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 Adamite (*) Andalusite Zn2 (AsO4 )(OH) 1 1376 254 Addibischoffite (*) Sapphirine Ca2 Al6 Al6 O20 1 1497 1 Aegirine (*) Pyroxene NaFe3+ Si2 O6 1 1486 1022 Aegirine-augite (*) Pyroxene (Ca,Na)(Fe3+ ,Mg,Fe2+ )Si2 O6 2 1468 ,1469 286 Alabandite (*) Rocksalt MnS 1 1329 312 Albite (*) Feldspar Na(AlSi3 O8 ) 2014 1974 12 1329 ,1343 ,1388 ,1457 ,1460 ,1470 ,1475 ,1480 ,1481 ,1487 ,1489 ,1493 8803 Allanite-(Ce) (*) Allanite Epidote CaCe(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 1 1486 706 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 1907 1901 3 1343 ,1460 ,1471 2353 Analcime (*) Analcime Na(AlSi2 O6 )·H2 O 1 1513 1627 Anhydrite (*) Not in a structural group Ca(SO4 ) 2 1358 ,1504 1588 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 4 1371 ,1502 ,1503 ,1504 3092 Anorthite (*) Feldspar Ca(Al2 Si2 O8 ) 7 1343 ,1348 ,1460 ,1464 ,1478 ,1495 ,1497 1036 Aragonite (*) Aragonite Ca(CO3 ) 3 1358 ,1394 ,1414 3250 Arfvedsonite (*) Amphibole NaNa2 (Fe2+ 4 Fe3+ )Si8 O22 (OH)2 115 115 1 1445 295 Arsenopyrite (*) Arsenopyrite FeAsS 164 100 2 1363 ,1388 9052 Aspidolite (*) Mica Clay NaMg3 (Si3 Al)O10 (OH)2 2 1335 ,1478 11 Augite (*) Pyroxene (Ca,Mg,Fe)2 Si2 O6 5 1348 ,1442 ,1443 ,1464 ,1484 2060 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 1 1353 5509 Baddeleyite (*) Baddeleyite ZrO2 1 1443 238 Baryte (*) Baryte Ba(SO4 ) 201 100 10 1331 ,1363 ,1373 ,1379 ,1421 ,1452 ,1457 ,1502 ,1503 ,1504 11547 Bindheimite (*) Pyrochlore Pb2 Sb5+ 2 O7 1 1394 450 Bismuthinite (*) Stibnite Bi2 S3 1 1388 1935 Braunite (*) Braunite Mn2+ Mn3+ 6 O8 (SiO4 ) 1 1457 483 Brochantite (*) Brochantite Cu4 (SO4 )(OH)6 2 1388 ,1424 1633 Brushite (*) Gypsum Ca(PO3 OH)·2H2 O 2 1424 ,1429 104 Bustamite (*) Wollastonite Mn2 Ca2 MnCa(Si3 O9 )2 1 1457 101 Calcite (*) Calcite Ca(CO3 ) 10 1340 ,1352 ,1379 ,1388 ,1394 ,1395 ,1417 ,1435 ,1457 ,1504 27770 Carminite (*) Carminite PbFe3+ 2 (AsO4 )2 (OH)2 1 1394 178 Cassiterite (*) Rutile SnO2 6 1391 ,1470 ,1481 ,1487 ,1488 ,1489 5171 Celestine (*) Baryte Sr(SO4 ) 2 1394 ,1502 1252 Cerussite (*) Aragonite Pb(CO3 ) 145 100 3 1394 ,1421 ,1451 4979 Cervantite (*) None Sb3+ Sb5+ O4 1 1382 352 Chalcocite (*) None Cu2 S 115 115 5 1445 ,1446 ,1447 ,1448 ,1449 5707 Chalcopyrite (*) Chalcopyrite CuFeS2 3 1373 ,1388 ,1502 27198 Chamosite (*) Chlorite Clay (Fe2+ ,Mg,Al,Fe3+ )6 (Si,Al)4 O10 (OH,O)8 