Browsing: minerals
Eleven million years ago, an asteroid hit Mars, sending debris flying through space. One of these masses eventually crashed into Earth. During initial investigation of this…
Life as we know it is mostly composed of elements such as carbon, oxygen, and nitrogen. Although these elements were common in the environment 4 billion…
Carbonate minerals are an integral part of the carbon and water cycles, both of which are implicated in habitability, making them of particular interest in paleoenvironmental…
I The backyard of the federal police headquarters in Roraima, Brazil’s northernmost state, is littered with huge bags of cassiterite, a pitch-black, gravel-like mineral. Though less…
Researchers from the Scottish Institute for Marine Science have discovered that the deep ocean floor of the Pacific Ocean, covered with polymetallic nodules, produces so-called “dark…
A sample of cement made from the mineral olivine, which helps sequester carbon during productionHelen Sandberg/Ceratec An abundant mineral called olivine helps make carbon-negative cement. This…
Venus’ clouds are thought to be composed of trace elements such as sulfuric acid and iron-containing compounds. The concentration of each of these compounds varies with…
NASA’s EMIT has produced the first global map of hematite, goethite, and kaolinite in the dry regions of Earth using data from the year ending November…