The effects of meteoric diagenesis on the geochemical composition and microstructure of Pliocene fossil Terebratalia coreanica and Laqueus rubellus brachiopod shells from northeastern Japan

Fujioka, Hiroshi; Takayanagi, Hideko; Yamamoto, Koshi; Iryu, Yasufumi

doi:10.1186/s40645-019-0289-7

Progress in Earth and Planetary Science

Table 1 Modern and fossil Terebratalia coreanica and Laqueus rubellus δ¹³C and δ¹⁸O values and minor-element concentrations

From: The effects of meteoric diagenesis on the geochemical composition and microstructure of Pliocene fossil Terebratalia coreanica and Laqueus rubellus brachiopod shells from northeastern Japan

	Interval 1			Interval 2			Interval 3
Sample No.	Range	Average	Median	Range	Average	Median	Range	Average	Median
T. coreanica
δ¹³C (‰ VPDB)
OTTCo	− 0.15 to 1.38	0.56	0.45	1.01 to 1.36	1.19	1.19	0.65 to 1.17	1.03	1.05
MNTCo1	−2.02 to 1.69	−0.43	−0.46	2.10 to 2.40	2.19	2.13	−2.98 to 1.70	0.31	0.84
MNTCo2	−2.30 to 1.30	−0.64	− 0.93	1.17 to 2.15	1.81	1.96	0.06 to 0.65	0.34	0.28
MNTCo3	−2.78 to 1.59	−0.05	− 0.07	0.59 to 1.98	1.57	1.73	−3.31 to 0.46	−1.16	−0.94
MNTCo4	−1.76 to 0.65	− 0.25	− 0.25	− 0.03 to 2.43	1.21	1.01	−0.10 to 0.54	0.22	0.22
MNTCo5	−1.89 to 2.08	0.16	0.00	−0.01 to 2.14	1.23	1.22	0.27 to 1.19	0.77	0.82
δ¹⁸O (‰ VPDB)
OTTCo	−0.12 to 1.75	1.04	1.12	1.17 to 1.43	1.36	1.41	0.93 to 1.75	1.39	1.47
MNTCo1	−0.42 to 2.18	1.18	1.35	2.06 to 2.13	2.08	2.07	−0.21 to 2.00	1.34	1.76
MNTCo2	0.51 to 1.42	1.00	1.07	0.98 to 1.48	1.29	1.35	0.97 to 1.54	1.20	1.18
MNTCo3	0.50 to 1.62	1.11	1.22	0.93 to 1.64	1.37	1.35	0.10 to 1.36	0.70	0.75
MNTCo4	−0.26 to 1.60	0.70	0.60	0.69 to 1.91	1.55	1.63	1.06 to 1.53	1.31	1.32
MNTCo5	0.41 to 1.83	1.33	1.38	0.99 to 1.97	1.57	1.67	1.33 to 1.61	1.51	1.55
Mn (ppm)
OTTCo	2 to 10	5	4	3 to 7	4	3	2 to 8	5	5
MNTCo1	80 to 2000	480	240	90 to 260	160	130	380 to 3000	1200	1100
MNTCo2	270 to 1900	770	700	390 to 3300	1100	420	580 to 2300	1600	1700
MNTCo3	170 to 1800	450	240	290 to 1300	530	390	1600 to 2500	1900	1700
MNTCo4	150 to 440	250	250	180 to 1700	700	570	790 to 1400	1100	1100
MNTCo5	150 to 1000	450	400	230 to 2700	910	770	600 to 1600	1000	890
Fe (ppm)
OTTCo	30 to 1100	250	110	50 to 800	250	70	50 to 360	150	70
MNTCo1	590 to 5800	1800	1200	1200 to 1900	1500	1300	2000 to 6900	3900	2900
MNTCo2	200 to 2000	680	530	240 to 2400	870	400	860 to 3600	1800	1500
MNTCo3	200 to 4400	1300	770	220 to 970	470	400	1200 to 3200	2000	1500
MNTCo4	310 to 1500	670	580	870 to 3300	2000	1900	3800 to 4200	4000	4000
MNTCo5	1400 to 4900	2600	2100	1100 to 4700	2300	2000	2200 to 4200	3200	3400
