Alojamento do granito Lavras e a mineralização aurífera durante evolução de centro vulcano-plutônico pós-colisional, oeste do Escudo Sul-riograndense: dados geofísicos e estruturais

Gastal, Maria do Carmo Gastal; Ferreira, Francisco José Fonseca; Cunha, Jefferson Ulisses da; Esmeris, Camila Esmeris; Koester, Edinei; Raposo, María Irene Bartolomeu; Rossetti, Marcos de Magalhães May

doi:10.1590/23174889201500020004

Cited by 20 publications

(14 citation statements)

References 43 publications

(55 reference statements)

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“…The Lavras do Sul Intrusive Complex is a circular body with 216 km2 (Figure 1) formed by Monzodiorite, Monzogranite, Quartz Monzonite and Petite Granite facies (Gastal et al, 2015). This body has intrusive behavior in orthogneiss and pre-and non-tectonic granitoid in W-SW and N-NW portions.…”

Section: Studied Areamentioning

confidence: 99%

Untitled

2020

Rev. ambiente água

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This map shows the distribution of biogas energy potentials for sewage treatment plants (STP) in the state of Paraná in the southern region of Brazil. The results of this research showed that 19 STP units presented a biogas energy potential above 100 GJ d -1 and 124 units a potential below 30 GJ d -1 . The location of these units and associated biogas energy potential make it possible to assemble strategic plans for future investments in the energy recovery of the by-products of STPs. Source: LOPES, L. S. et al. Energy potential of biogas and sludge from UASB reactors in the State of Paraná, Brazil. 02 Multivariate statistical analysis applied to the evaluation of groundwater quality in the centralsouthern portion of the state of Bahia -Brazil

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Section: Studied Areamentioning

confidence: 99%

Untitled

2020

Rev. ambiente água

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“…Geophysics has been applied in numerous studies to establish geological and tectonic compartmentalization in the last decades, as well as distinguishing lithotypes and identifying structures and lineaments, especially in inaccessible areas (Hallinan et al, 1993;Fernandes et al, 1995;Nogueira et al, 2004;Carvalho et al, 2006;Barbuena et al, 2013;Ramos et al, 2014;Castro and Ferreira, 2015;Gastal et al, 2015;Kosaroglu et al, 2016;Campos et al, 2017;Araffa et al, 2018;Weihermann et al, 2018;Osinowo and Abdulmumin, 2019;Alatorre-Zamora et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Geophysical-Structural Framework in a Mineralized Region of Northwesternmost Camaquã Basin, Southern Brazil

Pereira

2021

GeofInt

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Airborne and ground magnetic and gravimetric maps provide important information about the spatial distribution of causative sources in the geological substrate. These sources normally have different physical and geometric properties and are located at different depths, making it difficult to identify the geological features that correspond to the sources. Filtering and enhancement techniques can be used to highlight features in potential field anomalies (such as center and edges of sources). Also, these techniques remove associated noise, isolate shallow from deep sources, and estimate depths. We applied enhancement and depth estimation techniques in airborne and ground potential field data to delineate a subsurface structural framework of two copper occurrences (Victor Teixeira and Capão Grande) in the northwestern border of Camaquã Basin with the Sul-Riograndense Shield. Our results confirmed previously recognized structures and revealed an interconnected structural framework, which has an estimated depth of 170 m by Euler solutions. This configuration suggests a possible connection between the two mineralization outcrops, which are separated by a distance of 2,300 m.

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“…In the central portion are included biotite-granodiorite circumcised by hornblende-biotite monzogranite, which progresses to hornblende-biotite sienogranite. The edges are composed of biotite-hornblende sienogranite and alkaline-granite feldspar [16]. It is known that the deposit configuration of the area fits in the system of copper porphyries, in which porphyritic igneous rocks subjected to intense hydrothermal processes end up enriching themselves in sulphides.…”

Section: Introductionmentioning

confidence: 99%

“…The monzodiorite arroio dos Jacques (Fig. 1) is characterized as an elongated and narrow body located to the northeast, between the Tapera monzonite and the Lavras granite [16].…”

Section: Introductionmentioning

confidence: 99%

Water Quality Assessment through PCA Analysis

Gomes¹,

Sperandio²,

Borges³

et al. 2019

IJAERS

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This aim presents the first detailed geochemical data of water of the Jaguari stream, Lavras do Sul-RS. In this study we use Principal Component Analysis (PCA) to establish geochemical grouping that can be related back to likely mining, lithological and anthropic actives in the region. The results indicated that the high concentrations of Cu, Rh and Cd have a close relationship to local anthropic activities and lithological with geochemical changes seasonal fluctuations. The geochemistry results too indicated waters classified as soft and hard (total hardness range from 53.02 to 79.28 mg L -1 ), neutral pH, and electric conductivity ranged from 157.1 to 184.9 µs cm -1 . All measured values met the potability standards for human consumption established

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Alojamento do granito Lavras e a mineralização aurífera durante evolução de centro vulcano-plutônico pós-colisional, oeste do Escudo Sul-riograndense: dados geofísicos e estruturais

Cited by 20 publications

References 43 publications

Untitled

Untitled

Geophysical-Structural Framework in a Mineralized Region of Northwesternmost Camaquã Basin, Southern Brazil

Water Quality Assessment through PCA Analysis

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