Origin of color variations of thin, nano-sized layers of volcanic cinder from the Sierra Negra Volcano of the Galapagos Islands
Volcanic cinder, also known as scoria, is an extrusive igneous rock that forms when gas-rich magmas of basaltic or andesitic composition cool quickly. It is typically dark in color, ranging from black to red depending on its chemical composition. Sometimes fresh cinder samples show a variety of shin...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | Spanish |
| Published: |
Universidad Nacional, Costa Rica
2021-07-01
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| Series: | Uniciencia |
| Subjects: | |
| Online Access: | https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/14791 |