Citation:

PANGAEA.954873

Name: Geochemical study of beachrocks and hybrid carbonates deposited during the Holocene in southeastern Brazil
Published: 2023-01-25
License: https://creativecommons.org/licenses/by/4.0/
Keywords: beach sediment; Red algae; South Atlantic

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Abstract:

The data refer to the geochemical and isotopic characterization of sandstones, with carbonate cementation (beach rocks), and hybrid carbonates, formed by algal mats, in the shallow platform of the South Atlantic Ocean, Espírito Santo - Brazil. The determination of 14C activity was performed on 10 samples in Accelerator Mass Spectrometry Dating (AMS), University of California, Irvine (UCL). Sample preparation backgrounds have been subtracted based on measurements of 14C-free calcite. Radiocarbon concentrations were given as fractions of the modern standard, δ14C, and the conventional radiocarbon age followed the convention of Stuiver and Polach (1977). The 14C calibration was performed on the Radiocarbon Calibration Program* CALIB REV7.1.0, Copyright 1986-2018 (Stuiver and Reimer, 1993), with marine13.14C calibration dataset (Reimer et al., 2013). The concentrations of rare earth elements (REEs) and traces were obtained by ICP-MS (PerkinElmer Nexlon300D), after digestion according to the modified EPA Protocol 3052. The quality of data was checked by the analysis of standard reference material (PACS-2 National Research Council, Canada).

Keyword(s):

beach sediment; Red algae; South Atlantic

Supplement to:

Costa, Mirian Cristina Oliveira da; Stríkis, Nicolás Misailidis; Silva-Filho, Emmanoel Vieira (2023): Late holocene paleoenvironmental reconstruction from beachrocks and hybrid carbonates in southeastern Brazil. Journal of South American Earth Sciences, 131, 104590, https://doi.org/10.1016/j.jsames.2023.104590

Other version:

Raw data: Geochemical study of beachrocks and hybrid carbonates deposited during the Holocene in southeastern Brazil (Excel file withh all ICP-MS measurements)

Funding:

Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ), grant/award no. E-26/ 210.745/2019 - 250464: Carlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro

Ministério da Educação, Brazil, grant/award no. 465.290/2014-0 : INCT-TMCOcean

Ministério da Educação, Brazil, grant/award no. 573.601/2008-9 : INCT-TMCOcean

Ministério da Educação, Brazil, grant/award no. Finance Code 001 : Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brazil (CAPES

Coverage:

Median Latitude: -20.815000 * Median Longitude: -40.607900 * South-bound Latitude: -20.824300 * West-bound Longitude: -40.615700 * North-bound Latitude: -20.805700 * East-bound Longitude: -40.600100

Date/Time Start: 2017-01-01T00:00:00 * Date/Time End: 2021-12-31T00:00:00

Event(s):

Parati_Beach * Latitude Start: -20.805700 * Longitude Start: -40.600100 * Latitude End: -20.824300 * Longitude End: -40.615700 * Date/Time Start: 2017-01-01T00:00:00 * Date/Time End: 2021-12-31T00:00:00 * Method/Device: Geological sample (GEOS)

Comment:

The study was carried out between 2017 and 2021 on the coast of Espírito Santo, specifically on the beach of Parati, municipality of Anchieta, in sandstones and hybrid carbonates, with the objective of analyzing the depositional dynamics throughout the Holocene. The occurrence of hybrid sandstones and carbonates in the intertidal zone is uncommon in the region, configuring an excellent proxy for the reconstitution of relative variations in sea level and paleoclimate.

Analysis of rare earth elements (REEs) by ICP-MS - LABPETRO - UFES - https://cce.ufes.br/labpetro

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device
1	Sample ID	Sample ID		Costa, Mirian Cristina Oliveira da
2	Sample code/label	Sample label		Costa, Mirian Cristina Oliveira da
3	Facies name/code	Facies		Costa, Mirian Cristina Oliveira da
4	Yttrium-89	89Y	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
5	Lanthanum-139	139La	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
6	Cerium-140	140Ce	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
7	Praseodymium-141	141Pr	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
8	Neodymium-142	142Nd	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
9	Samarium-152	152Sm	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
10	Europium-153	153Eu	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
11	Gadolinium-158	158Gd	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
12	Terbium-159	159Tb	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
13	Dysprosium-164	164Dy	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
14	Holmium-165	165Ho	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
15	Erbium-166	166Er	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
16	Thulium-169	169Tm	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
17	Ytterbium-174	174Yb	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
18	Lutetium-175	175Lu	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
19	Thorium-232	232Th	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D
20	Uranium-238	238U	mg/kg	Costa, Mirian Cristina Oliveira da	ICP-MS, Perkin Elmer, Nexlon300D

