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Alunite from
Lepanto Mine, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines


Locality type:Mine
Classification
Species:Alunite
Formula:KAl3(SO4)2(OH)6
Age information
Maximum recorded age:1.56 ± 0.29 Ma
Minimum recorded age:1.17 ± 0.16 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
11.56 ± 0.29 MaPleistocene - K-Ar
21.46 ± 0.06 MaPleistocene - K-Ar
31.44 ± 0.1 MaPleistocene - K-Ar
41.44 ± 0.08 MaPleistocene - K-Ar
51.39 ± 0.06 MaPleistocene - K-Ar
61.35 ± 0.1 MaPleistocene - K-Ar
71.17 ± 0.16 MaPleistocene - K-Ar
Sample references:
1 -
Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepci
2 -
Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepci
3 -
Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepci
4 -
Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepci
5 -
Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepci
6 -
Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepci
7 -
Arribas, A., Hedenquist, J. W., Itaya, T., Okada, T., Concepci
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alunite data
Locality Data:Click here to view Lepanto Mine, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
Data Identifiers
Mindat Occurrence Record ID:109443
Long-form Identifier:1:3:109443:5
GUID (UUID V4):0
Nearest other occurrences of Alunite
0.8km (0.5 miles) ⓘFar Southeast Cu-Au deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
1.8km (1.1 miles) ⓘMankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
1.8km (1.1 miles) ⓘNorthwest deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
2.1km (1.3 miles) ⓘFlorence West deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
2.7km (1.7 miles) ⓘFlorence East deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
2.8km (1.7 miles) ⓘCarmen deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
8.0km (5.0 miles) ⓘGuinaobagan Cu deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
54.5km (33.9 miles) ⓘKelly deposit, Baguio, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
61.7km (38.3 miles) ⓘBatong Buhay Mine, Kalinga Province, Cordillera Administrative Region, Luzon, Philippines
References
Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (1990) Handbook of Mineralogy Vol. 1 - Elements, Sulfides, Sulfosalts. Mineral Data Publishing, Tucson, Arizona.
Hassan-Nezhad, A. A., & Moore, F. (2006). A stable isotope and fluid inclusion study of the Qaleh-ZariCu–Au–Ag deposit, Khorasan Province, Iran. Journal of Asian Earth Sciences, 27(6), 805-818.
Hedenquist, Jeffrey W., Arribas R., Antonio, Aoki, Masahiro (2017) Zonation of Sulfate and Sulfide Minerals and Isotopic Composition in the Far Southeast Porphyry and Lepanto Epithermal Cu-Au Deposits, Philippines. Resource Geology, 67 (2) 174-196 doi:10.1111/rge.12127
 
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