Mineral name Structural Groups IMA Formula Max Age (Ma) Min Age (Ma) # of Sublocalities containing mineral LOCALITY IDs, not mindat ids # of localities containing mineral Andalusite (*) Andalusite Al2 SiO5 1080 13.6 1 149347 1310 Anglesite (*) Baryte Pb(SO4 ) 1080 13.6 15 149232 ,149233 ,149250 ,149251 ,149252 ,149254 ,149255 ,149256 ,149258 ,149260 ,149273 ,149275 ,149277 ,149451 ,149500 2734 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 1080 13.6 4 149465 ,149467 ,149470 ,149510 3092 Aragonite (*) Aragonite Ca(CO3 ) 1080 13.6 5 149233 ,149260 ,149273 ,149441 ,149452 3250 Aurorite (*) None Mn2+ Mn4+ 3 O7 ·3H2 O 1080 13.6 2 149396 ,149441 22 Autunite (*) Autunite Ca(UO2 )2 (PO4 )2 ·10-12H2 O 23.2 21.8 2 149476 ,149480 1272 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 23.2 21.8 2 149346 ,149480 5509 Baryte (*) Baryte Ba(SO4 ) 1080 13.6 28 149232 ,149233 ,149252 ,149254 ,149258 ,149260 ,149266 ,149268 ,149269 ,149273 ,149274 ,149275 ,149276 ,149277 ,149279 ,149280 ,149282 ,149289 ,149310 ,149410 ,149449 ,149451 ,149457 ,149465 ,149470 ,149493 ,149500 ,149542 11547 Beryl (*) Beryl Be3 Al2 Si6 O18 1080 13.6 1 149353 4286 Bixbyite (*) Bixbyite Mn3+ 2 O3 1080 13.6 3 149398 ,149410 ,149411 104 Boulangerite (*) None Pb5 Sb4 S11 1080 13.6 1 149410 843 Brochantite (*) Brochantite Cu4 (SO4 )(OH)6 1080 13.6 2 149250 ,149549 1633 Calcite (*) Calcite Ca(CO3 ) 31.1 20.49 77 149217 ,149233 ,149236 ,149237 ,149248 ,149250 ,149251 ,149252 ,149254 ,149258 ,149259 ,149260 ,149261 ,149262 ,149266 ,149268 ,149269 ,149273 ,149274 ,149275 ,149276 ,149277 ,149279 ,149280 ,149282 ,149284 ,149285 ,149288 ,149289 ,149301 ,149337 ,149344 ,149354 ,149372 ,149373 ,149374 ,149376 ,149377 ,149378 ,149379 ,149382 ,149383 ,149388 ,149389 ,149390 ,149396 ,149413 ,149422 ,149432 ,149441 ,149442 ,149446 ,149447 ,149449 ,149450 ,149451 ,149452 ,149453 ,149460 ,149461 ,149465 ,149466 ,149470 ,149480 ,149510 ,149522 ,149524 ,149533 ,149540 ,149545 ,149549 ,149551 ,149560 ,149561 ,149562 ,149569 ,149581 27770 Carnotite (*) None K2 (UO2 )2 (VO4 )2 ·3H2 O 23.2 21.8 2 149476 ,149480 1184 Cerussite (*) Aragonite Pb(CO3 ) 1080 13.6 12 149232 ,149250 ,149252 ,149254 ,149256 ,149258 ,149260 ,149273 ,149275 ,149277 ,149451 ,149500 4979 Chalcanthite (*) Chalcanthite Cu(SO4 )·5H2 O 23.2 21.8 1 149483 925 Chalcocite (*) None Cu2 S 1080 13.6 8 149214 ,149217 ,149232 ,149301 ,149346 ,149518 ,149535 ,149567 5707 Chalcophanite (*) None ZnMn4+ 3 O7 ·3H2 O 1080 13.6 2 149396 ,149452 197 Chalcopyrite (*) Chalcopyrite CuFeS2 1080 13.6 1 149524 27198 Chlorargyrite (*) Rocksalt AgCl 1080 13.6 1 149500 1382 Chrysocolla (*) Allophane (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 53.8 20.49 29 149213 ,149214 ,149217 ,149229 ,149250 ,149342 ,149367 ,149377 ,149449 ,149461 ,149495 ,149496 ,149497 ,149498 ,149510 ,149527 ,149532 ,149540 ,149544 ,149549 ,149553 ,149556 ,149560 ,149561 ,149562 ,149564 ,149565 ,149566 ,149567 3531 Colemanite (*) None CaB3 O4 (OH)3 ·H2 O 1080 13.6 1 149329 144 Covellite (*) Covellite CuS 1080 13.6 1 149567 4165 Cuprite (*) Not in a structural group Cu2 O 23.2 21.8 1 149480 2970 Descloizite (*) Descloizite PbZn(VO4 )(OH) 1080 13.6 2 149233 ,149515 378 Dioptase (*) None CuSiO3 ·H2 O 1080 13.6 1 149514 164 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1080 13.6 4 149224 ,149332 ,149347 ,149410 8173 Fluorite (*) Fluorite CaF2 1080 13.6 37 149232 ,149233 ,149238 ,149250 ,149251 ,149252 ,149254 ,149256 ,149257 ,149258 ,149259 ,149260 ,149261 ,149262 ,149266 ,149268 ,149269 ,149273 ,149274 ,149275 ,149276 ,149277 ,149279 ,149280 ,149282 ,149289 ,149294 ,149314 ,149389 ,149396 ,149400 ,149410 ,149413 ,149421 ,149422 ,149470 ,149500 9617 Freieslebenite (*) None AgPbSbS3 1080 13.6 1 149232 105 Galena (*) Rocksalt PbS 1080 13.6 30 149233 ,149250 ,149251 ,149252 ,149254 ,149256 ,149258 ,149259 ,149260 ,149261 ,149262 ,149266 ,149268 ,149269 ,149273 ,149274 ,149275 ,149276 ,149277 ,149279 ,149280 ,149282 ,149289 ,149310 ,149389 ,149422 ,149451 ,149455 ,149493 ,149500 24243 Goethite (*) Diaspore FeO(OH) 1080 13.6 1 149250 7437 Gold (*) Copper Au 31.1 20.49 62 149232 ,149278 ,149330 ,149333 ,149335 ,149336 ,149342 ,149344 ,149347 ,149354 ,149365 ,149372 ,149373 ,149374 ,149376 ,149377 ,149378 ,149379 ,149382 ,149383 ,149388 ,149389 ,149393 ,149396 ,149397 ,149404 ,149408 ,149409 ,149410 ,149415 ,149424 ,149425 ,149427 ,149428 ,149430 ,149431 ,149432 ,149433 ,149434 ,149435 ,149442 ,149445 ,149446 ,149449 ,149460 ,149474 ,149483 ,149485 ,149486 ,149524 ,149527 ,149528 ,149530 ,149532 ,149533 ,149534 ,149540 ,149564 ,149565 ,149566 ,149578 ,149588 30554 Groutite (*) Diaspore Mn3+ O(OH) 1080 13.6 4 149398 ,149399 ,149411 ,149441 72 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 31.1 21.8 20 149233 ,149240 ,149254 ,149275 ,149312 ,149349 ,149425 ,149430 ,149431 ,149432 ,149433 ,149434 ,149461 ,149480 ,149493 ,149500 ,149549 ,149564 ,149565 ,149566 6890 Hematite (*) Corundum Fe2 O3 1080 13.6 21 149213 ,149224 ,149250 ,149260 ,149341 ,149342 ,149346 ,149347 ,149449 ,149495 ,149513 ,149518 ,149524 ,149527 ,149544 ,149545 ,149560 ,149561 ,149562 ,149566 ,149584 14640 Hollandite (*) Coronadite Ba(Mn4+ 6 Mn3+ 2 )O16 1080 13.6 2 149450 ,149452 243 Hydrozincite (*) None Zn5 (CO3 )2 (OH)6 1080 13.6 5 149233 ,149254 ,149255 ,149273 ,149275 1066 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 1080 13.6 5 149250 ,149524 ,149564 ,149565 ,149566 2228 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 1080 13.6 4 149284 ,149285 ,149349 ,149527 5591 Kyanite (*) Not in a structural group Al2 OSiO4 1080 13.6 1 149343 1507 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 1080 13.6 4 149224 ,149354 ,149518 ,149524 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 53.8 20.49 24 149213 ,149217 ,149224 ,149232 ,149288 ,149310 ,149342 ,149346 ,149347 ,149367 ,149377 ,149461 ,149471 ,149496 ,149497 ,149498 ,149518 ,149527 ,149540 ,149556 ,149560 ,149561 ,149562 ,149567 12537 Manganite (*) Rutile Mn3+ O(OH) 1080 13.6 3 149390 ,149398 ,149411 770 Massicot (*) None PbO 1080 13.6 2 149252 ,149277 202 Mimetite (*) Apatite Pb5 (AsO4 )3 Cl 1080 13.6 8 149233 ,149254 ,149258 ,149259 ,149260 ,149261 ,149262 ,149273 1107 Minium (*) Minium Pb2+ 2 Pb4+ O4 1080 13.6 4 149232 ,149233 ,149303 ,149500 247 Montmorillonite (*) Clay