Natural Samples Of Igneous Rocks

 Natural Rocks Specimen Introduction 

Mineral Specimen——Samples of Igneous Rocks

Igneous rock, or magmatic rock, is one of three types of rock formed when magma cools (magma ejected from the earth's crust, or existing rock that has been melted).More than 700 types of magmatic rocks have been found, most of them in the earth's crust.The common magmatic rocks are granite, andesite and basalt, etc.In general, magmatic rocks tend to occur in volcanic areas where plates meet.

 Natural Rocks Specimen List 

Rock Specimens——Samples of Igneous Rocks

1.Gray pumice 
2.Red pumice 
3.Dolerite 
4.Vesicular basalt 
5.Dacite 
6.Moyite
7.Plagiogranite 
8.Momzonide granite 
9.Basaitic 
10.Sinter brecciated tuff 
11.Trachyandesitic tuff
12.Voicanic breccia
13.Quart porphyry 
14.Diorite-prophyrite
15.Felsitic-porphyry 
16.Perlite 
17.Obsidian 
18.Diabase
19.Trachyandensite 
20.Andesite
21.Rhyolite 
22.Quartz-syenite 
23.Quartz diorite 
24.Peridotite

 Biology Specimen Natural Rocks Specimen Image 

Biological Specimen Natural Rocks Specimen——Samples of Igneous Rocks