2 1388 ,1508 577 Chenevixite (*) Chenevixite CuFe3+ (AsO4 )(OH)2 2014 500 2 1466 ,1490 90 Chlorapatite (*) Apatite Ca5 (PO4 )3 Cl 2 1442 ,1443 203 Chlorargyrite (*) Rocksalt AgCl 1 1394 1382 Chromite (*) Spinel Fe2+ Cr2 O4 6 1325 ,1365 ,1442 ,1453 ,1478 ,1498 3902 Chrysoberyl (*) Olivine BeAl2 O4 1 1391 321 Clinoenstatite (*) Pyroxene Mg2 Si2 O6 2 1329 ,1498 94 Connellite (*) Connellite Cu36 (SO4 )(OH)62 Cl8 ·6H2 O 1 1510 295 Copper (*) Copper Cu 2 1365 ,1498 3846 Cordierite (*) Beryl Mg2 Al4 Si5 O18 2014 1974 4 1355 ,1460 ,1475 ,1479 1008 Corundum (*) Corundum Al2 O3 2 1355 ,1464 1797 Cosalite (*) None Pb2 Bi2 S5 1 1388 344 Cubanite (*) Cubanite Wurtzite CuFe2 S3 1 1388 802 Cuprite (*) Not in a structural group Cu2 O 1 1410 2970 Daubréelite (*) Spinel FeCr2 S4 1 1329 157 Dawsonite (*) None NaAl(CO3 )(OH)2 1 1373 90 Descloizite (*) Descloizite PbZn(VO4 )(OH) 1 1433 378 Diamond (*) Diamond C 2 1325 ,1464 697 Dickite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 1 1502 651 Diopside (*) Pyroxene CaMgSi2 O6 4 1365 ,1442 ,1464 ,1498 4135 Dolomite (*) None CaMg(CO3 )2 201 100 11 1331 ,1335 ,1358 ,1363 ,1383 ,1389 ,1399 ,1421 ,1426 ,1452 ,1502 9895 Dussertite (*) Alunite BaFe3+ 3 (AsO4 )(AsO3 OH)(OH)6 1 1396 33 Enstatite (*) Pyroxene Mg2 Si2 O6 6 1329 ,1343 ,1460 ,1464 ,1478 ,1495 944 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1 1388 8173 Erlichmanite (*) Pyrite OsS2 1 1465 110 Fayalite (*) Olivine Fe2+ 2 (SiO4 ) 1907 1901 6 1442 ,1468 ,1469 ,1471 ,1484 ,1497 371 Ferberite (*) Columbite Fe2+ (WO4 ) 4 1470 ,1480 ,1487 ,1488 551 Fergusonite-(Ce) (*) Scheelite CeNbO4 ·0.3H2 O 1 1486 16 Ferrihydrite (*) Nolanite Fe3+ 10 O14 (OH)2 1 1464 86 Ferrohögbomite-2N2S (*) None (Fe,Mg,Zn,Al)3 (Al,Ti,Fe)8 O15 (OH) 1 1338 13 Ferrosilite (*) Pyroxene Fe2+ 2 Si2 O6 1907 1901 2 1471 ,1484 84 Fluorite (*) Fluorite CaF2 201 174 6 1331 ,1388 ,1457 ,1502 ,1503 ,1504 9617 Forsterite (*) Olivine Mg2 (SiO4 ) 6 1325 ,1464 ,1478 ,1492 ,1495 ,1498 1188 Galena (*) Rocksalt PbS 201 100 8 1331 ,1363 ,1388 ,1394 ,1421 ,1502 ,1503 ,1504 24243 Gedrite (*) Amphibole Mg2 (Mg3 Al2 )(Si6 Al2 )O22 (OH)2 1 1484 178 Goethite (*) Diaspore FeO(OH) 1 1508 7437 Grandidierite (*) None MgAl3 O2 (BO3 )(SiO4 ) 1 1355 40 Graphite (*) None C 1 1464 2812 Grossite (*) None CaAl4 O7 3 1464 ,1495 ,1496 19 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 145 100 6 1358 ,1402 ,1421 ,1432 ,1436 ,1504 6890 Halite (*) Rocksalt NaCl 2 1358 ,1504 1398 Hastingsite (*) Amphibole NaCa2 (Fe2+ 4 Fe3+ )(Si6 Al2 )O22 (OH)2 1907 1901 1 1471 209 Hausmannite (*) Spinel Mn2+ Mn3+ 2 O4 1 1457 350 Haxonite (*) Haxonite (Fe,Ni)23 C6 1 1328 26 Hedenbergite (*) Pyroxene CaFe2+ Si2 O6 1907 1901 1 1471 741 Hematite (*) Corundum Fe2 O3 8 1338 ,1358 ,1388 ,1425 ,1452 ,1503 ,1504 ,1508 14640 Hemimorphite (*) Not in a structural group Zn4 (Si2 O7 )(OH)2 ·H2 O 1 1361 1689 Hercynite (*) Spinel Fe2+ Al2 O4 2014 1974 6 1338 ,1343 ,1348 ,1460 ,1475 ,1478 407 Hibonite (*) Magnetoplumbite CaAl12 O19 5 1325 ,1464 ,1495 ,1496 ,1497 80 Hübnerite (*) Columbite Mn2+ (WO4 ) 560 500 2 1481 ,1482 469 Hydrozincite (*) None Zn5 (CO3 )2 (OH)6 145 100 3 1372 ,1385 ,1421 1066 Ilmenite (*) Corundum Fe2+ Ti4+ O3 10 1338 ,1343 ,1365 ,1442 ,1443 ,1453 ,1460 ,1465 ,1478 ,1495 5433 Irarsite (*) Pyrite IrAsS 1 1465 154 Iron (*) Iron Fe 7 1328 ,1329 ,1348 ,1365 ,1453 ,1464 ,1498 1089 Isocubanite (*) Sphalerite Cubanite CuFe2 S3 3 1365 ,1453 ,1498 191 Ixiolite (*) Columbite (Ta2/3 Mn2+ 1/3 )O2 1 1487 148 Kaersutite (*) Amphibole NaCa2 (Mg3 AlTi4+ )(Si6 Al2 )O22 O2 1 1478 179 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 5 1388 ,1407 ,1480 ,1481 ,1502 5591 Katophorite (*) Amphibole Na(NaCa)(Mg4 Al)(Si7 Al)O22 (OH)2 1 1457 46 Kermesite (*) None Sb2 OS2 1 1379 230 Kirschsteinite (*) Olivine CaFe2+ (SiO4 ) 1 1348 33 Kulkeite (*) Corrensite Clay Na0.3 Mg8 Al(Si,Al)8 O20 (OH)10 1 1335 7 Kushiroite (*) Pyroxene CaAlAlSiO6 1 1497 4 Lakargiite (*) Perovskite CaZrO3 1 1464 10 Laumontite (*) Not in a structural group CaAl2 Si4 O12 ·4H2 O 1 1388 1271 Laurite (*) Pyrite RuS2 1 1465 226 Loveringite (*) Crichtonite (Ca,Ce,La)(Zr,Fe)(Mg,Fe)2 (Ti,Fe,Cr,Al)18 O38 1 1478 9 Mackinawite (*) None (Fe,Ni)1+x S (x = 0-0.07) 2 1365 ,1388 451 Maghemite (*) Spinel (Fe3+ 0.67 0.33 )Fe3+ 2 O4 1 1508 229 Magnesite (*) Calcite Mg(CO3 ) 2 1358 ,1495 1487 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 1907 1901 10 1328 ,1338 ,1388 ,1394 ,1464 ,1468 ,1469 ,1471 ,1495 ,1508 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 115 115 5 1445 ,1446 ,1447 ,1448 ,1449 12537 Mansfieldite (*) None Al(AsO4 )·2H2 O 1 1407 42 Marcasite (*) Marcasite FeS2 145 100 5 1379 ,1388 ,1421 ,1452 ,1502 5674 Marićite (*) None NaFe2+ (PO4 ) 1 1464 8 Masutomilite (*) Mica KLiAlMn2+ (Si3 Al)O10 (F,OH)2 560 500 1 1482 12 Merrillite (*) Cerite