118.6	101.6	137.6	153.6	103.5	116 ± 23
Y	24.8	21.8	21	22.7	21.6	22.9	22.8	26.7	23.9	22.8 ± 2.07
Zn	53	26.5	42.8	263.8	43.6	38.2	69.8	50.6	57.4	47 ± 53
Zr	133	134.3	101.2	118.4	89.5	101.8	110.5	152.8	114.3	111 ± 27
V/Cr	1.58	1.65	1.52	1.67	1.73	1.98	1.91	1.41	1.38	1.66 ± 0.22
Ni/Co	0.79	1.21	1.52	1.11	1.27	1.35	1.39	1.07	1.09	1.16 ± 0.33
Cu/Zn	0.42	0.75	0.39	0.08	0.50	0.53	0.32	0.48	0.37	0.65 ± 0.30
U_au	−1.08	−1.21	−0.44	−0.47	−0.66	−0.62	−0.97	−0.45	−0.62	−0.80 ± 0.44

Refer to Table 1, for water depth, latitude and longitude. Authigenic uranium U_au = Total U – Th/3

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