01 January (Cinderellas ) within release Côte d'Ivoire goes into circulation Souvenir Sheet Mineraux et Geologues face value 1,650 West African CFA franc
Souvenir Sheet Mineraux et Geologues in catalogues | |
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Colnect codes: | Col: CI 2012-28B |
Souvenir Sheet is square format.
This item was illegally produced without the authorization of the postal administration inscribed on the stamps. They have no postal validity.Also in the issue Côte d'Ivoire:
Souvenir Sheet Mineraux et Geologues it reflects the thematic directions:
A geologist is a scientist who studies the structure, composition, and history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the field and the laboratory. Geologists work in the energy and mining sectors to exploit natural resources. They monitor environmental hazards such as earthquakes, volcanoes, tsunamis and landslides. Geologists are also important contributors to climate change discussions.
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form