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El Zorro IRG Intrusions
• A fertile igneous suite -
• hydrous gabbroic magma sources – wet magmas containing hornblende and biotite
• Differentiated (telescoping??) comagmatic igneous suite of intrusions
• High igneous variation from a single magma source – gabbro – tonalite – diorite - granodiorite
The El Zorro data are quite similar to the intrusives
from the Tintina IRG Belt in the Yukon; notably, the Cs
is elevated in both the Yukon and El Zorro relative to
gold-fertile arc rocks elsewhere.
Mair, J.L. & Hart, Craig & Groves, D. & Goldfarb, Richard. (2004). The
nature of Tombstone Plutonic Suite rocks at Scheelite Dome, Tintina Gold
Province: evidence for an enriched mantle contribution. The Ishihara
Symposium: Granites and Associated Metallogenesis. Geoscience
Australia, Extended Abstracts. 93-96.
TESORO RESOURCES (ASX:TSO) | EL ZORRO PRESENTATION 8