Smectite-vermiculite (Na,Ca)0.3 (Al,Mg)2 Si4 O10 (OH)2 ·nH2 O 1080 13.6 2 149280 ,149573 1508 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 31.1 29.1 50 149213 ,149214 ,149217 ,149224 ,149229 ,149248 ,149258 ,149259 ,149260 ,149261 ,149262 ,149273 ,149275 ,149276 ,149277 ,149303 ,149310 ,149342 ,149344 ,149349 ,149355 ,149406 ,149425 ,149431 ,149432 ,149433 ,149446 ,149449 ,149461 ,149471 ,149510 ,149524 ,149527 ,149532 ,149540 ,149545 ,149547 ,149549 ,149551 ,149553 ,149560 ,149561 ,149562 ,149564 ,149565 ,149566 ,149567 ,149569 ,149574 ,149578 17380 Nsutite (*) Ramsdellite Mn2+ x Mn4+ 1-x O2-2x (OH)2x 1080 13.6 1 149399 121 Opal (*) Amorphous SiO2 ·n H2 O 23.2 21.8 3 149396 ,149476 ,149480 2994 Orthoclase (*) Feldspar K(AlSi3 O8 ) 1080 13.6 1 149524 2349 Polybasite (*) Polybasite [Ag9 CuS4 ][(Ag,Cu)6 (Sb,As)2 S7 ] 1080 13.6 1 149396 716 Pyrite (*) Pyrite FeS2 68.52 68.52 14 149214 ,149254 ,149273 ,149275 ,149344 ,149347 ,149354 ,149389 ,149410 ,149524 ,149549 ,149553 ,149592 ,149593 39462 Pyrolusite (*) Rutile MnO2 1080 13.6 10 149236 ,149237 ,149327 ,149390 ,149396 ,149442 ,149447 ,149449 ,149453 ,149522 3106 Pyromorphite (*) Apatite Pb5 (PO4 )3 Cl 23.2 21.8 4 149233 ,149259 ,149476 ,149480 1725 Pyrophyllite (*) Clay Pyrophyllite Al2 Si4 O10 (OH)2 1080 13.6 1 149210 771 Quartz (*) Quartz SiO2 23.2 20.49 28 149228 ,149233 ,149248 ,149260 ,149275 ,149285 ,149327 ,149342 ,149346 ,149353 ,149364 ,149365 ,149372 ,149374 ,149377 ,149378 ,149379 ,149383 ,149396 ,149410 ,149446 ,149449 ,149480 ,149518 ,149527 ,149540 ,149569 ,149581 61156 Rhodochrosite (*) Calcite Mn(CO3 ) 1080 13.6 2 149410 ,149449 1711 Rhodonite (*) Rhodonite CaMn3 Mn(Si5 O15 ) 1080 13.6 1 149389 969 Salammoniac (*) None (NH4 )Cl 68.52 68.52 1 149591 105 Samarskite-(Y) (*) Columbite YFe3+ Nb2 O8 1080 13.6 2 149344 ,149355 353 Scheelite (*) Scheelite Ca(WO4 ) 1080 13.6 5 149330 ,149365 ,149404 ,149409 ,149418 4894 Siderite (*) Calcite Fe(CO3 ) 31.1 29.1 6 149213 ,149430 ,149431 ,149432 ,149433 ,149434 6417 Silver (*) Copper Ag 1080 13.6 2 149410 ,149415 5186 Smithsonite (*) Calcite Zn(CO3 ) 1080 13.6 5 149233 ,149248 ,149254 ,149255 ,149273 2473 Sphalerite (*) Sphalerite ZnS 1080 13.6 1 149310 21482 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 1080 13.6 1 149520 3337 Todorokite (*) None (Na,Ca,K,Ba,Sr)1-x (Mn,Mg,Al)6 O12 ·3-4H2 O 1080 13.6 3 149396 ,149398 ,149411 433 Torbernite (*) None Cu(UO2 )2 (PO4 )2 ·12H2 O 1080 13.6 1 149232 1059 Uranophane-α (*) None Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 23.2 21.8 2 149476 ,149480 890 Vanadinite (*) Apatite Pb5 (VO4 )3 Cl 23.2 21.8 13 149233 ,149250 ,149251 ,149252 ,149254 ,149258 ,149259 ,149260 ,149261 ,149262 ,149273 ,149280 ,149480 605 Vesuvianite (*) Vesuvianite (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10 1080 13.6 1 149332 1395 Weeksite (*) None (K)2 (UO2 )2 (Si5 O13 )·4H2 O 23.2 21.8 1 149480 42 Willemite (*) Phenakite Zn2 SiO4 1080 13.6 3 149257 ,149260 ,149396 303 Witherite (*) Aragonite Ba(CO3 ) 1080 13.6 2 149233 ,149279 251 Wulfenite (*) Scheelite PbMoO4 23.2 21.8 22 149232 ,149233 ,149250 ,149251 ,149252 ,149254 ,149258 ,149259 ,149260 ,149261 ,149262 ,149273 ,149275 ,149276 ,149279 ,149280 ,149282 ,149289 ,149342 ,149463 ,149480 ,149569 1655
