Trace-element characteristics of different pyrite types in Mesoarchaean to Palaeoproterozoic placer deposits

Humans as the third evolutionary stage of biosphere engineering of rivers

“…These minerals occur as detrital grains within sedimentary deposits of ancient Archean braided river systems from as far afield as Australia (Rasmussen and Buick, 1999), South Africa (e.g. Frimmel, 2005) and North America (Koglin et al, 2010). They are important 4 sources of uranium ore.…”

Electron microprobe analyses of ore minerals and H–O, S isotope geochemistry of the Yuerya gold deposit, eastern Hebei, China: Implications for ore genesis and mineralization

“…Therefore, pyrite can preserve information about the original formation of the sulfides. Trace element compositions of pyrite have been used as genetic fingerprints (e.g., Loftus-Hills and Solomon, 1967); for example, Co/Ni ratios can be used as an empirical indicator of the formation the environment of pyrite (e.g., Davidson, 1962;Loftus-Hills and Solomon, 1967;Bralia et al, 1979;Ivor Roberts, 1982;Bajwah et al, 1987;Raymond, 1996;Craig et al, 1998;Clark et al, 2004;Koglin et al, 2010;Ulrich et al, 2011;Winderbaum et al, 2012). However, the use of this ratio needs to take into account other provenance factors, as obtained from field observations and other data.…”

“…Pyrite and arsenopyrite are important hosts for gold within various types of gold deposit (e.g., Cook and Chryssoulis, 1990;Tauson, 1999;Cook et al, 2009a;Koglin et al, 2010;Ulrich et al, 2011). Pyrite contains Co and Ni that are present as stoichiometric substitutions within the pyrite lattice, indicating that these elements were preserved during subsequent diagenetic and metallogenic events (Huston et al, 1995;Large et al, 2007).…”

“…For example, the presence of trace elements such as Co, Ni, and Se in pyrite is considered to be a reliable indicator of the metallogenic history of a deposit (e.g., Loftus-Hills and Solomon, 1967;Bralia et al, 1979;Huston et al, 1995;Raymond, 1996;Clark et al, 2004;Koglin et al, 2010;Ulrich et al, 2011). Similarly, trace elements in sphalerite can be used as tracers of ore genesis (Cook et al, 2009b;Ye et al, 2011).…”

Mineralium Deposita: change and continuity

“…Frimmel, W.E. Lawrie Minter, and H. Braetz on the trace element composition of pyrite from Mesoarchean and Paleoproterozoic placer deposits (Koglin et al 2010).…”