Rock Hounds and Carbon Minerals
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Science writing assignment Physical Science 102VBOctober 15, 2016Jessica BennettRock Hounds and Carbon Minerals Northern Spain is the home of the Eureka uranium mine. It is a maze of long, dark tunnels with water that seeps down the walls. When the water evaporates into the tunnels’ cool air some of the dissolved ingredients combined to make a substance into a solid form. A Physicist at the Institute of Earth Sciences, Jordi Ibanez-Insa, said the mine is a crystalized factory of weird minerals. The uranium-bearing ores that once attracted miners to Eureka has produced about 61 different minerals. One of the latest finds, the abellaite, is a rarity that grows in small pincushions of tiny crystalline needles about 40-50 micrometers long. This crystal is so rare it has only been found on the walls of a 3-meter king stretch in the tunnel.
Last December until September 19 began The Carbon Mineral Challenge. The premise behind the challenge is for researchers to scour the landscape and their museum drawers for unknown carbon-bearing minerals. Currently, there are about 548 carbon bearing minerals and over 100 waiting to be found! The most interesting fact is that most minerals are as common as dirt and out of the 5000 recognized minerals, about 100 have been reported by geologist at more than 1,000 sites worldwide. At least 1,000 minerals have been found in only one locale.