In 2012, NASA's Mars Rover Curiosity photographed an outcrop with sedimentary structures resembling Earth's cross-bedded sandstones. The cross bedding, with large-scale layers sloping to the left, ...

These brick-shaped building blocks are known as Copperhouse slag or scoria blocks. This is a typical example. They were cast from the residue of the copper smelting works that operated at ...

Ted Orenstein, a former money manager for Steven A. Cohens troubled hedge fund, will join Scoria Capital Partners where he will focus on industrial stocks. Orenstein starts trading at Scoria, which is ...