Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Benguet Province, Cordillera Administrative Region, Luzon, Philippines

Oldest recorded age at locality: 20
Youngest recorded age at locality: 0.6

mindat Locality ID: 24968
mindat URL: http://www.mindat.org/loc-24968.html

Tectonic Settings:

Total number of sublocalities beneath "Benguet Province, Cordillera Administrative Region, Luzon, Philippines": 30
Total number of bottom-level sublocalities: 21

Number of Child Localities: 8
Child Localities:
Baguio District
Balatoc Property
Benguet Property
Boneng-Lobo District
Kayapa
Kibungan
Mancayan Mineral District (Mankayan)
Sinipsip Prospect

Latitude: 16°37'38"N
Longitude: 120°44'18"E
Decimal Degree (lat, lon): 16.627222222222,120.73833333333
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au Ba Bi C Ca Cl Cu F Fe H Hg K Mg Mn Mo Na Ni O Pb Pd Pt S Sb Si Sn Te Ti V Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteAmphiboleArsenopyriteBaryteCalciteChalcopyriteClayClinozoisiteCopper
CorundumCovelliteDiasporeDigeniteEnargiteEpidoteGermaniteGypsumKaoliniteMalachite
MarcasiteMeloniteMicaMolybdeniteNickelineNoneNot in a structural groupPyritePyrophylliteQuartz
RhodoniteRocksaltRutileSmectite-vermiculiteSphaleriteSpinelStanniteStannoiditeStibniteSulphur
TetrahedriteWurtziteZircon

