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Thursday’s Gossan – Our Early Exploration
Composite section – key elements
Aplite vein-dykes and porphyry A-M veins
4.
Porphyry M veins in QDP and high-phos microdiorite
5.
i. Magnetite ± quartz
ii. Quartz with magnetite margins ± magnetite
centrelines
iii. Laminated M veins
Massive to semi-massive porphyry ‘D’ veins (from
6.
porphyry 3?) cut QDP (porphyry 2)
Porphyry ‘D’ veins are brecciated / re-opened and in-
7.
filled by high-tenor copper sulphides (pro-grade
porphyry 4 event?)
8. Late dacite and lamprophyre dykes
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