Now showing items 1-10 of 3617
Review on space weather in Latin America. 3. Development of space weather forecasting centers
The present work is the third of a three-part review of space weather in Latin America, specifically observing its evolution in three countries (Argentina, Brazil and Mexico). This work presents the decision process for ...
Review on space weather in Latin America. 2. The research networks ready for space weather
The present work is the second of a three-part review of space weather in Latin America, specifically observing its evolution in three countries (Argentina, Brazil and Mexico). This work comprises a summary of scientific ...
Anthropogenic impacts on mineral weathering: A statistical perspective
Correspondence Analysis was adopted as tool for investigating the statistical structure of hydrochemical and weathering datasets of groundwater samples, with the main purpose of identifying impacts on mineral weathering ...
Regolith production and chemical weathering of granitic rocks in central Chile
We have evaluated the long-term chemical and physical weathering mass balance of an anomalously thick saprolite profile (>30 in thickness) developed in granitic rocks near Curacavi, Coastal Range of central Chile. The ...
Gold-bearing iron duricrust in Central Brazil
In the Cuiabá region-State of Mato Grosso, Central Brazil-primary gold mineralization is hosted by two generations of quartz veins in Precambrian metamorphic terrains of the Cuiabá Group. Gold is mined from the veins and ...
Use of U-isotope disequilibrium to evaluate the weathering rate and fertilizer-derived uranium in São Paulo state, Brazil
The U-disequilibrium method was utilized to evaluate the velocity of alteration of rocks and fertilizer-derived uranium in the Corumbatai River basin, São Paulo state, Brazil. The Corumbatai River basin is affected by the ...