Igneous Rock

Science / Geology / Igneous Rock: A rock formed by the crystallization of magma or lava. Pictures of Igneous Rocks

Other Words for Rock

Rock Adjective Synonyms: crag, tor, escarpment, scarp, outcrop, outcropping
Rock Noun Synonyms: stone, boulder
MORE

Intermediate Rock

Science / Geology / Intermediate Rock: An igneous rock that has an intermediate silica content. Examples are syenite and diorite. Also see entries for acidic, basic and ultrabasic rocks. MORE

Intrusive Rock

Science / Geology / Intrusive Rock: Igneous rock that is interpreted as a former intrusion from its cross-cutting contacts, chilled margins, or other field relations. MORE

Ultrabasic Rock

Science / Geology / Ultrabasic Rock: An igneous rock with a very low silica content and rich in minerals such as hypersthene, augite and olivine. These rocks are also known as ultramafic rocks. MORE

Rock Cycle

Science / Geology / Rock Cycle: The geologic cycle, with emphasis on the rocks produced: sedimentary rocks are metamorphosed to metamorphic rocks, or melted to create igneous rocks, and all rocks may be uplifted and eroded to make s MORE

Acidic Rock

Science / Geology / Acidic Rock: An igneous rock that has a relatively high silica content. Examples are granite and rhyolite. Also see entries for basic, intermediate and ultrabasic rocks. MORE

Basic Rock

Science / Geology / Basic Rock: An igneous rock that has a relatively low silica content. Examples are gabbro and basalt. Also see entries for acidic, intermediate and ultrabasic rocks. MORE

Links
Home
Glossary
Thesaurus