Search results for keyword: meso
Bubble mineralization
Bubble mineralization is a process by which mineral particles are concentrated in cavities created by the escape of dissolved minerals from shallow pockets of water into the surrounding, permeable rock matrix. This process is particularly important in the precipitation of zinc, iron, and other met......
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Sophia
Mineral Surface Inhomogeneity
Introduction
Minerals are solid, naturally occurring substances that make up Earths outermost crust. They form via geological processes, meaning their properties and composition are determined by the environment in which they are found and the rocks and soil that surround them. They come in many ......
mineral surface contamination
Overview of Mineral Surface Contamination
Mineral surface contamination is a widespread problem that often has serious consequences. Minerals, such as sedimentary rocks, are found in a variety of locations, ranging from soils to streams and lakes. As such, they are commonly exposed to a variety o......
draw ore
Mining is a process or activity of extracting coal, ore, or minerals from the ground, usually from a river, a mountain, or an ocean. Mining is a key component of industrialization, and has been practiced in many cultures for thousands of years, from ancient China and mesopotamia to modern-day Amer......
Rammelsberg mine
Ramelsberg Mining
The Ramelsberg mining area has a long and varied history, with mining of copper, silver, and gold stretching back more than 800 years. Mining in the area ensued first with surface mining, followed by open-pit mining, and finally, underground mining. This makes the Ramelsberg min......
asbestosis
Asbestos Lung
Asbestos lung is a medical diagnosis of lung conditions caused by the inhalation of microscopic asbestos fibers. Asbestos is a naturally occurring mineral with a fibrous form. The fibers have excellent insulation and heat resistant properties, so they have been used in many industria......
Lung cancer caused by asbestos
Asbestos-Related Lung Cancer
Asbestos is a naturally occurring mineral that has been used for centuries for its strength and insulation properties. Unfortunately, these same properties also make asbestos fibers hazardous if inhaled. Asbestos-related lung cancers, known as mesothelioma, emerge lon......
Silica dust
Exploring the Small World of Nanoparticles
The world at the nanoscale is incredibly small and complex. A nanometer, the unit of length commonly used to measure such particles, is one billionth of a meter—therefore, one strand of human hair is roughly 100,000 nanometers wide! Nanoparticles, nanom......
ancient chinese sail
Chinese Ancient Sailing Ships
China has a long and illustrious record of craftsmanship, reaching back over 6,000 years. One of the most remarkable and long-lasting creations of these ancient artisans were the sailing ships used to voyage across the open seas.
Chinese small ships have been around......
D
The Grinding Wheel
The grinding wheel is an ancient invention that is still widely used today for a variety of grinding and cutting tasks in industry and at home. The grinding wheel works by quickly spinning, in a circle, a sharpened abrasive surface at a high speed. This abrasive surface is then......
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