Ca9 NaMg(PO4 )7 4 1348 ,1365 ,1442 ,1443 230 Mesolite (*) Natrolite Na2 Ca2 (Si9 Al6 )O30 ·8H2 O 1 1368 425 Microcline (*) Feldspar K(AlSi3 O8 ) 1 1457 4924 Mimetite (*) Apatite Pb5 (AsO4 )3 Cl 2 1385 ,1394 1107 Moncheite (*) Melonite Pt(Te,Bi)2 1 1465 133 Montdorite (*) Mica KFe2+ 1.5 Mn2+ 0.5 Mg0.5 Si4 O10 (F,OH)2 1 1343 3 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 6 1388 ,1391 ,1480 ,1481 ,1487 ,1488 17380 Nacrite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 1 1502 112 Nadorite (*) Nadorite PbSb3+ O2 Cl 1 1394 18 Natrolite (*) Natrolite Na2 (Si3 Al2 )O10 ·2H2 O 2 1367 ,1369 1236 Nierite (*) None Si3 N4 1 1325 7 Oldhamite (*) Rocksalt CaS 1 1329 58 Opal (*) Amorphous SiO2 ·n H2 O 1 1432 2994 Orthoclase (*) Feldspar K(AlSi3 O8 ) 2014 1974 3 1460 ,1475 ,1487 2349 Osbornite (*) Rocksalt TiN 1 1329 20 Pargasite (*) Amphibole NaCa2 (Mg4 Al)(Si6 Al2 )O22 (OH)2 1 1478 313 Pentlandite (*) Pentlandite (Ni,Fe)9 S8 3 1464 ,1465 ,1495 1512 Periclase (*) Rocksalt MgO 1 1464 114 Perovskite (*) Perovskite CaTiO3 4 1464 ,1495 ,1496 ,1497 495 Pharmacosiderite (*) Pharmacosiderite KFe3+ 4 (AsO4 )3 (OH)4 ·6-7H2 O 1 1510 428 Phlogopite (*) Mica Clay KMg3 (AlSi3 O10 )(OH)2 2014 1974 3 1335 ,1475 ,1478 2273 Piemontite (*) Epidote Ca2 (Al2 Mn3+ )[Si2 O7 ][SiO4 ]O(OH) 1 1457 260 Pigeonite (*) Pyroxene (Mg,Fe,Ca)2 Si2 O6 5 1325 ,1348 ,1442 ,1443 ,1464 303 Pseudobrookite (*) Pseudobrookite (Fe3+ 2 Ti)O5 1 1478 164 Pseudorutile (*) Tivanite Fe3+ 2 Ti4+ 3 O9 1 1338 30 Pyrite (*) Pyrite FeS2 201 100 7 1331 ,1358 ,1388 ,1421 ,1452 ,1502 ,1508 39462 Pyrolusite (*) Rutile MnO2 2 1457 ,1504 3106 Pyrrhotite (*) Nickeline Fe7 S8 7 1343 ,1388 ,1442 ,1443 ,1460 ,1464 ,1495 9056 Quartz (*) Quartz SiO2 2014 500 21 1358 ,1388 ,1391 ,1452 ,1457 ,1460 ,1468 ,1469 ,1471 ,1472 ,1475 ,1477 ,1480 ,1481 ,1482 ,1484 ,1487 ,1488 ,1489 ,1504 ,1508 61156 Rhodonite (*) Rhodonite CaMn3 Mn(Si5 O15 ) 1 1457 969 Rhönite (*) Sapphirine Ca4 [Mg8 Fe3+ 2 Ti2 ]O4 [Si6 Al6 O36 ] 1 1348 47 Riebeckite (*) Amphibole Na2 (Fe2+ 3 Fe3+ 2 )Si8 O22 (OH)2 2 1468 ,1469 375 Rutile (*) Rutile TiO2 2014 1901 7 1325 ,1464 ,1470 ,1471 ,1475 ,1478 ,1487 5614 Sanidine (*) Feldspar K(AlSi3 O8 ) 2 1468 ,1469 598 Saponite (*) Clay Smectite-vermiculite (Ca,Na)0.3 (Mg,Fe)3 (Si,Al)4 O10 (OH)2 ·4H2 O 1 1495 301 Sapphirine (*) Sapphirine Mg4 (Mg3 Al9 )O4 [Si3 Al9 O36 ] 2014 1974 1 1475 129 Scheelite (*) Scheelite