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Formation of lithified micritic laminae in modern marine stromatolites (Bahamas): The role of sulfur cycling
Formation lithified micritic laminae modern marine stromatolites (Bahamas) sulfur cycling
2012/4/1
Microbial mats on the surfaces of modern, marine stromatolites at Highborne Cay, Ba-hamas, were investigated to assess the role of microbial processes in stromatolite forma-tion. The Highborne Cay str...
Sulfur isotope variability in biogenic pyrite: Reflections of heterogeneous bacterial colonization?
Sulfur isotope variability biogenic pyrite Reflections colonization
2012/4/1
The top 20 cm of sediments at active cold seeps in Monterey Bay, coastal California,contain framboidal pyrite that occurs as infillings and pseudomorphs of the chambers of the tests of foraminifera an...
Sulfur and iron surface states on fractured pyrite surfaces
Sulfur iron surface states pyrite surfaces
2012/4/1
Pyrite has a poor {001} cleavage. Unlike most other minerals with a rocksalt-type structure, pyrite typically fractures conchoidally, demonstrating that parting surfaces are not constrained to the {00...
Factors controlling sulfur concentrations in volcanic apatite
Factors controlling sulfur concentrations volcanic apatite
2012/4/6
Apatitecrystalsfromtwotypesofsampleswereanalyzedbyelectronmicroprobefor15majorandtraceelements:(1)apatiteinHO-andS-saturatedexperimentalchargesof
the1982ElChicho!ntrachyandesiteand(2)apatiteinvolcani...