Right: OH-defects in young (0.3 Gyr) Variscan granites are one order of magnitude higher than in old (0.9-1.8 Gyr) Proterozoic granites from Scandinavia . The OH-content is reflected in recent ...

The “quartz-monitor” research project investigates the intrinsic chemical variations of detrital monocrystalline quartz and inclusions (mineral and melt) as an innovative sediment provenance tool. The ...

and they are usually derived from igneous and metamorphic rocks in soil (Lapidus 1987). In most soils, feldspars, micas, and quartz are the main primary mineral constituents, and pyroxenes and ...

The object was found at Coto Correa in Las Chapas, a site that has been known since the 1950s, when archaeologists first ...

The film explores the composition and characteristics of rocks and minerals, focusing on granite and its constituent minerals such as feldspar, quartz, and mica. It discusses various methods for ...

Igneous rocks form from the solidification of molten ... it carries dissolved minerals like silica, quartz, and feldspar. When the conditions are just right, these minerals begin to precipitate ...