love these pop art geodes! only $650 ;) (via Grey Area | UNTITLED (GEODE #8))
Don’t they look like veins??
Beautiful.
This, is Persistance.
polygonal joint pattern in basalt
A member of the expedition walks on Nyiragongo’s cooled lava floor
Op-Ed: Is New Zealand facing a possible natural disaster?
Digital Journal recently reported on Mt Tongariro, which has suddenly become active after 100 years. Today there was a report of volcanic rock floating in a huge raft off the coast of New Zealand. Yet another volcano is rumbling around a bit too.
The importance of understanding rock types.
First Reason: You know where to find GOLD.
Click to read more if you want to become a serious gold miner.
Amethyst sage agate.
Usually associated with volcanic rocks. Common in metamorphic rocks.
Gyrolite and Chalcedony. From Mumbai, Maharashtra, India.
The gyrolite are like peas.
Much gyrolite forms inside of volcanic bubbles - http://www.galleries.com/Gyrolite
