نتایج جستجو برای: minerals

تعداد نتایج: 22629  

2009
N. Babu N. Vasumathi R. Bhima Rao

The red sand which is known as Teri sand in Tamil Nadu consists of 5.5% Total Heavy Minerals (THM) out of which 3.7% is ilmenite. The other minerals, zircon, sillimanite and garnet are in the order of abundance identified. On processing this feed to recover ilmenite by using spirals followed by dry high intensity magnetic separator and high tension separator, the ilmenite concentrate obtained c...

2017
Aude Picard Amy Gartman David R. Clarke Peter R. Girguis

Sedimentary iron sulfide minerals play a key role in maintaining the oxygenation of Earth’s atmosphere over geological timescales; they also record critical geochemical information that can be used to reconstruct paleo-environments. On modern Earth, sedimentary iron sulfide mineral formation takes places in low-temperature environments and requires the production of free sulfide by sulfate-redu...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2011

Journal: :Journal of the Mineralogical Society of Japan 1959

Journal: :American Journal of Public Health and the Nations Health 1943

Journal: :Policy Quarterly 2011

Journal: :Journal of the Mineralogical Society of Japan 1993

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