Arquivos do autor:geolifemobile

Graphite is a natural form of carbon crystallized under lower pressures and temperatures than those needed to stabilize diamond. It is a very important mineral resource with applications in the steel industry, as a lubricant, in refractories, paints, oven and brake linings, brushes, batteries, electrodes, pencils, explosives, magnetic tapes, fertilizers and in the making ofContinuar lendo “Graphite deposits, burial of organic carbon and the first appearance of complex life forms / Depósitos de grafita, soterramento de carbono orgânico e a primeira aparição das formas de vida complexas”

PLAGIOGRANITO – um componente muito importante do fundo do oceano! Do you know what plagiogranite is? This very special type of granite is composed of plagioclase with small amounts of quartz and ferromagnesian minerals. They were long recognized as very important parts of ophiolitic complexes, rocks that represent ancient pieces of ocean floor that areContinuar lendo “PLAGIOGRANITE – a very important component of the ocean floor!”