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Obsidian is basically “unpopped” pumice: obsidian and pumice are igneous rocks that are made out of the same material, but because of the way it’s formed inside the volcano, pumice looks very differen ...
Hipervinculo Geología
The soil composition in people’s backyards containsminute particles of magnetic material called rare-earth metals.Larger quantities of rare-earth metals lie in deep underground.The particles belong to ...
Hipervinculo Ciencias de la Tierra y Medioambiente
Factors that determine the composition of an igneous rock.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Factors that determine the composition of an igneous rock.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
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