Neotectonics as a structural control of the boundaries of the Pantanal Matogrossense Sub-Regions

Abstract: Characterized by fluvio-alluvial sedimentation processes, the heterogeneity in the Pantanal Basin allows its division in several sub-regions, which present natural characteristics of their own. It is possible to find in the literature different proposals to subdivide the Pantanal plain, which vary in total area and number of sub-regions. Each author uses specific criteria – mainly vegetation, soil and humidity – in his delimitation, but does not consider the tectonic aspects of the basin. In this sense, we intend to analyze three Pantanal delimitations from the literature and to relate them to the neotectonic context of the Pantanal plain by comparing the boundaries proposed in the delimitations to structural lineaments present in the basin. As a result, we observe that the comparison of the Pantanal boundaries with the lineaments shows a high compatibility between them, suggesting the influence of these structures in the development of the sub-regions.

Key words
Remote sensing; structural lineaments; geoecological context; Paraguay River Basin

Authorship

CAMILA L. MIOTO

Laboratório de Geoprocessamento, Instituto de Ciências Agrárias e Tecnológicas, Universidade Federal de Mato Grosso, Campus Universitário de Rondonópolis, MT 270, Km 06, Sagrada Família, 78735-901 Rondonópolis, MT, Brazil Universidade Federal de Mato GrossoBrazilRondonópolis, MT, BrazilLaboratório de Geoprocessamento, Instituto de Ciências Agrárias e Tecnológicas, Universidade Federal de Mato Grosso, Campus Universitário de Rondonópolis, MT 270, Km 06, Sagrada Família, 78735-901 Rondonópolis, MT, Brazil

http://orcid.org/0000-0002-6951-9527

GUSTAVO AMORIM

Laboratório de Geoprocessamento para Aplicações Ambientais, Faculdade de Engenharias, Arquitetura e Urbanismo e Geografia, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, s/n, 79070-900 Campo Grande, MS, Brazil Universidade Federal de Mato Grosso do SulBrazilCampo Grande, MS, BrazilLaboratório de Geoprocessamento para Aplicações Ambientais, Faculdade de Engenharias, Arquitetura e Urbanismo e Geografia, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, s/n, 79070-900 Campo Grande, MS, Brazil

ROMULO MACHADO

Universidade de São Paulo, Instituto de Geociências, Rua do Lago, 562, Butantã, 05508-080 São Paulo, SP, Brazil Universidade de São PauloBrazilSão Paulo, SP, BrazilUniversidade de São Paulo, Instituto de Geociências, Rua do Lago, 562, Butantã, 05508-080 São Paulo, SP, Brazil

FABRÍCIO B. DALMAS

Programa de Mestrado em Análise Geoambiental da Universidade Guarulhos, Universidade UNG, Praça Tereza Cristina, Centro, 239, 07023-070 Guarulhos, SP, Brazil Universidade UNGBrazilGuarulhos, SP, BrazilPrograma de Mestrado em Análise Geoambiental da Universidade Guarulhos, Universidade UNG, Praça Tereza Cristina, Centro, 239, 07023-070 Guarulhos, SP, Brazil

ANA PAULA G. OLIVEIRA

Programa de Pós-Graduação em Meio Ambiente e Desenvolvimento Regional, Universidade Uniderp - Anhanguera, Rua Alexandre Herculano, 1400, 79037-280 Campo Grande, MS, Brazil Universidade Uniderp - AnhangueraBrazilCampo Grande, MS, BrazilPrograma de Pós-Graduação em Meio Ambiente e Desenvolvimento Regional, Universidade Uniderp - Anhanguera, Rua Alexandre Herculano, 1400, 79037-280 Campo Grande, MS, Brazil

ANTONIO R. SAAD

Geólogo autônomo, Rua Professor Lúcio Martins Rodrigues, 6, Morumbi, 05621-025 São Paulo, SP, Brazil Geólogo autônomoBrazilSão Paulo, SP, BrazilGeólogo autônomo, Rua Professor Lúcio Martins Rodrigues, 6, Morumbi, 05621-025 São Paulo, SP, Brazil

MARCO ANTONIO DIODATO

Centro de Ciências Agrárias, Universidade Federal Rural do Semiárido, Avenida Francisco Mota, 572, Costa e Silva, 59625-900 Mossoró, RN, Brazil Universidade Federal Rural do SemiáridoBrazilMossoró, RN, BrazilCentro de Ciências Agrárias, Universidade Federal Rural do Semiárido, Avenida Francisco Mota, 572, Costa e Silva, 59625-900 Mossoró, RN, Brazil

ANTONIO C. PARANHOS FILHO

Correspondence to: Camila Leonardo Mioto E-mail: ea.mioto@gmail.com ORCid: https://orcid.org/0000-0002-6951-9527