73 IMA Minerals at location:
Actinolite  (*)Altaite  (*)Alunite  (*)Anhydrite  (*)Anilite  (*)
Annite  (*)Arsenopyrite  (*)Azurite  (*)Baryte  (*)Bismuthinite  (*)
Bornite  (*)Calaverite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)
Chrysocolla  (*)Cinnabar  (*)Coloradoite  (*)Colusite  (*)Copper  (*)
Covellite  (*)Cuprite  (*)Diaspore  (*)Dickite  (*)Digenite  (*)
Enargite  (*)Epidote  (*)Famatinite  (*)Galena  (*)Goethite  (*)
Gold  (*)Goldfieldite  (*)Graphite  (*)Gypsum  (*)Hematite  (*)
Hessite  (*)Idaite  (*)Ilmenite  (*)Jarosite  (*)Kaolinite  (*)
Kotulskite  (*)Luzonite  (*)Magnetite  (*)Malachite  (*)Marcasite  (*)
Merenskyite  (*)Molybdenite  (*)Moncheite  (*)Montmorillonite  (*)Muscovite  (*)
Petzite  (*)Proustite  (*)Pyrargyrite  (*)Pyrite  (*)Pyrophyllite  (*)
Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)Rutile  (*)
Silver  (*)Sopcheite  (*)Sphalerite  (*)Stannoidite  (*)Stibiopalladinite  (*)
Stibnite  (*)Sulphur  (*)Sylvanite  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)
Vysotskite  (*)Zircon  (*)Zunyite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)210.51.5496571,96578,96582,965863419
Altaite  (*)RocksaltPbTe1.50.6396564,96568,96571489
Alunite  (*)NoneKAl3(SO4)2(OH)61.851.01396585,96586,96589966
Anhydrite  (*)Not in a structural groupCa(SO4)200.61096564,96566,96567,96570,96571,96578,96582,96585,96586,965911588
Anilite  (*)DigeniteCu7S43.53.519658688
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)21.51196571356
Arsenopyrite  (*)ArsenopyriteFeAsS10.61965649052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)210.51.5696570,96571,96572,96578,96580,965825509
Baryte  (*)BaryteBa(SO4)201.01496578,96585,96586,9658911547
Bismuthinite  (*)StibniteBi2S31.851.011965891935
Bornite  (*)NoneCu5FeS410.50.61096564,96570,96571,96572,96578,96580,96582,96585,96586,965925516
Calaverite  (*)MeloniteAuTe210.6196564361
Calcite  (*)CalciteCa(CO3)9.50.6696564,96566,96568,96571,96572,9658027770
Chalcocite  (*)NoneCu2S10.51.1696570,96571,96572,96578,96585,965865707
Chalcopyrite  (*)ChalcopyriteCuFeS210.50.61496564,96566,96568,96570,96571,96572,96578,96580,96582,96585,96586,96589,96591,9659227198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O10.51.5496570,96571,96578,965823531
Cinnabar  (*)NoneHgS10.61965642600
Coloradoite  (*)SphaleriteHgTe10.6196564169
Colusite  (*)Sphalerite GermaniteCu13VAs3S161.851.01196589110
Copper  (*)CopperCu1965823846
Covellite  (*)CovelliteCuS10.51.01696570,96571,96578,96585,96586,965894165
Cuprite  (*)Not in a structural groupCu2O1965822970
Diaspore  (*)DiasporeAlO(OH)3.51.1296585,96586481
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)4201.01196586651
Digenite  (*)DigeniteCu1.8S1.851.01296571,965891027
Enargite  (*)Enargite WurtziteCu3AsS410.51.01596578,96583,96585,96586,96589910
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)10.50.6896564,96570,96571,96572,96578,96580,96582,965868173
Famatinite  (*)Stannite SphaleriteCu3SbS4200.6296564,96583163
Galena  (*)RocksaltPbS200.6896564,96568,96571,96578,96580,96585,96589,9659124243
Goethite  (*)DiasporeFeO(OH)10.510.51965787437
Gold  (*)CopperAu10.50.61796564,96567,96568,96570,96571,96572,96573,96574,96576,96578,96580,96585,96586,96589,96590,96591,9659230554
Goldfieldite  (*)Tetrahedrite(Cu4   2)Cu6Te4S133.53.519658872
Graphite  (*)NoneC3.53.51965862812
Gypsum  (*)GypsumCa(SO4)·2H2O200.61096564,96567,96570,96571,96578,96580,96582,96585,96586,965916890
Hematite  (*)CorundumFe2O3200.6996564,96568,96570,96571,96580,96582,96585,96586,9659214640
Hessite  (*)NoneAg2Te1.50.6396564,96571,96576804
Idaite  (*)Stannite SphaleriteCu3FeS43.53.5196586142
Ilmenite  (*)CorundumFe2+Ti4+O32.12.11965705433
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)63.53.51965862228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4201.01396572,96585,965865591
Kotulskite  (*)NickelinePd(Te,Bi)2-x (x ≈ 0.4)1.51296571,96576116
Luzonite  (*)Stannite SphaleriteCu3AsS41.851.01296585,96589198
Magnetite  (*)SpinelFe2+Fe3+2O410.50.61096564,96570,96571,96572,96578,96580,96582,96585,96586,9659214899
Malachite  (*)MalachiteCu2(CO3)(OH)210.51.5796570,96571,96572,96578,96580,96582,9659212537
Marcasite  (*)MarcasiteFeS21.850.6396564,96585,965895674
Merenskyite  (*)MelonitePdTe21.51.5296571,96576155
Molybdenite  (*)MolybdeniteMoS210.50.6996564,96570,96571,96572,96578,96580,96582,96585,965865800
Moncheite  (*)MelonitePt(Te,Bi)21.51.5196571133
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O3.51.1296585,965861508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2200.61296564,96568,96570,96571,96572,96578,96580,96582,96585,96586,96589,9659217380
Petzite  (*)NoneAg3AuTe21.50.6296564,96571409
Proustite  (*)NoneAg3AsS31.850.6296564,96589733
Pyrargyrite  (*)NoneAg3SbS310.61965641425
Pyrite  (*)PyriteFeS210.50.61296564,96566,96570,96571,96572,96578,96580,96582,96585,96586,96589,9659239462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)23.51.1396571,96585,96586771
Pyrrhotite  (*)NickelineFe7S85.61296571,965809056
Quartz  (*)QuartzSiO21.850.6596564,96566,96568,96571,9658961156
Rhodochrosite  (*)CalciteMn(CO3)10.61965641711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)10.6396564,96566,96567969
Rutile  (*)RutileTiO210.61965645614
Silver  (*)CopperAg1.850.6396564,96571,965895186
Sopcheite  (*)NoneAg4Pd3Te419657624
Sphalerite  (*)SphaleriteZnS10.50.61096564,96568,96570,96571,96578,96580,96585,96586,96589,9659121482
Stannoidite  (*)StannoiditeCu8(Fe,Zn)3Sn2S121.851.0119658980
Stibiopalladinite  (*)NonePd5Sb219657675
Stibnite  (*)StibniteSb2S310.61965643418
Sulphur  (*)SulphurS201.1296585,965862045
Sylvanite  (*)MeloniteAgAuTe410.6196564337
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S13201.1296585,965861803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13200.6796564,96566,96571,96578,96585,96586,965915317
Vysotskite  (*)NonePdS19657653
Zircon  (*)ZirconZr(SiO4)1.511965715251
Zunyite  (*)NoneAl13Si5O20(OH,F)18Cl3.53.519658686


