Question

description of scoria rock​

Answer 1

$\huge{\boxed{\rm{\red{Answer}}}}$

Description about Scoria Rocks

$\bold{\pink{\fbox{\red{What is a scoria rock?}}}}$

Scoria is an extremely vesicular basaltic lava with very small (< 1mm) vesicles. You can find scoria all over North America: The red variety of scoria (it also comes in black) is commonly used as landscaping pebbles at Taco Bell. Landscapers know this rock as lava rock. Pumice is a froth of felsic volcanic glass.

$\bold{\pink{\fbox{\red{Where does scoria rock come from?}}}}$

Scoria forms when magma containing abundant dissolved gas flows from a volcano or is blown out during an eruption. As the molten rock emerges from the Earth, the pressure upon it is reduced and the dissolved gas starts to escape in the form of bubbles

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