andesite
- noun
- /ˈændəˌsaɪt/
- Specialized
:
andesita
- The sandstone and andesite stones at Pumapunku would have been easily worked with the most basis stoneworking tools.
- andesite rock
Examples
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They are red sandstone and andesite.
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Such pounding stones where found all over the andesite quarries in the area.
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The red sandstone was relatively soft and easy to work with and even though andesite is pretty hard, because of the way it cooled, it could easily be flaked-off using stones as soft as 5.5 on the Mohs scale.
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The geologist identified the dark rock as andesite, noting its fine-grained texture and volcanic origin.
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During the hike, we encountered a cliff made of andesite, which impressively contrasted with the surrounding sandstone.
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Samples of andesite were collected from the volcanic site to study its mineral composition and formation processes.
Synonyms
4
3.6
A hard rock made when hot melted rock cools on or near the Earth's surface
1
4.1
A hard, solid material that forms when hot, melted rock cools
How Silica-rich
Surface Forms
Etymology
The word andesite comes from the Andes mountains in South America, because this dark volcanic rock was first described there. The ending -ite is a common mineral name, like in granite, so andesite can be remembered as the 'rock of the Andes'.