Excel ID Max Age (Ma) Min Age (Ma) Age as listed in reference Dating Method Age Interpret Prioritized? Sample Source Sample Num Run Num Age from other Locality Dated Mineral Minerals explicitely stated as having this age Age applies to these Elements MinDat Locality ID Dated Locality (Max Age) Location as listed in reference Reference Reference DOI Reference ID Age Notes Edit Giersdorf_00000340 171 163 167±4 K-Ar K-Ar age is reset by a Jurassic or younger therman event UAKA-72-57 18497 Yuma Co., Arizona, USA Yuma County Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000341 1080 1080 1080 Rb-Sr Rock is same sample as above, just with the Rb-Sr date likely being closer UAKA-72-57 18497 Yuma Co., Arizona, USA Yuma County Shafiqullah et al. (1980) AGSD12_201 Age is the Rb-Sr date of the same sample, showing that the K-Ar age was reset by a thermal event Edit Giersdorf_00000397 24.3 23.1 23.7±0.6 K-Ar UAKA-74-117 18497 Yuma Co., Arizona, USA Yuma County Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000452 14.32 13.68 14±0.32 K-Ar UAKA-79-55 18497 Yuma Co., Arizona, USA Aguila Mountains Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000454 14.2 13.6 13.9±0.3 K-Ar UAKA-74-118 18497 Yuma Co., Arizona, USA Hyder Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000435 18.33 17.29 17.81±0.52 K-Ar UAKA-76-41 187743 Cabeza Prieta Mts, Yuma Co., Arizona, USA Cabeza Prieta Mountains Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000444 16.53 15.71 16.12±0.41 K-Ar UAKA-74-112 187743 Cabeza Prieta Mts, Yuma Co., Arizona, USA Cabeza Prieta Mountains Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000406 21.57 20.49 21.03±0.54 K-Ar UAKA-72-48 33271 Alamo Springs District, Kofa Mts (S.H. Mts), Yuma Co., Arizona, USA Turtleback Mountain Quad. Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000383 31.1 29.1 30.1±1.0 K-Ar UAKA-65-04 33531 Laguna District (Las Flores District), Laguna Mts (San Pablo Mts), Yuma Co., Arizona, USA Laguna Mountains Quad. Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000402 23.2 21.8 22.5±0.7 K-Ar UAKA-67-23 33582 Muggins District, Muggins Mts, Yuma Co., Arizona, USA Muggins Mountains Shafiqullah et al. (1980) AGSD12_201 Edit Giersdorf_00000372 53.8 51.2 52.5±1.3 K-Ar UAKA-75-99 51858 McMillan Prospect, Barry M. Goldwater Air Force Range, Cabeza Prieta Mts, La Posa District (Wellton District; Wellton Hills District), Wellton Hills-Copper Mts, Yuma Co., Arizona, USA Cabeza Prieta Quad. Shafiqullah et al. (1980) AGSD12_201 Edit Jen_0000066 70 70 70 Rb-Sr age of intrusion low biotite A-45 33852 Jude Mine Group (Silverfields Mine), Yuma, Yuma District, Yuma Co., Arizona, USA Yuma, Arizona Wasserburg and Lanphere (1965) 10.1130/0016-7606(1965)76[735:ADITPO]2.0.CO;2 GSAB76_735 intrusion of younger granite into older metamorphic terrain Edit USGS-Rb-Sr-01679 68.52 68.52 68.52 Rb-Sr age of intrusion biotite 33852 Jude Mine Group (Silverfields Mine), Yuma, Yuma District, Yuma Co., Arizona, USA USGS-Rb-Sr USGS-Rb-Sr
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