Results 201 to 210 of about 31,421 (268)

Geochemical cycling of arsenic in magmatic systems across supercontinent cycles. [PDF]

Sci Rep
Cheng Q, Zhou Y, Yang J, Zhang Z, Yang X, Jiang W, Zhao M, Wang J.   +7 more
europepmc   +1 more source

Sequential Leaching and Mineralogical Controls of Rare Earth Elements and Yttrium Occurrence in Bituminous Coal from Upper Silesian Coal Basin (Poland). [PDF]

Materials (Basel)
Adamczyk Z, Komorek J.
europepmc   +1 more source

Potassium enrichment mechanism and controlling factors in Cambrian black shale from eastern Guizhou, China. [PDF]

Sci Rep
Fu J, Tu L, Zhao S, Jiang T, Pan W, Cheng W, Shi C, Yang R, Li Y, Gao J.   +9 more
europepmc   +1 more source

Sulfur microenvironments as hotspots for biogenic pyrite formation. [PDF]

Sci Rep
Sekerci F, Fischer S, Joshi P, Peiffer S, Kappler A, Mansor M.   +5 more
europepmc   +1 more source

Bacterial Tolerance and Bioleaching in the Presence of Chloride. [PDF]

Materials (Basel)
Vardanyan N, Khachatryan A, Melkonyan Z, Abrahamyan N, Barseghyan S, Zhang R, Vardanyan A.   +6 more
europepmc   +1 more source

Integrated radiometric and mineralogical investigation of radioactive mineralization in the El-Erediya Shear Zone, Eastern Desert, Egypt. [PDF]

Sci Rep
Rageh H, Abdel-Hakeem M, El-Tahir M, Zeid EA, Milano M, Abbas MA.   +5 more
europepmc   +1 more source

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The metamorphism of pyrite and pyritic ores: an overview

Mineralogical Magazine, 1993
AbstractPyrite, the most widespread and abundant of sulphide minerals in the Earth's surficial rocks, commonly constitutes the primary opaque phase in ore deposits. Consequently, an understanding of the behaviour of pyrite and its relationships with coexisting phases during the metamorphism of pyritebearing rocks is vital to the interpretation of their
James R. Craig, Frank M. Vokes
openaire   +1 more source

Pyrite footprinting of RNA

Biochemical and Biophysical Research Communications, 2012
In RNA, function follows form. Mapping the surface of RNA molecules with chemical and enzymatic probes has revealed invaluable information about structure and folding. Hydroxyl radicals ((·)OH) map the surface of nucleic acids by cutting the backbone where it is accessible to solvent.
Jörg C, Schlatterer, Matthew S, Wieder, Christopher D, Jones, Lois, Pollack, Michael, Brenowitz   +4 more
openaire   +2 more sources

An XPS study of the oxidation of pyrite and pyrites in coal

Fuel, 1977
Abstract X-ray Photoelectron Spectroscopy (XPS) was used to study mineral, synthetic and coal-associated pyrites, oxidized for various time intervals at low temperatures with humid air or oxygen. This was done to find out if XPS could detect, monitor and clarify pyrite surface-oxidative changes that influence surface-dependent coal-cleaning methods ...
David C. Frost, W.Ross Leeder, Robert L. Tapping, Barry Wallbank   +3 more
openaire   +1 more source

Pyrites: Proptosis

Journal of Pediatric Hematology/Oncology, 2022
Sam, Lyvannak, Phara, Khauv, Frank G, Keller, Vasiliki, Leventaki, Bruce, Camitta   +4 more
openaire   +2 more sources