Flame structures
flame structures taken by Nik D. This an example of soft sediment deformation, the lighter colored material is a more c…
flame structures taken by Nik D. This an example of soft sediment deformation, the lighter colored material is a more c…
Opalized Wood Boulder Incredibly Rare, Bright Emerald Green & Blue Growth Rings Opal is hydrous silica ( SiO₂·…
Oil reserves are the amount of technically and economically recoverable oil. Reserves may be for a well, for a reservoir,…
Locality: Brazil Note: The mineral species Eye Agate is not listed in our database for this locality. This specimen ma…
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 states that layers of sediment initially extend laterally in all directions; in oth…
What Is Orbicular Granite? Orbicular granite (also known as orbicular rock or orbiculite) is an uncommon pluton…
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! Honestly, they don't get much better than this combi…
A convective "drip" of lithosphere (blue) below the Colorado Plateau is due to delamination caused by rising, …