crossword clue igneous rock – All Crossword Answers
Stuck on 'igneous rock' in your crossword? You've come to the right place! Find all possible solutions, from short and quick to longer, more descriptive answers, right here on Crosswordanswer.co.uk.
Solutions for "crossword clue igneous rock" by Letter Count
6 Letters
BASALT: A common, dark, fine-grained volcanic rock.
PUMICE: A very light, porous rock formed when molten rock cools very rapidly and depressurizes.
7 Letters
GRANITE: A common type of felsic intrusive igneous rock that is granular and phaneritic in texture.
8 Letters
OBSIDIAN: A naturally occurring volcanic glass formed as an extrusive igneous rock.
More About "crossword clue igneous rock"
Igneous rocks are fundamental to Earth's geology, forming directly from the cooling and solidification of magma (molten rock beneath the Earth's surface) or lava (molten rock erupted onto the surface). This process can occur quickly, leading to fine-grained or glassy textures, or slowly, resulting in coarse-grained rocks. They are one of the three main rock types, alongside sedimentary and metamorphic rocks, and constitute a significant portion of the Earth's crust.
Examples of igneous rocks are widespread and varied. Common types include basalt, which forms much of the ocean floor and volcanic islands, and granite, a primary component of continental crust. Other well-known igneous rocks include obsidian, a volcanic glass, and pumice, a lightweight rock often used in abrasives. Understanding these various forms can be a key to unlocking crossword clues related to geology.
Tips For Your Next Puzzle
- Consider specific rock types: For geology clues, think about specific rock classifications (igneous, sedimentary, metamorphic) and common examples within each.
- Check for synonyms: While 'igneous' is precise, other terms like 'volcanic' or 'plutonic' describe aspects of these rocks and might lead to alternative crossword answers or related clues.
- Use surrounding letters: If you have a few letters filled in, try to think of igneous rock names that fit the existing pattern and length requirements.
For more advice, visit our page on general crossword strategies.
Frequently Asked Questions
What is an igneous rock?
Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava). They are one of the three main rock types, alongside sedimentary and metamorphic rocks.
How many letters do common igneous rock answers have?
Common answers for 'igneous rock' in crosswords often range from 6 to 8 letters, with examples like BASALT (6), GRANITE (7), and OBSIDIAN (8).
Can igneous rocks be formed in different ways?
Yes, igneous rocks can be intrusive (plutonic), forming from magma cooling slowly below the Earth's surface, or extrusive (volcanic), forming from lava cooling quickly on the surface.