What is the difference between obsidian and basalt

739 Views    154 Likes

Though obsidian is usually dark in color, similar to mafic rocks such as basalt, obsidian's composition is extremely felsic. ... Because obsidian is metastable at the Earth's surface (over time the glass becomes fine-grained mineral crystals), no obsidian has been found that is older than Cretaceous age.

Category: Question and Answer

Updated: 2019/10/18

Source:

Question and Answer

Content:

Your Name:

Country or Area:

Email:

Related Stone Articles

Can granite give you cancer Posted Date: 2019/10/23
What is the cost of marble slab Posted Date: 2023/6/12
How much does a block of marble cost Posted Date: 2019/10/14
Is Onyx good for bathroom Posted Date: 2019/10/24

Hot Stone Topics

Need products? Please tell us your needs here!
Submit Requirements
Register Free Stone Articles