36 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
AJES44_373-000250.60.60.6       Au8525Baguio Mine, Baguio District, Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesBaguioSillitoe (1997)10.1080/08120099708728318AJES44_373 
PorphCu-005602.12.12.1      Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Epidote, Gold, Hematite, Magnetite, Molybdenite, Pyrite, SphaleriteCu207173Kennon Southeast Cu-Au Deposit (Black Mountain), Baguio District, Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesKennon South East/Black MountainSinger et al. (2008) USGSOFR2008_1155 
AJES44_373-00010111       Au21538Philex-Padcal Mine (Santo Tomas II Deposit), Baguio District, Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesSanto Tomas IISillitoe (1997)10.1080/08120099708728318AJES44_373 
PorphCu-000601.51.51.5      Actinolite, Altaite, Bornite, Calcite, Chalcopyrite, Chrysocolla, Covellite, Epidote, Galena, Gold, Hessite, Magnetite, Merenskyite, Molybdenite, Moncheite, Petzite, Pyrite, Pyrophyllite, Silver, Sphalerite, ElectrumCu21538Philex-Padcal Mine (Santo Tomas II Deposit), Baguio District, Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesSanto Tomas IISinger et al. (2008) USGSOFR2008_1155 
PorphCu-006309.59.59.5      Bornite, Calcite, Chalcocite, Chalcopyrite, Epidote, Gold, Kaolinite, Magnetite, Molybdenite, PyriteCu208937Santo Niño Mine, Baguio District, Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesSanto NiñoSinger et al. (2008) USGSOFR2008_1155 
PorphCu-0003010.510.510.5      Actinolite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Enargite, Epidote, Galena, Gold, Magnetite, Molybdenite, Pyrite, SphaleriteCu8802Boneng Mine, Boneng-Lobo District, Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesBoneng LoboSinger et al. (2008) USGSOFR2008_1155 
PorphCu-006285.63.55.6–3.5      Bornite, Calcite, Chalcopyrite, Epidote, Galena, Gold, Gypsum, Hematite, Magnetite, Molybdenite, Pyrite, Pyrrhotite, SphaleriteCu208935Tawi-Tawi Cu Deposit, Kayapa, Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesTawi-TawiSinger et al. (2008) USGSOFR2008_1155 
vms-007222020Eocene-Pliocene       S29101Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesMankayanMoiser et al. (2009) USGSOFR2009_1034 
AJES44_373-000111.51.21.5-1.2       Au208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFar SoutheastSillitoe (1997)10.1080/08120099708728318AJES44_373 
G23_337-000031.491.411.45±0.04K-Ar biotiteU86-3A-1784'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000041.481.41.44±0.04K-Ar biotiteUFF93-5-789m    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000051.461.381.42±0.04K-Ar biotiteUFF93-5-815m    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000061.461.361.41±0.05K-Ar biotiteU83-34B-2450'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000071.451.371.41±0.04K-Ar biotiteU86-6-2195'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000081.391.291.34±0.05K-Ar biotiteU86-3-2613'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000091.421.321.37±0.05K-Ar illiteUS6-3A-1544'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000101.41.321.36±0.04K-Ar illiteU81-14-23S2'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000111.431.231.33±0.10K-Ar illiteUS1-14-2724'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000121.361.261.31±0.05K-Ar illiteU82-30-2020'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000131.361.261.31±0.05K-Ar illiteU83-34B-1593'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000141.351.251.30±0.05K-Ar illiteUS1-14-2574    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000151.311.231.27±0.04K-Ar illiteUS1-14-2675'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000161.321.21.26±0.06K-Ar illiteUFF93-5-718m    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000171.321.141.23±0.09K-Ar illiteU81-20-3263'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000181.281.161.22±0.06K-Ar illiteU86-6-2045'    208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000251.541.141.34±0.20K-Ar aluniteU80-23-29'  Alunite  208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFSEArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
PorphCu-006221.61.11.6–1.1      Alunite, Bornite, Chalcocite, Chalcopyrite, Covellite, Diaspore, Galena, Gold, Magnetite, Marcasite, Molybdenite, Montmorillonite, Pyrite, Pyrophyllite, Sphalerite, ElectrumCu208484Far Southeast Cu-Au Deposit, Bato Tabio, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesFar Southeast-Bato TabioSinger et al. (2008) USGSOFR2008_1155 
G23_337-000024.42.63.5±0.9  sericite     237940Tirad Deposit, Guinaoang, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesGuinaoang porphyryArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
PorphCu-000843.53.53.5      Actinolite, Alunite, Anilite, Bornite, Chalcocite, Chalcopyrite, Covellite, Diaspore, Enargite, Epidote, Gold, Graphite, Idaite, Jarosite, Magnetite, Molybdenite, Montmorillonite, Pyrite, Pyrophyllite, Sphalerite, ZunyiteCu237940Tirad Deposit, Guinaoang, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesGuinaoang-TiradSinger et al. (2008) USGSOFR2008_1155 
G23_337-000191.851.271.56±0.29K-Ar aluniteUS9-34-630'  Alunite  2567Lepanto Mine, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesLepantoArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000201.521.41.46±0.06K-Ar alunite891106-1  Alunite  2567Lepanto Mine, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesLepantoArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000211.541.34l.44±0.10K-Ar aluniteU91-24-275m  Alunite  2567Lepanto Mine, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesLepantoArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000221.521.36l.44±0.08K-Ar aluniteUS9-24-559'  Alunite  2567Lepanto Mine, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesLepantoArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000231.451.331.39±0.06K-Ar alunite900517-1  Alunite  2567Lepanto Mine, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesLepantoArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000241.451.251.35±0.10K-Ar alunite930218-3  Alunite  2567Lepanto Mine, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesLepantoArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 
G23_337-000261.331.011.17±0.16K-Ar aluniteU9142-156m  Alunite  2567Lepanto Mine, Mancayan Mineral District (Mankayan), Benguet Province, Cordillera Administrative Region, Luzon, PhilippinesLepantoArribas et al. (1995)10.1130/0091-7613(1995)023<0337:CFOAPA>2.3.CO;2G23_337 

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