Consider the following rocks:
- Anthracite coal
Which of the above is/are sedimentary rock(s)?
Marble is a metamorphic rock. Similarly, anthracite coal is a metamorphic rock. Other examples of metamorphic rocks include anthracite, quartzite, marble, slate, granulites, gneiss and schist. Examples of sedimentary rocks are: Conglomerate, Breccia, Sandstone, Siltstone, Limestone, etc. Coal is an organic sedimentary rock.
This question is a part of GKToday's Integrated IAS General Studies Module