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"Skunk" calcite: mineral paragenesis in an amethyst geode from Ametista, Rio Grande do Sul, Brazil.
The Mineralogical Record
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March 1, 2009|
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COPYRIGHT 2009 The Mineralogical, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.
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The famous amethyst geodes of Brazil and Uruguay rarely contain crystals of "skunk" calcite, wherein microcrystals of goethite form sharp, narrow black bands on rhombohedral calcite faces. Close study reveals the probable paragenetic relationships among goethite, lepidocrocite, calcite and two generations of amethystine quartz in a "skunk" calcite specimen; important uncertainties, however, remain.
INTRODUCTION
Amethyst-lined geodes occur in great numbers at certain horizons in Lower Cretaceous basalts in the Parana Basin. Such geodes, which reach weights ...
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Brazilian purpuric fever - Mato Grosso, Brazil.
Newspaper article from: Morbidity and Mortality Weekly Report
; ...investigation of BPF in the state of Mato Grosso. In December 1989, two definite...identified in persons in two cities in Mato Grosso (Figure 1). In that case, H...possible (*1) BPF cases occurred in Mato Grosso. In January 1990, the Mato Grosso...
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 "Info-Prod Research (Middle East)")
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MATO GROSSO DO SUL
Newspaper article from: Info-Prod Research (Middle East)
; ...The midwestern Brazilian state of Mato Grosso do Sul was the state in the country...poultry installed in the state. Mato Grosso do Sul has units of large exporters...movement reflects the fact that Mato Grosso do Sul is a state free of foot...
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Suicide Trends and Characteristics Among Persons in the Guaranà Kaiowá and à andeva Communities - Mato Grosso do Sul, Brazil, 2000-2005
Magazine article from: MMWR. Morbidity and Mortality Weekly Report
; ...cultural or ethnic group (1). Mato Grosso do Sul is a state in the southwest...1), accounted for 2.6% of Mato Grosso do Sul's population (approximately...overall life expectancy increased in Mato Grosso do Sul; however, suicide increased...
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Suicide trends and characteristics among persons in the Guarani Kaiowa and Nandeva Communities--Mato Grosso do Sul, Brazil, 2000-2005.
Newspaper article from: Morbidity and Mortality Weekly Report
; ...cultural or ethnic group (1). Mato Grosso do Sul is a state in the southwest...1), accounted for 2.6% of Mato Grosso do Sul's population (approximately...overall life expectancy increased in Mato Grosso do Sul; however, suicide increased...
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BRAZIL: MATO GROSSO DO SUL: SALES TO THE ARABS UP 180%.
Newspaper article from: IPR Strategic Business Information Database
; ...The midwestern Brazilian state of Mato Grosso do Sul was the state in the country...poultry installed in the state. Mato Grosso do Sul has units of large exporters...movement reflects the fact that Mato Grosso do Sul is a state free of foot...
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EXPORTS FROM MATO GROSSO BREAK RECORD
Newspaper article from: Info-Prod Research (Middle East)
; ...the midwestern Brazilian state of Mato Grosso are growing non-stop. For the...Federation of Industries of the State of Mato Grosso (FIEMT), Jandir Milan, such...Brazil, and more specifically to Mato Grosso. Indices are also favourable with...
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BRAZIL: EXPORTS FROM MATO GROSSO BREAK RECORD.
Newspaper article from: IPR Strategic Business Information Database
; ...the midwestern Brazilian state of Mato Grosso are growing non-stop. For the...Federation of Industries of the State of Mato Grosso (FIEMT), Jandir Milan, such...Brazil, and more specifically to Mato Grosso. Indices are also favourable with...
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EXPORTS BY INDUSTRY IN STATE OF MATO GROSSO DO SUL GROW 74%
Newspaper article from: Info-Prod Research (Middle East)
; ...The new economy of the state of Mato Grosso do Sul is already defining the...Federation of Industries of the State of Mato Grosso do Sul (Fiems). Proof of it...the best result ever achieved by Mato Grosso do Sul in exports of industrialized...
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BRAZIL: EXPORTS BY INDUSTRY IN STATE OF MATO GROSSO DO SUL GROW 74%.
Newspaper article from: IPR Strategic Business Information Database
; ...The new economy of the state of Mato Grosso do Sul is already defining the...Federation of Industries of the State of Mato Grosso do Sul (Fiems). Proof of it...the best result ever achieved by Mato Grosso do Sul in exports of industrialized...
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MATO GROSSO PROVIDES EXPORT INCENTIVES
Newspaper article from: Info-Prod Research (Middle East)
; ...2008, exports from the state of Mato Grosso reached US$ 3.813 billion...Business Support Service (Sebrae) in Mato Grosso, at the ceremony for inauguration...imports and exports of the state of Mato Grosso, helping businessmen of large...
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