Petrographic, chemical and geochronological characteristics of the Onzaga Metarhyolite and its correlation with Ordovician magmatic events in the northern Andes, Colombia
The macroscopic, microscopic, and chemical characteristics as well as crystallization age of the Onzaga Metarhyolite unit are described. The spatiotemporal relationships among the magmatic events that occurred during the Ordovician in the Santander, La Floresta and Quetame massifs and in the Mérida...
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| Format: | Article |
| Language: | English |
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Servicio Geológico Colombiano
2022-01-01
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| Series: | Boletín Geológico |
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| Online Access: | https://revistas.sgc.gov.co/index.php/boletingeo/article/view/571 |