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Obsidian
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What is dark glassy volcanic rock called?
obsidian
What are the properties of scoria rock?
Scoria is a highly vesicular (porous), dark colored volcanic rock.
What type of rock makes up the dark spots on the Moon?
The dark spots on the Moon, known as lunar maria, are made up of basalt rock formed from ancient volcanic activity. Basalt is a dark-colored, fine-grained volcanic rock that is rich in iron and magnesium minerals.
Dark fine grainmed volcanic rock consisting of plagioclase feldspar?
andesite
What does basalt?
A dark fine-grained volcanic rock that sometimes displays a columnar structure
Is basalt a dark and green igneous rock?
Basalt is a dark-colored igneous rock that ranges from black to dark green in color. It is commonly found in volcanic areas and is rich in iron and magnesium minerals.
What mafic is like?
Mafic is a silicate mineral or rock that is rich in magnesium and iron, and is usually dark in color. It is formed from cooling volcanic lava.
Most common volcanic rock?
Basalt is the most common volcanic rock. It is a dark-colored, fine-grained volcanic rock that is found in many volcanic settings around the world. Basalt forms from the rapid cooling of magma on the Earth's surface.
What color is basalt?
The rock basalt can be greenish, blackish, or gray.
Dark fine texture rock containing iron magnesium and silica?
The rock you are describing sounds like basalt. Basalt is a dark-colored, fine-grained volcanic rock that is rich in iron, magnesium, and silica. It is commonly found in volcanic regions and is often used in construction and road building due to its durability and strength.
What color is volcanic rock?
Volcanic rock can come in a variety of colors, including black, grey, brown, red, and green. The color of volcanic rock is influenced by factors such as the mineral composition, cooling rate, and presence of other elements or compounds.
Pumice obsidian and scoria are kinds of?
volcanic rocks formed from different processes. Pumice is a light and porous rock formed from foamy lava, obsidian is a dark volcanic glass formed from quickly cooled lava, and scoria is a dark, vesicular rock formed from gas-rich lava.