Sr (ppm)
OTTCo	810 to 1100	980	960	880 to 1000	960	960	890 to 1000	970	980
MNTCo1	820 to 1000	910	920	860 to 950	910	920	810 to 960	910	910
MNTCo2	730 to 950	850	850	840 to 940	890	890	850 to 920	890	880
MNTCo3	790 to 1000	900	910	820 to 920	870	870	810 to 870	830	830
MNTCo4	890 to 1100	980	970	780 to 990	880	870	830 to 940	890	890
MNTCo5	790 to 1000	890	880	820 to 910	860	860	850 to 880	860	860
L. rubellus
δ¹³C (‰ VPDB)
SGLR	0.52 to 1.57	1.06	1.09	1.49 to 1.94	1.68	1.68	1.28 to 1.96	1.56	1.59
MNLR1	−0.97 to 2.12	0.80	1.07	1.89 to 2.39	2.07	1.93	–	–	–
MNLR2	−1.41 to 1.74	0.21	0.33	−0.26 to 1.86	1.02	1.46	−1.51 to 0.57	−0.52	−0.41
MNLR3	−3.58 to 1.89	−0.57	−0.32	1.94 to 2.42	2.21	2.27	0.45 to 1.23	0.73	0.64
MNLR4	−2.65 to 0.42	−1.32	−1.50	−0.23 to 1.87	0.85	0.84	−2.82 to 0.58	−1.24	−1.49
MNLR5	−1.69 to 2.06	0.69	0.33	−1.15 to 2.23	1.10	1.60	−1.87 to 1.07	−0.21	0.18
δ¹⁸O (‰ VPDB)
SGLR	0.26 to 0.94	0.60	0.61	0.55 to 0.93	0.74	0.73	0.26 to 0.81	0.53	0.43
MNLR1	1.14 to 2.09	1.67	1.71	2.09 to 2.33	2.19	2.17	–	–	–
MNLR2	0.74 to 1.79	1.16	1.16	0.91 to 1.96	1.53	1.73	0.24 to 1.44	0.73	0.66
MNLR3	0.03 to 1.50	0.88	1.04	1.54 to 1.85	1.69	1.68	0.96 to 1.57	1.15	0.98
MNLR4	0.29 to 1.31	0.83	0.86	1.19 to 2.00	1.59	1.55	0.53 to 1.66	1.01	0.83
MNLR5	0.63 to 1.92	1.34	1.42	0.56 to 2.12	1.61	2.00	0.31 to 1.44	0.95	1.10
Mn (ppm)
SGLR	4 to 20	9	7	6 to 10	8	7	10 to 30	20	10
MNLR1	150 to 760	370	310	260 to 500	380	370	–	–	–
MNLR2	170 to 1100	620	650	180 to 1200	610	530	450 to 2000	1300	1300
MNLR3	130 to 2700	1100	680	170 to 260	210	200	800 to 2100	1300	1200
MNLR4	490 to 1900	1100	930	260 to 700	380	280	410 to 1700	1200	1300
MNLR5	160 to 940	410	340	120 to 1900	710	240	760 to 1000	900	920
Fe (ppm)
SGLR	70 to 10,100	1300	620	70 to 1200	310	120	100 to 3600	1100	510
MNLR1	410 to 3900	1000	640	1200 to 3200	2000	1600	–	–	–
MNLR2	180 to 5000	1100	400	230 to 750	500	500	1300 to 5800	3200	2800
MNLR3	340 to 2700	1200	1200	440 to 4900	1900	510	2000 to 4200	2800	2600
MNLR4	600 to 1500	1100	1000	400 to 940	640	610	900 to 3400	2500	2900
MNLR5	510 to 3100	1300	1000	830 to 4700	2000	1600	2700 to 5100	3500	3200
Sr (ppm)
SGLR	860 to 1100	990	1000	800 to 860	830	820	870 to 980	920	930
MNLR1	930 to 1000	980	970	880 to 920	900	900	–	–	–
MNLR2	850 to 1000	920	930	830 to 890	860	850	820 to 970	890	880
MNLR3	730 to 1000	870	890	850 to 860	850	850	810 to 1000	890	890
MNLR4	800 to 880	840	830	830 to 870	850	850	730 to 940	820	800
MNLR5	870 to 970	920	920	800 to 890	840	830	900 to 1000	950	950

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