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Alunite from
Far Southeast Cu-Au deposit, Bato Tabio, Mancayan mineral district (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, Philippines

Locality type:Deposit
Classification
Species:Alunite
Formula:KAl3(SO4)2(OH)6
Age information
Maximum recorded age:1.34 ± 0.2 Ma
Minimum recorded age:1.34 ± 0.2 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
11.34 ± 0.2 MaPleistocene - K-Ar
Sample references:
SampleReference
1 - Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepción, R. A., & Garcia, J. S. (1995) Contemporaneous formation of adjacent porphyry and epithermal Cu-Au deposits over 300 ka in northern Luzon, Philippines. Geology,23(4), 337-340.
Confirmation
Validity:Believed Valid
References
References:Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
Data
Mineral Data:Click here to view Alunite data
Locality Data:Click here to view Far Southeast Cu-Au deposit, Bato Tabio, Mancayan mineral district (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, Philippines
Nearest other occurrences of Alunite
7.6km (4.7 miles) ⓘGuinaobagan Cu deposit, Bato Tabio, Mancayan mineral district (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, Philippines
61.4km (38.2 miles) ⓘBatong Buhay Mine, Kalinga-Apayao Province, Cordillera Administrative Region, Luzon, Philippines
 
矿物 and/or 产地  
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