Description Details for Porphyry Cu-Au - GeoReference Online Ltd.

Georeference Online Ltd.

USGS Porphyry Cu-Au Model: Attribute - Value			Frequency
	Age - Quaternary		sometimes
	Age - Cretaceous		sometimes
	Age - Tertiary		sometimes
	Age - !OTHERS		rarely
	Alteration - altAssemblage 1 <--		sometimes
		AlterationType - potassic	always
		ElementEnhanced - Fe	sometimes
		ElementEnhanced - Cu	sometimes
		ElementEnhanced - Au	sometimes
		ElementEnhanced - Ag	sometimes
		MineralEnhanced - magnetite	sometimes
		MineralEnhanced - quartz	always
		MineralEnhanced - Biotite	sometimes
		MineralEnhanced - chlorites	sometimes
		MineralEnhanced - k_feldspar	sometimes
		MineralEnhanced - actinolite	sometimes
		MineralEnhanced - anhydrite	sometimes
		OccursAtLeastPartlyWithin - zoneIn 1 -->	always
		OccursAtLeastPartlyWithin - zoneOut 2 -->	always
		OccursAtLeastPartlyWithin - zoneIn 3 -->	always
	Alteration - altAssemblage 2 <--		sometimes
		AlterationType - phyllic	always
		ElementEnhanced - Mo	sometimes
		ElementEnhanced - Pb	sometimes
		ElementEnhanced - Zn	sometimes
		ElementEnhanced - Mn	sometimes
		MineralEnhanced - Muscovite	sometimes
		MineralEnhanced - clay_minerals	sometimes
		MineralEnhanced - Pyrite	sometimes
		MineralEnhanced - quartz	sometimes
		OccursAtLeastPartlyWithin - zoneIn 2 -->	always
	Alteration - altAssemblage 3 <--		sometimes
		AlterationType - propylitic	always
		OccursAtLeastPartlyWithin - zoneOut 3 -->	always
	Alteration - altAssemblage 4 <--		sometimes
		AlterationType - sericite-quartz	always
		MineralEnhanced - quartz	sometimes
		MineralEnhanced - Pyrite	sometimes
		MineralEnhanced - sericite	usually
		MineralEnhanced - clay_minerals	sometimes
		MineralEnhanced - calcite	sometimes
		OccursAtLeastPartlyWithin - zoneIn 3 -->	always
	DepositClassAssociated - Porphyry Cu-Mo		sometimes
	DepositClassAssociated - Placer Au-PGE		sometimes
	Mineralisation - minAssemblage 1 <--		sometimes
		ElementEnhanced - Ag	sometimes
		ElementEnhancedToOre - Cu	always
		ElementEnhancedToOre - Au	always
		FormMineralisation - vein	sometimes
		FormMineralisation - dissemination	sometimes
		MineralEnhanced - Biotite	sometimes
		MineralEnhanced - magnetite	sometimes
		MineralEnhanced - chlorites	sometimes
		MineralEnhanced - actinolite	sometimes
		MineralEnhanced - anhydrite	sometimes
		MineralEnhanced - sylvanite	sometimes
		MineralEnhanced - Hessite	sometimes
		MineralEnhanced - quartz	sometimes
		MineralEnhanced - k_feldspar	sometimes
		MineralEnhancedToOre - gold	sometimes
		MineralEnhancedToOre - chalcopyrite	usually
		MineralEnhancedToOre - bornite	sometimes
		OccursAtLeastPartlyWithin - zoneIn 2 -->	always
		OccursAtLeastPartlyWithin - zoneIn 3 -->	always
		OccursAtLeastPartlyWithin - zoneIn 1 -->	always
	RockHost - dacitic tuff <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	RockHost - syenite <--		sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
	RockHost - andesite <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	RockHost - dacite <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	RockHost - granodiorite <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	RockHost - shoshonite <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	RockHost - monzogranite <--		sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
	RockHost - monzonite <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	RockHost - andesitic tuff <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	RockHost - tonalite <--		sometimes
		HostsAtLeastPartly - zoneIn 1 -->	sometimes
		HostsAtLeastPartly - zoneOut 2 -->	sometimes
	Weathering - weathAssemblage 2		sometimes
		MineralEnhanced - Rutile	sometimes
	Weathering - weathAssemblage 1 <--		sometimes
		Colour - brown	sometimes
		Colour - blue	sometimes
		Colour - green	sometimes
		ElementEnhanced - Au	sometimes
		ElementEnhanced - Cu	usually
		OccursEntirelyWithin - zoneOut 1 -->	always
	ZoneIn - zoneIn 1 <--		sometimes
		ContainsAtLeastPartOf - altAssemblage 1 -->	always
		ContainsAtLeastPartOf - minAssemblage 1 -->	always
		HostedAtLeastPartlyBy - andesite -->	sometimes
		HostedAtLeastPartlyBy - andesitic tuff -->	sometimes
		HostedAtLeastPartlyBy - dacite -->	sometimes
		HostedAtLeastPartlyBy - dacitic tuff -->	sometimes
		HostedAtLeastPartlyBy - granodiorite -->	sometimes
		HostedAtLeastPartlyBy - monzogranite -->	sometimes
		HostedAtLeastPartlyBy - monzonite -->	sometimes
		HostedAtLeastPartlyBy - shoshonite -->	sometimes
		HostedAtLeastPartlyBy - syenite -->	sometimes
		HostedAtLeastPartlyBy - tonalite -->	sometimes
		ZoneInType - centre	always
	ZoneIn - zoneIn 2 <--		sometimes
		ContainsAtLeastPartOf - altAssemblage 2 -->	always
		ContainsAtLeastPartOf - minAssemblage 1 -->	always
		ZoneInType - inner	always
	ZoneIn - zoneIn 3 <--		sometimes
		ContainsAtLeastPartOf - minAssemblage 1 -->	always
		ContainsAtLeastPartOf - altAssemblage 1 -->	always
		ContainsAtLeastPartOf - altAssemblage 4 -->	always
	ZoneOut - zoneOut 1 <--		sometimes
		ContainsTheEntire - weathAssemblage 1 -->	always
	ZoneOut - zoneOut 2 <--		sometimes
		ContainsAtLeastPartOf - altAssemblage 1 -->	always
		HostedAtLeastPartlyBy - andesite -->	sometimes
		HostedAtLeastPartlyBy - andesitic tuff -->	sometimes
		HostedAtLeastPartlyBy - dacitic tuff -->	sometimes
		HostedAtLeastPartlyBy - granodiorite -->	sometimes
		HostedAtLeastPartlyBy - monzogranite -->	sometimes
		HostedAtLeastPartlyBy - monzonite -->	sometimes
		HostedAtLeastPartlyBy - shoshonite -->	sometimes
		HostedAtLeastPartlyBy - syenite -->	sometimes
		HostedAtLeastPartlyBy - dacite -->	sometimes
		HostedAtLeastPartlyBy - tonalite -->	sometimes
	ZoneOut - zoneOut 3 <--		sometimes
		ContainsAtLeastPartOf - altAssemblage 3 -->	always
		ZoneOutType - !OTHERS	always

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Date Generated: 14/05/2002 6:16:53 PM.