Ca(WO4 ) 2 1477 ,1487 4894 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1 1391 2705 Schreibersite (*) None (Fe,Ni)3 P 3 1328 ,1329 ,1495 374 Scorodite (*) None Fe3+ (AsO4 )·2H2 O 2 1394 ,1396 1153 Senarmontite (*) Arsenolite Sb2 O3 3 1374 ,1379 ,1380 179 Siderite (*) Calcite Fe(CO3 ) 164 100 8 1360 ,1363 ,1388 ,1487 ,1502 ,1503 ,1504 ,1508 6417 Sillimanite (*) Not in a structural group Al2 SiO5 2014 1974 3 1460 ,1475 ,1484 1516 Smithsonite (*) Calcite Zn(CO3 ) 145 100 3 1394 ,1421 ,1502 2473 Sperrylite (*) Pyrite PtAs2 1 1465 337 Spessartine (*) Garnet Mn2+ 3 Al2 (SiO4 )3 1 1457 1214 Sphalerite (*) Sphalerite ZnS 201 100 9 1331 ,1363 ,1384 ,1388 ,1421 ,1452 ,1502 ,1503 ,1504 21482 Spinel (*) Spinel MgAl2 O4 9 1325 ,1348 ,1355 ,1442 ,1464 ,1465 ,1495 ,1496 ,1497 1934 Stibiconite (*) Pyrochlore Sb3+ Sb5+ 2 O6 (OH) 3 1374 ,1379 ,1382 446 Stibnite (*) Stibnite Sb2 S3 2 1379 ,1382 3418 Sulphur (*) Sulphur S 2 1382 ,1432 2045 Taenite (*) None (Ni,Fe) 4 1328 ,1365 ,1453 ,1498 703 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 164 100 2 1335 ,1363 3337 Tantalite-(Mn) (*) Columbite Mn2+ Ta2 O6 1 1481 211 Taranakite (*) Taranakite K3 Al5 (PO3 OH)6 (PO4 )2 ·18H2 O 1 1427 57 Tazheranite (*) Fluorite (Zr,Ti,Ca)(O, )2 1 1464 8 Tennantite-(Fe) (*) Tetrahedrite Cu6 (Cu4 Fe2 )As4 S13 164 100 1 1363 1803 Tetrahedrite-(Zn) (*) Tetrahedrite Cu6 (Cu4 Zn2 )Sb4 S13 4 1354 ,1373 ,1502 ,1510 5317 Thorite (*) Zircon Th(SiO4 ) 2 1487 ,1489 1006 Tilasite (*) Titanite CaMg(AsO4 )F 1 1457 34 Tin (*) None Sn 1 1391 63 Titanite (*) Titanite CaTi(SiO4 )O 1 1486 4899 Topaz (*) Topaz Al2 SiO4 F2 9 1470 ,1472 ,1473 ,1480 ,1481 ,1487 ,1488 ,1489 ,1493 1476 Triphylite (*) Olivine LiFe2+ (PO4 ) 1 1391 313 Tripuhyite (*) Rutile Fe3+ Sb5+ O4 1 1394 66 Troilite (*) None FeS 10 1325 ,1328 ,1329 ,1348 ,1365 ,1453 ,1464 ,1465 ,1492 ,1498 1044 Ulvöspinel (*) Spinel Fe2+ 2 TiO4 3 1348 ,1442 ,1443 120 Uraninite (*) Fluorite UO2 1 1487 2718 Uranophane-α (*) None Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 1 1485 890 Valentinite (*) None Sb2 O3 3 1379 ,1380 ,1394 369 Vanadinite (*) Apatite Pb5 (VO4 )3 Cl 1 1433 605 Varlamoffite (*) Rutile (Sn,Fe)(O,OH)2 560 500 1 1482 56 Vermiculite (*) Clay Smectite-vermiculite Mg0.7 (Mg,Fe,Al)6 (Si,Al)8 O20 (OH)4 ·8H2 O 1 1388 652 Wairakite (*) Analcime Ca(Si4 Al2 )O12 ·2H2 O 1 1388 73 Whitlockite (*) Cerite Ca9 Mg(PO3 OH)(PO4 )6 1 1434 104 Wodginite (*) Columbite Mn2+ Sn4+ Ta2 O8 2 1470 ,1489 78 Wulfenite (*) Scheelite PbMoO4 1 1505 1655 Wüstite (*) Rocksalt FeO 1 1328 74 Xenotime-(Y) (*) Zircon Y(PO4 ) 2 1391 ,1487 939 Zircon (*) Zircon Zr(SiO4 ) 4 1391 ,1486 ,1487 ,1489 5251 Zirconolite (*) Zirconolite (Ca,Y)Zr(Ti,Mg,Al)2 O7 1 1478 140 Zunyite (*) None Al13 Si5 O20 (OH,F)18 Cl 1 1351 86