AUTHOR CONTRIBUTIONS

Camila Leonardo Mioto is a PhD in Environmental Technologies and contributed with the characterization of the Pantanal Matogrossense Sub-Regions, with Geoprocessing Analysis and Remote Sensing applications. Antonio Conceição Paranhos Filho is a PhD in Environmental Geology and contributed with his knowledge about the Pantanal, Environmental Geology, Geosciences, Geoprocessing and Remote Sensing. Gustavo Marques Amorim is a PhD in Geosciences, contributing with his knowledge in Geosciences and Regional Geology. Fabrício Bau Dalmas is a PhD in Geosciences, contributing with his knowledge in Geosciences, Remote Sensing and Hydrogeology. Antonio Roberto Saad is a PhD in Regional Geology and contributed with his knowledge about the Pantanal, basin and environmental geology analysis and water quality in watersheds. Marco Antonio Diodato is a PhD in biological Sciences and contributed with his experience in the area of Forest Resources and Environmental Sciences. Ana Paula Garcia Oliveira is a PhD in Environmental Technologies and contributed with her knowledge about the Pantanal, Geoprocessing Analysis and Remote Sensing. Romulo Machado is a PhD in General Geology and Application and contributed with his experience in the area of Ductile and Brittle Tectonics and his knowledge about the Pantanal.

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (7)

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Figure 1
Events recorded in the Brazilian Seismic Bulletin (BSB – V2014.6).

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Figure 2
The location of Pantanal. The Pantanal boundary presented in grey is proposed by Mioto et al. (2012), who consider that Pantanal extends to Bolivia and Paraguay.

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Figure 3
The boundaries of the Pantanal sub-regions used in this paper.

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Figure 4
Structural lineaments proposed by Paranhos Filho et al. (2013), obtained from satellite CBERS-2B, sensor MODIS images.

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Figure 5
Structural lineaments (in red) that coincide with the limits proposed by Adámoli (1982) (in black). The arrows to the left indicate places where the external boundaries formed by the Paraguay and Cáceres rivers coincide with the lineaments. The Adámoli sub-regions, the Pantanal, Paiaguás, Nhecolândia, Aquidauana and Abobral boundaries are almost entirely concordant with the lineaments.

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Figure 6
Structural lineaments (in red) that coincide with the boundaries proposed by Silva and Abdon (1998) (in black). The arrows to the right indicate concordance between the lineaments and the Pantanal eastern border, characterized by the Maracajú Ridge. The arrows to the left indicate lineaments coinciding with the Paraguay and Cáceres rivers, which are used as division lines between Brazil, Paraguay and Bolivia.

Thumbnail

Figure 7
Structural lineaments (in red) that coincide with the boundaries proposed by Mioto et al. (2012) (in black). The arrows indicate the external boundaries concordant with the structural lineaments, being the eastern boundary marked by the Maracajú System. The Paiaguás, Taquari, Negro and Nhecolândia (which form the Taquari River mega-fan) coincide entirely with the structures, as well as Pantanais do Taboco, Baixo Barão de Melgaço and Entorno Pantaneiro.

Figure 1 Events recorded in the Brazilian Seismic Bulletin (BSB – V2014.6).

Figure 2 The location of Pantanal. The Pantanal boundary presented in grey is proposed by Mioto et al. (2012), who consider that Pantanal extends to Bolivia and Paraguay.

Figure 3 The boundaries of the Pantanal sub-regions used in this paper.

Figure 4 Structural lineaments proposed by Paranhos Filho et al. (2013), obtained from satellite CBERS-2B, sensor MODIS images.

Figure 5 Structural lineaments (in red) that coincide with the limits proposed by Adámoli (1982) (in black). The arrows to the left indicate places where the external boundaries formed by the Paraguay and Cáceres rivers coincide with the lineaments. The Adámoli sub-regions, the Pantanal, Paiaguás, Nhecolândia, Aquidauana and Abobral boundaries are almost entirely concordant with the lineaments.

Figure 6 Structural lineaments (in red) that coincide with the boundaries proposed by Silva and Abdon (1998) (in black). The arrows to the right indicate concordance between the lineaments and the Pantanal eastern border, characterized by the Maracajú Ridge. The arrows to the left indicate lineaments coinciding with the Paraguay and Cáceres rivers, which are used as division lines between Brazil, Paraguay and Bolivia.

Figure 7 Structural lineaments (in red) that coincide with the boundaries proposed by Mioto et al. (2012) (in black). The arrows indicate the external boundaries concordant with the structural lineaments, being the eastern boundary marked by the Maracajú System. The Paiaguás, Taquari, Negro and Nhecolândia (which form the Taquari River mega-fan) coincide entirely with the structures, as well as Pantanais do Taboco, Baixo Barão de Melgaço and Entorno Pantaneiro.

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Neotectonics as a structural control of the boundaries of the Pantanal Matogrossense Sub-Regions

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[1] Correspondence to: Camila Leonardo Mioto E-mail: ea.mioto@gmail.com ORCid: https://orcid.org/0000-0002-6951-9527