New way to date rocks

A new way to date a common mineral could help pinpoint ore deposits and improve mineral exploration globally, according to University of Queensland scientists.

Transaction fees change the culture of bitcoin, study says

Bitcoin transaction fees—financial rewards for adding certain records to a blockchain ahead of others—keep the cryptocurrency functioning, but may threaten its long-term viability and contribute to its energy waste, according ...

Papua New Guinea shutters polluting Chinese plant

Papua New Guinea said Thursday it had ordered the indefinite closure of a multi-billion dollar Chinese-owned nickel facility that spewed potentially toxic red slurry into the sea.

Lead poisoning reduced with safer mining practices

A pilot program to introduce safer mining practices in Nigerian gold mining communities has reduced blood lead levels by 32 percent, according to a study published today. This is the first study to report on a successful ...

Clay minerals call the shots with carbon

Clay minerals suspended in seawater binds sedimentary organic carbon to their mineral surfaces. But the quantity of carbon that is bound and the source of that carbon very much depends on the clay mineral in question. A research ...

Curiosity rover finds an ancient oasis on Mars

If you could travel back in time 3.5 billion years, what would Mars look like? The picture is evolving among scientists working with NASA's Curiosity rover.

Getting to the root of carbon storage in deep soils

Land use changes, nutrient depletion, and drought can make plant roots grow deeper into the soil. But scientists question how that growth affects carbon in the soil. Could more roots reaching deep soil layers result in more ...

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Mineral

A mineral is a naturally occurring solid formed through geological processes that has a characteristic chemical composition, a highly ordered atomic structure, and specific physical properties. A rock, by comparison, is an aggregate of minerals and/or mineraloids, and need not have a specific chemical composition. Minerals range in composition from pure elements and simple salts to very complex silicates with thousands of known forms. The study of minerals is called mineralogy.

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