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 sedexmvt-00001 201 174 Early Jurassic host rock age 270092 Ain Kahla, Aïn Defla Province, Algeria Ain Khala Taylor et al. (2009) USGSOFR2009_1297 Edit sedcu-00015 120 120 Cretaceous Cu 212981 Merija Cu Deposit (Meridja), Béchar Province, Algeria Merija Cox et al. (2003) USGSOFR03_107 Edit sedexmvt-00002 164 100 Late Jurassic-Early Cretaceous host rock age 270091 Boukdema Deposit (Kef Semmah Deposit), Bordj Bou Arréridj Province, Algeria Boukdema-Kef Semmah Taylor et al. (2009) USGSOFR2009_1297 Edit sedexmvt-00004 145 100 Early Cretaceous host rock age 270090 Kherzet Youcef Deposit, Msila Province, Algeria Kherzet Youcef Taylor et al. (2009) USGSOFR2009_1297 Edit sedcu-00014 115 115 Cretaceous, L.Aptian Cu 105775 Ain Sefra, Saida Province, Algeria Ain Sefra Cox et al. (2003) USGSOFR03_107 Edit sedcu-00012 115 115 Cretaceous, L.Aptian Cu 212977 Djebel Djara, Saida Province, Algeria Djebel Djara Cox et al. (2003) USGSOFR03_107 Edit sedcu-00013 115 115 Cretaceous, L.Aptian Cu 212978 Garat Debba, Saida Province, Algeria Garat Debba Cox et al. (2003) USGSOFR03_107 Edit sedcu-00010 115 115 Cretaceous, Lower Aptian Cu 212975 Mehirize Mine, Saida Province, Algeria Mehirize Cox et al. (2003) USGSOFR03_107 Edit sedcu-00011 115 115 Cretaceous, L.Aptian Cu 212976 Tiloula Mine, Saida Province, Algeria Tiloula Cox et al. (2003) USGSOFR03_107 Edit Bradley_2012_085 1907 1901 1904±3 U/Pb zircon Zircon 66720 Gour Oumelalen, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria — McCauley and Bradley (2014) 10.3749/canmin.52.2.183 CM52_183 Edit Jen_0001074 2014 1974 1994±20 U-Pb zircon Zircon 259611 In Ouzzal, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria In'Ouzzal Woolley and Kjarsgaard (2008) 10.4095/225115 GSCOF5796 Edit Alexandra-0277 560 500 530 ± 30 Age of pegmatite 67348 Oua-n-Rechla, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria Ouan-Rechla Vail (1989) 10.1016/S0899-5362(89)80006-5 JAES8_19
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