Ever wonder how Earth scientists examine rocks? We cut them up and throw them under a microscope ... and then everything ...

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure—have been found on Earth. They are formed of simple ...

"These are termed the common rock-forming minerals and include feldspar, olivine, pyroxene, mica, quartz and amphibole." Igneous rocks may be subjected to high heat and pressure, or exposed to ...

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 ...

The Science Education Center houses thousands of rock and mineral samples in what is known as "The Rock & Mineral Room." The entire collection can be viewed by clicking on each of the virtual drawers ...

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 ...

Argent Minerals has uncovered high-grade gold mineralisation at its Trunkey Creek gold project in Kempfield, New South Wales.