Výsledky vyhledávání - "Fontoura Hansen"

Akademický článek

Geophysical and structural survey in copper occurrence located in the northern region of the Camaquã basin (RS)

Autor: César Augusto Moreira, Henrique Pelorca Carneiro, Matheus Felipe Stanfoca Casagrande, Marcos Eduardo Hartwig, Marco Antonio Fontoura Hansen

Publikováno v: REM: International Engineering Journal, Vol 74, Iss 2, Pp 209-217 (2021)

Abstract The geophysical diagnosis of mineral deposits can be extremely useful in detailing mineralized zones and is a strategy for direct sampling by probing holes for content analysis. This study involves the combined use of Electrical geophysical

Externí odkaz: https://doaj.org/article/329dd4b2e31b4652b782b0f96e8e9d75

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APLICAÇÃO DE MÉTODO ELETROMAGNÉTICO TERRESTRE DE INVESTIGAÇÃO RASA NUMA OCORRÊNCIA CUPRÍFERA LOCALIZADA NO INTERIOR DO MUNICÍPIO DE CAÇAPAVA DO SUL (RS)

Autor: Marco Antonio Fontoura Hansen, Jorge Da Cruz Bitencourt, José Pedro Rebés Lima, Henrique Garcia Pereira, César Augusto Moreira

Publikováno v: Geosciences = Geociências. 39:379-391

O atendimento e manutenção de demandas industriais e de construção civil em relação a insumos minerais estimula pesquisas para a descoberta de novos depósitos minerais ou para a ampliação de jazidas conhecidas. O método geofísico eletromag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaa7d79fefd6dc22ab5ce8ef3234b3cc
https://doi.org/10.5016/geociencias.v39i2.13158

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Akademický článek

AVALIAÇAO DA QUALIDADE DAS ÁGUAS SUBTERRÂNEAS DA BACIA HIDROGRÁFICA DO RIO PARDO, SISTEMA AQUÍFERO GUARANI, RS, BRASIL

Autor: Marluce Purper, Marco Antonio Fontoura Hansen, Adilson Ben da Costa, Roberta Cristina Kaufmann, Ana Paula Wetzel, Alcido Kist, Eduardo A. Lobo

Publikováno v: Revista Jovens Pesquisadores, Vol 0, Iss 1 (2011)

O objetivo desta pesquisa foi avaliar a qualidade das águas subterrâneas em áreas de preservação permanente (Sistema Aquífero Guarani – SAG) da Bacia Hidrográfica do Rio Pardo, RS, Brasil, através de variáveis físicas, químicas e microbi

Externí odkaz: https://doaj.org/article/4382e916229b42d1b68ebfe7a1fa0780

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Comparative analysis among eletrical resistivity tomography arrays in the reconnaissance of flow structure in fractures aquifer in Caçapava do Sul (RS)

Autor: João Carlos Dourado, Marco Antonio Fontoura Hansen, César Augusto Moreira, Fernanda Teles Gomes Rosa, Lívia Portes Innocenti Helene, Walter Malagutti Filho

Publikováno v: Pesquisas em Geociências; v. 46, n. 1 (2019): Pesquisas em Geociências; e0710

Este trabalho apresenta uma análise comparativa entre dados de tomografia elétrica de detalhe, obtidos sobre terreno granítico onde ocorre fluxo subterrâneo em sistema aquífero fraturado, adquiridos por meio dos arranjos dipolo-dipolo, Schlumber

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48bb7880d2c887a830b6fad32cee56f1
https://seer.ufrgs.br/PesquisasemGeociencias/article/view/93244

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ELECTRICAL RESISTIVITY TOMOGRAPHY (ERT) APPLIED IN THE DETECTION OF INORGANIC CONTAMINANTS IN SUSPENDED AQUIFER IN LEME CITY (BRAZIL)

Autor: Alan Carrara, César Augusto Moreira, João Carlos Dourado, Marco Antonio Fontoura Hansen, Walter Malagutti Filho, Lívia Portes Innocenti Helene

Publikováno v: Revista Brasileira de Geofísica. 35

The assessment of contamination caused by improper disposal of solid waste involves integrated analysis of the physical environment, which shall range from the location of the pollutant source, flow paths and accumulation zones. The environmental dia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00b2ddd6f3d12f3375c4199837b7751e
https://doi.org/10.22564/rbgf.v35i3.848

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GEOELECTRIC MODELING OF SUPERGENIC MANGANESE OCURRENCE IN HELIODORA REGION, SOUTHERN MINAS GERAIS

Autor: Samuel Siqueira Reis, César Augusto Moreira, Walter Malagutti Filho, Marco Antonio Fontoura Hansen

Publikováno v: Scopus-Elsevier

This paper discusses the results of the combined application of electric resistivity and induced polarization methods into a mineral occurrence of manganese of supergenic origin, characterized by oxides of manganese and iron with terrain to powdery t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6aab89a4a17154da57bc185fb2ea91f
https://doi.org/10.22564/rbgf.v34i3.833

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GROUNDWATER QUALITY EVALUATION OF PERMANENT PRESERVATION AREAS (GUARANI AQUIFER SYSTEM - GAS), RIO PARDO HYDROGRAPHICAL BASIN, RS, BRAZIL

Autor: Adilson Ben da Costa, Roberta Cristina Kaufmann, Marco Antonio Fontoura Hansen, Alcido Kirst, Eduardo Alexis Lobo

Publikováno v: Tecno-Lógica, Vol 14, Iss 1, Pp 26-38 (2010)

The aim of this research was to evaluate the quality of groundwater in areas of permanent preservation (Guarani Aquifer System – GAS) in the Rio Pardo Hydrographical Basin, RS, Brazil, using physical, chemical and microbiological variables, based o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::654b797200a9698a7aa4ceda74f29e07
https://online.unisc.br/seer/index.php/tecnologica/article/view/1195

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Avaliação da qualidade das águas subterrâneas em áreas de preservação permanente (sistema aquífero guarani – sag), bacia hidrográfica do Rio Pardo, RS, Brasil

Autor: Adilson Ben da Costa, Roberta Cristina Kaufmann, Marco Antonio Fontoura Hansen, Alcido Kirst, Eduardo Alexis Lobo

Publikováno v: Tecno-Lógica, Vol 14, Iss 1, Pp 26-38 (2010)

O objetivo principal deste estudo foi avaliar a qualidade das águas subterrâneas em áreas de preservação permanente (SistemaAqüífero Guarani – SAG) da Bacia Hidrográfica do Rio Pardo, RS, Brasil, através de variáveis físicas, químicas e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::7beccf0cc8cb6273b4434971f211bdc4
http://online.unisc.br/seer/index.php/tecnologica/article/viewFile/1195/1042

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Petrology of a Subduction-related Caldera and Post-Collisional, Extension-related Volcanic Cones from the Early Cambrian and Middle Ordovician (?) of the Camaquã Basin, Southern Brazil*

Autor: Marco Antonio Fontoura Hansen, L. de Lima, Henrique Carlos Fensterseifer, Karla Petry, D. del P.M. Almeida

Publikováno v: Gondwana Research. 6:541-552

The region studied, located in southern Rio Grande do Sul State, Brazil, 25 km to the northeast of Lavras do Sul, records two volcanic events. The first is the eruption of pyroclastic material and localized flows of alkali-basalt, trachyandesite and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::154135d806747c86bf32aba5e5826bbc
https://doi.org/10.1016/s1342-937x(05)71005-4

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