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

523 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Sample ID	2 Sample label	3 Facies	4 89Y [mg/kg]	5 139La [mg/kg]	6 140Ce [mg/kg]	7 141Pr [mg/kg]	8 142Nd [mg/kg]	9 152Sm [mg/kg]	10 153Eu [mg/kg]	11 158Gd [mg/kg]	12 159Tb [mg/kg]	13 164Dy [mg/kg]	14 165Ho [mg/kg]	15 166Er [mg/kg]	16 169Tm [mg/kg]	17 174Yb [mg/kg]	18 175Lu [mg/kg]	19 232Th [mg/kg]	20 238U [mg/kg]
M12 - 100x	P2F518*	L1	0.92	4.94	10.60	1.18	4.27	0.69	0.01	0.71	0.04	0.21	0.05	0.03	0.05	0.02	0.090	3.55	0.34
M11 100x	P2F518""	L1	1.96	15.86	32.97	3.81	13.61	2.35	0.03	2.20	0.16	0.61	0.02	0.10	0.04	0.01	0.100	10.90	1.18
M22 200x	P2C2B	L1	2.79	25.82	53.83	6.25	22.70	3.92	0.03	3.81	0.25	0.93	0.05	0.11	0.09	0.05	0.190	22.45	1.05
M25 1000x	P2C1B12	L1	14.07	183.26	373.60	43.26	157.09	26.43	0.32	24.54	1.75	5.77	0.08	0.84	0.37	0.18	0.760	128.24	5.85
M16 200x	P1F118	L2	53.08	667.69	2294.34	159.49	227.27	97.33	1.90	88.92	6.86	21.87	2.07	4.69	0.18	1.46	0.004	413.60	21.59
M17 200x	P1F118B	L2	20.16	234.72	482.38	56.32	200.92	34.65	0.73	31.91	2.48	8.00	0.68	1.77	0.03	0.72	0.080	137.62	8.63
M18 1000x	P1F217	L2	121.69	1338.16	2763.18	320.43	1143.41	197.82	3.88	177.54	13.92	46.26	4.23	11.00	0.39	5.10	0.270	852.29	57.79
M19 200x	P1F217B	L2	7.28	71.51	145.78	16.88	59.85	9.87	0.20	9.33	0.71	2.61	0.15	0.56	0.05	0.15	0.150	38.10	3.70
M06 100x	P2F318	L3	3.96	31.51	65.19	7.57	27.26	4.57	0.10	4.21	0.32	1.19	0.08	0.33	0.01	0.21	0.050	20.39	1.89
M14 100x	P1F318A	L3	3.84	37.49	77.59	9.00	32.65	5.52	0.12	5.11	0.38	1.31	0.07	0.29	0.03	0.12	0.070	22.98	1.66
M26 200x	P22B12	L3	6.61	71.89	147.88	17.08	61.25	10.58	0.20	9.97	0.74	2.45	0.14	0.51	0.05	0.19	0.130	42.45	2.73
M20 200x	P5B13	L3	7.64	62.33	131.01	15.17	55.42	9.79	0.22	9.20	0.70	2.57	0.13	0.59	0.05	0.26	0.150	40.29	2.84
M05 100x	P3TOPO13Bprim	L3	1.66	4.79	10.87	1.17	4.33	0.74	0.05	0.77	0.05	0.33	0.01	0.12	0.02	0.07	0.060	3.19	0.58
M03 100x	P3TOPO13	L3	4.06	37.09	75.98	8.83	31.84	5.26	0.14	4.82	0.38	1.33	0.10	0.33	0.01	0.17	0.050	20.66	1.70
M04 100x	P3MEIO13	L3	47.93	957.29	1949.88	137.39	206.99	81.36	1.74	73.75	5.81	18.46	1.86	4.23	0.25	1.68	0.130	323.03	21.05
M29 200x	P2F317	L4	6.95	90.93	184.21	20.82	73.88	12.66	0.24	10.54	0.85	2.80	0.16	0.53	0.05	0.17	0.140	51.25	3.22
M09 100x	P2F18POL	L4	3.56	33.70	69.65	8.11	29.13	4.94	0.10	4.47	0.33	1.20	0.06	0.27	0.02	0.10	0.080	22.07	1.50
M27 200x	P2F3R17b	L4	14.83	182.96	371.79	42.91	153.55	25.98	0.56	23.86	1.82	5.88	0.49	1.33	0.01	0.53	0.080	91.00	6.72
M28 200x	P2F3R17	L4	13.62	162.88	334.58	38.16	136.57	23.23	0.49	20.70	1.65	5.36	0.43	1.17	0.01	0.40	0.110	91.38	5.47
M15 100x	P1F218	L4	42.55	918.35	1879.07	130.34	183.01	77.87	1.58	70.74	5.50	17.33	1.67	3.70	0.17	1.14	0.030	337.24	17.42
M10 100x	P2F118	L4	38.74	796.86	1628.18	114.32	169.25	69.08	1.41	62.84	4.94	15.68	1.54	3.33	0.17	1.13	0.040	289.28	17.24
M21 2000x	P5BC13	L4	643.20	8476.06	29172.62	2052.81	2996.91	1263.60	23.77	1157.76	90.15	281.10	26.30	57.85	2.16	15.26	0.310	3214.13	380.56
M07 100x	P2F318B	L5	2.33	17.73	36.88	4.32	15.47	2.59	0.06	2.38	0.19	0.68	0.02	0.16	0.02	0.08	0.070	12.21	1.15
M06 100x	P2F318	L5	33.07	403.86	1377.19	96.88	138.88	57.84	1.18	52.08	4.12	13.24	1.28	2.90	0.14	1.02	0.040	232.11	20.77
M13 200x	P2F418	L5	347.71	4081.40	8409.69	987.00	3544.48	602.64	12.67	544.97	43.03	140.20	12.83	29.96	1.09	11.96	0.390	2007.68	164.87
M02 100x	P3BASE13	L5	3.81	13.13	29.70	3.15	11.54	1.96	0.16	1.98	0.17	0.83	0.05	0.33	0.01	0.22	0.060	6.64	1.23
M08 100x	P2F318CAG	GAS