The general Obsidian and Rhyodacite definition can be stated as: Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. On the other hand, Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. Along with definition of Obsidian and Rhyodacite, get to know about Properties of Obsidian and Rhyodacite. Get to know more information about Obsidian and Rhyodacite origin and discoverer, etymology and class.
The history of Obsidian and Rhyodacite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.
Obsidian and Rhyodacite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Obsidian and Rhyodacite. In this section, you will know about Obsidian and Rhyodacite Origin and Discoverer. Origin of Obsidian is Ethiopia whereas Origin of Rhyodacite is USA. It is interesting to know the name of Obsidian and Rhyodacite discoverer. The Discoverer of Obsidian is Obsius and the discoverer of Rhyodacite is Unknown.
Along with Obsidian and Rhyodacite definition, know more about the etymology of Obsidian and Rhyodacite. Etymology of Obsidian and Rhyodacite gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Rhyodacite. The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Rhyodacite is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Obsidian and Rhyodacite belong to Igneous Rocks. The sub-class, group and other categories of Obsidian and Rhyodacite are listed below.
For Obsidian,
For Rhyodacite,
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