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Diego Palma,Sebastián Jovic,Luciano López,Diego Guido,Gerardo Páez,Facundo De Martino,Gustavo Sotarello,Pablo Rolando
Pág. 387 - 402
The Casposo District is located in the Cordillera Frontal, in the center-west of San Juan Province, Argentina. It is characterized by the presence of a low sulfidation epithermal system hosted in volcanic rocks of the Choiyoi Group, where the Mercado-Kam...
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George E. Mustoe, Mike Viney and Jim Mills
Central Wyoming, USA, was the site of ancient Lake Gosiute during the Early Eocene. Lake Gosiute was a large body of water surrounded by subtropical forest, the lake being part of a lacustrine complex that occupied the Green River Basin. Lake level rises...
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George E. Mustoe
The best-known and most-studied petrified wood specimens are those that are mineralized with polymorphs of silica: opal-A, opal-C, chalcedony, and quartz. Less familiar are fossil woods preserved with non-silica minerals. This report reviews discoveries ...
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George E. Mustoe and Mike Viney
An extensive fossil forest discovered in 2010 on private property in central Colorado, USA, has not previously been described in scientific literature. Horizontal partial logs originated as fluvially transported driftwood. A preliminary study of petrifie...
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Agnieszka Karczmarczyk, Anna Baryla and Agnieszka Bus
The main hypothesis of the presented study is that the negative effect of phosphorus leaching from a green roof substrate can be reduced by including P-reactive material in a drainage layer. In this work, different aggregates (Pollytag®, lightweight expa...
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Leandro E. Echavarria,Ricardo O. Etcheverry
Pág. 69 - 83
This paper is devoted to the geochemistry of lodes and host rocks from the El Dorado-Monserrat epithermal Au-Ag deposits. The distribution haloes of the studied metals show great variations as demonstrated by the coss-cut sections through the host rocks....
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