Siscoe

Name: Siscoe, isotope signatures
Creator: IsoFind

Val-d'Or, Quebec (Abitibi greenstone belt), Canada

Orogenic goldAu (W)

Type: Gold-scheelite quartz veins in a greenstone belt

Gold-scheelite quartz veins of the Abitibi belt (mineralisation about 2.69 to 2.58 Ga). Very unradiogenic lead of mantle or juvenile origin. Indicative coordinates.

206Pb/204Pb isotope ratio, no unit Values of the same system

Standard : NIST SRM 981

Value	Range	n	Mineral or matrix	Source
13.525		1	scheelite One analysis, Table 2. Measured ratios, not age-corrected: the author regards them as close to initial common lead.	Chiaradia (2003), The evolution of tungsten sources in crustal mineralization from Archea…

207Pb/204Pb isotope ratio, no unit Values of the same system

Standard : NIST SRM 981

Value	Range	n	Mineral or matrix	Source
14.575		1	scheelite One analysis, Table 2. Measured ratios, not age-corrected: the author regards them as close to initial common lead.	Chiaradia (2003), The evolution of tungsten sources in crustal mineralization from Archea…

208Pb/204Pb isotope ratio, no unit Values of the same system

Standard : NIST SRM 981

Value	Range	n	Mineral or matrix	Source
33.269		1	scheelite One analysis, Table 2. Measured ratios, not age-corrected: the author regards them as close to initial common lead.	Chiaradia (2003), The evolution of tungsten sources in crustal mineralization from Archea…

Deposits of the same type

Cite this page

IsoFind Atlas (2026). Siscoe, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/siscoe/ (accessed 2026-10-13).

@misc{isofind2026siscoeisotopesignatures,
  title = {Siscoe, isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/siscoe/},
  note = {Accessed 2026-10-13}
}

Updated : 2026-10-13