Correct option is C
The Correct Answer Is: (C) Dolomite
Explanation:
Dolomite is NOT an igneous rock; it is a sedimentary rock.
It mainly consists of the mineral dolomite (calcium magnesium carbonate - CaMg(CO₃)₂) and forms from the chemical alteration of limestone.
It is commonly found in marine environments and is often associated with limestone deposits.
On the other hand, Basalt, Granite, and Diorite are all igneous rocks, formed through the cooling and solidification of magma or lava.
Information Booster:
- Igneous Rocks: Formed from the solidification of magma (intrusive) or lava (extrusive).
- Sedimentary Rocks: Formed by the deposition and compaction of mineral particles over time.
- Metamorphic Rocks: Formed by the transformation of existing rocks under heat and pressure.
Additional Knowledge:
- Basalt – A dark-colored, fine-grained extrusive igneous rock, formed from lava cooling rapidly on the Earth's surface.
- Granite – A coarse-grained intrusive igneous rock, rich in quartz and feldspar, formed by slow cooling of magma beneath the Earth's surface.
- Diorite – A medium to coarse-grained intrusive igneous rock, consisting mainly of plagioclase feldspar, amphibole, and minor quartz.
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