February 2014

Flame structures

flame structures taken by Nik D. This an example of soft sediment deformation, the lighter colored material is a more c…

Opalized Wood Fossil

Opalized Wood Boulder Incredibly Rare, Bright Emerald Green & Blue Growth Rings Opal is hydrous silica ( SiO₂·…

The Oil reserves

Oil reserves are the amount of technically and economically recoverable oil. Reserves may be for a well, for a reservoir,…

Eye Agate

Locality: Brazil Note: The mineral species Eye Agate is not listed in our database for this locality. This specimen ma…

The Lava Trees Forest

Forest of lava trees resulting from eruption of a 1-km-line of vents east of Pu‘u Kahaualea. The bulbous top of e…

The Principle of Lateral Continuity

The principle of lateral continuity states that layers of sediment initially extend laterally in all directions; in oth…

What Is Orbicular Granite?

What Is Orbicular Granite? Orbicular granite (also known as orbicular rock or orbiculite) is an uncommon pluton…

Worlds largest Ammonite

Worlds largest known ammonite

Smoky Quartz

Gemmy lustrous Smoky Quartz with 2 shards of Calcite from Schafkopf, Hollersbachtal, Pinzgau, Salzburg, Austria. L…

Gorgeous zoned golden Fluorite with Calcite crystals and Pyrite!

Gorgeous zoned golden Fluorite with Calcite crystals and Pyrite! Honestly, they don't get much better than this combi…

Geologists solve mystery of the Colorado Plateau

A convective "drip" of lithosphere (blue) below the Colorado Plateau is due to delamination caused by rising, …