Citation:

PANGAEA.938223

Name: LOI and mineralogical composition from Lago Formoso sediments in Maranhão State, northeastern Brazil
Published: 2021
License: https://creativecommons.org/licenses/by/4.0/
Keywords: climate dynamics; fire history; Holocene; human activity; mangrove; Multi-proxy; northeastern Brazil; Sea level oscillations; Vegetation dynamics

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Published: 2021 (exact date unknown) • DOI registered: 2022-02-08

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Keyword(s):

climate dynamics; fire history; Holocene; human activity; mangrove; Multi-proxy; northeastern Brazil; Sea level oscillations; Vegetation dynamics

Related to:

Alves de Moraes, Caio; Lima da Costa, Marcondes; Guida Navarro, Alexandre; Nunes da Silva Meneses, Maria Ecilene; Boiadeiro Ayres Negrão, Leonardo; Pöllmann, Herbert; Behling, Hermann (2021): Holocene coastal environmental changes inferred by multi-proxy analysis from Lago Formoso sediments in Maranhão State, northeastern Brazil. Quaternary Science Reviews, 273, 107234, https://doi.org/10.1016/j.quascirev.2021.107234

Funding:

National Council for Scientific and Technological Development (CNPq), grant/award no. 290210/2017-8: CNPq scholarship: Edital DAAD/Doutorado Pleno (GDE)

National Council for Scientific and Technological Development (CNPq), grant/award no. 305015/2016-8: CNPq project 442871/2018-0

National Council for Scientific and Technological Development (CNPq), grant/award no. 308271/2018-1: CNPq project

Coverage:

Latitude: -3.253889 * Longitude: -45.386111

Minimum DEPTH, sediment/rock: 0.080 m * Maximum DEPTH, sediment/rock: 2.970 m

Event(s):

Lago_Formoso (LF) * Latitude: -3.253889 * Longitude: -45.386111 * Location: Brasil * Method/Device: Sediment corer (SEDCO)

Comment:

#999: phase was identified in the sample, but no quantification was possible.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Sample code/label	Sample label		Alves de Moraes, Caio
2	Sample mass	Samp m	g	Alves de Moraes, Caio	sampled
3	Humidity, relative, technical	RH tech	%	Alves de Moraes, Caio	heating 40°C ~ days
4	Sample mass	Samp m	g	Alves de Moraes, Caio	avaiable samples, sample-humidity
5	Loss on ignition	LOI	%	Alves de Moraes, Caio	of dryed sample - 1000°C for 1 h
6	DEPTH, sediment/rock	Depth sed	m	Alves de Moraes, Caio	Geocode – average
7	Quartz	Qz	%	Alves de Moraes, Caio	wt.%
8	Microcline	Mc	%	Alves de Moraes, Caio	wt.%
9	Illite	Ill	%	Alves de Moraes, Caio	wt.%
10	Kaolinite	Kln	%	Alves de Moraes, Caio	wt.%
11	Pyrite, FeS2	Py	%	Alves de Moraes, Caio	wt.%
12	Vermiculite	Vrm	%	Alves de Moraes, Caio	wt.%
13	Magnetite	Fe3O4	%	Alves de Moraes, Caio	wt.%

License:

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

Size:

136 data points

Data

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

1 Sample label	2 Samp m [g] (sampled)	3 RH tech [%] (heating 40°C ~ days)	4 Samp m [g] (avaiable samples, sample-humi...)	5 LOI [%] (of dryed sample - 1000°C for 1 h)	6 Depth sed [m] (average)	7 Qz [%] (wt.%)	8 Mc [%] (wt.%)	9 Ill [%] (wt.%)	10 Kln [%] (wt.%)	11 Py [%] (wt.%)	12 Vrm [%] (wt.%)	13 Fe3O4 [%] (wt.%)
LF 6-10	21	69.77	6.3483	26.33	0.080	70	11	11	8
LF 20-26	25	55.78	11.0550	17.00	0.230	60	19	15	7
LF 36-40	28	57.65	11.8580	15.43	0.380	71	12	13	4
LF 66-70	26	82.71	4.4954	26.17	0.680	#999		#999	#999
LF 86-90	37	46.92	19.6396	6.92	0.880	63	21	14	3
LF 110-114	37	36.64	23.4432	5.76	1.120	68	13	14	3
LF 128-132	35	86.99	4.5535	66.79	1.300				#999	#999
LF 142-146	24	83.78	3.8928	58.32	1.435				#999	#999
LF 164-168	36	65.60	12.3840	28.07	1.660				#999	#999
LF 174-178	38	51.77	18.3274	17.71	1.760				#999	#999
LF 206-210	44	41.16	25.8896	11.74	2.080	21	4	17	55	#999	3	#999
LF 222-226	46	42.90	26.2660	11.41	2.240	27	4	23	43		3	#999
LF 254-258	38	50.19	18.9278	14.34	2.560	14	4	18	61	1	1	#999
LF 266-270	40	61.72	15.3120	25.73	2.680				#999	#999		#999
LF 295-299	34	46.14	18.3124	13.04	2.970	13	2	27	55	1	2	#999