October 2014

Elestial Amethyst From Australia

Very large single crystal of milky quartz coated on three faces with lustrous bi-pyramidal smoky/amethyst crystals, many …

Ferrierite-Mg, Quartz (Var: Chalcedony) Ferrierite-Mg System: Orthorhombic Colour: White, colorless, ... Lustre: Vit…

Where do the tremendous amounts of material that are ejected to from huge volcanic calderas during super-eruptions actua…

The sediment-based microbes form an important methane "sink," preventing much of the chemical from reaching t…

Cold-water corals of the species Lophelia pertusa are able to fuse skeletons of genetically distinct individuals. Cred…

Crystals of putnisite (purple) . Image credit: P. Elliott et al. The new mineral is named putnisite after Drs Chri…

An artist's impression of the dinosaur Laquintasaura venezuelae, which lived some 200 million years ago in what is no…

Collected from various localities in the Harts Range region, these gemmy Kyanite crystals range from an "icy blue&q…

Here are prehistoric paintings of hoofed animals in a cave with thunderous reverberations located in Bhimbetka, India. …

This image shows hydrocarbon contamination from Deepwater Horizon overlaid on sea floor bathymetry, highlighting the 1,25…

Since early dinosaurs, birds have reduced the number of bones in their wrist, but the origins and identity of those rema…

Monte Roraima is a tepui, a table-top mountain, located on the border between Venezuela, Brazil, and Guyana. It is the highe…

A handy effect This process is an example of the Marangoni effect, which works because the acid distributed in th…

Dryland channels exhibit very simple topography despite being shaped by volatile rainstorms. That paradox has been…

Streamline visualisation provides a 2D generalised representation of recorded electromagnetic fields within deep oceans. …

Holuhraun fissure eruption on the flanks of the Bárðarbunga volcano in central Iceland on Oct. 4, 2014, showing the deve…

A model specific to the submarine environment The data used to construct the model presented in the article were coll…