The Potteries Museum & Art Gallery logo   Enrich UK logo Stoke on Trent City Council logoNew Opportunities Fund and City of Stoke-on-Trent logos
 Home   Species   Habitat   Place   Map   Learning    Zone   Identifying rocks, minerals and fossils / Coarse grained igneous rocks 
natural history page title
Identifying rocks, minerals and fossils
Introduction
What is a rock?
What is a mineral?
What is a fossil?
 Rock, mineral or fossil?
Rock key
    Sedimentary
        
     Igneous
        Fine grained 
            key
        Pumice
        Obsidian
        Basalt
        Unknown fine 
            grained
        Coarse 
           grained 
           key
        Granite
        Unknown 
           coarse 
           grained

    Metamorphic
    Unknown
Mineral key
Fossil key
 Helpful Books

     

                                                                                                       PAGE 1 OF 1


Igneous rock key - coarse grained rocks

Read the descriptions below and choose the one that most closely describes the rock you are trying to identify.

Can you see separate crystals of different colours in the rock? 

thumbnail image of a coarse grained igneous rock (granite) linking to information about granite

                                                                     

thumbnail image of a fine grained igneous rock (pumice) linking to general information about igneous rocks

Yes


No