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A | This mineral is Anthropogenic. |
G | This mineral is directly dated. |
B | This mineral is reported as having this age. |
Y | This mineral is using an age reported as an element mineralization period. |
O | This mineral is using an age calculated from all data at the locality. |
R | The age displayed for this mineral originates from a different, non-child locality. |
P | The 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. |
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 |
---|---|---|---|---|---|---|---|
Aegirine (*) | Pyroxene | NaFe3+Si2O6 | 1000 | 117 | 8 | 79927,79950,79955,79966,79969,79973,79974,79975 | 1022 |
Aegirine-augite (*) | Pyroxene | (Ca,Na)(Fe3+,Mg,Fe2+)Si2O6 | 1 | 79913 | 286 | ||
Aenigmatite (*) | Sapphirine | Na4[Fe2+10Ti2]O4[Si12O36] | 1 | 79955 | 133 | ||
Albite (*) | Feldspar | Na(AlSi3O8) | 119 | 117 | 5 | 79916,79928,79955,79960,79969 | 8803 |
Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 2 | 79920,79934 | 2353 | ||
Anatase (*) | Not in a structural group | TiO2 | 140 | 126 | 1 | 79966 | 2162 |
Andalusite (*) | Andalusite | Al2SiO5 | 1 | 79955 | 1310 | ||
Andradite (*) | Garnet | Ca3Fe3+2(SiO4)3 | 145 | 100 | 2 | 79966,79977 | 1534 |
Ankerite (*) | None | Ca(Fe2+,Mg)(CO3)2 | 145 | 100 | 6 | 79940,79941,79959,79965,79966,79977 | 3092 |
Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 119 | 117 | 1 | 79969 | 356 |
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 1 | 79920 | 1036 | ||
Arfvedsonite (*) | Amphibole | NaNa2(Fe2+4Fe3+)Si8O22(OH)2 | 164 | 100 | 4 | 79939,79955,79969,79971 | 295 |
Astrophyllite (*) | Astrophyllite | K2NaFe2+7Ti2(Si4O12)2O2(OH)4F | 164 | 100 | 3 | 79939,79955,79969 | 161 |
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 1000 | 444 | 1 | 79927 | 2060 |
Barylite (*) | None | BaBe2Si2O7 | 119 | 117 | 1 | 79969 | 33 |
Baryte (*) | Baryte | Ba(SO4) | 145 | 100 | 6 | 79940,79941,79959,79965,79966,79977 | 11547 |
Bastnäsite-(Ce) (*) | Bastnäsite | Ce(CO3)F | 140 | 117 | 2 | 79966,79969 | 304 |
Beryl (*) | Beryl | Be3Al2Si6O18 | 1 | 79952 | 4286 | ||
Boulangerite (*) | None | Pb5Sb4S11 | 129 | 117 | 1 | 79940 | 843 |
Britholite-(Ce) (*) | Apatite | (Ce,Ca)5(SiO4)3(OH) | 164 | 100 | 1 | 79939 | 115 |
Calcite (*) | Calcite | Ca(CO3) | 1000 | 100 | 8 | 79927,79940,79941,79959,79965,79966,79969,79977 | 27770 |
Cancrinite (*) | Cancrinite | (Na,Ca, )8(Al6Si6)O24(CO3,SO4)2·2H2O | 1000 | 444 | 1 | 79927 | 232 |
Cassiterite (*) | Rutile | SnO2 | 119 | 117 | 1 | 79969 | 5171 |
Caysichite-(Y) (*) | None | (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH)·7H2O | 119 | 117 | 1 | 79969 | 8 |
Celestine (*) | Baryte | Sr(SO4) | 140 | 126 | 1 | 79966 | 1252 |
Cerianite-(Ce) (*) | Fluorite | CeO2 | 119 | 117 | 1 | 79969 | 94 |
Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 1 | 79920 | 951 | ||
Churchite-(Y) (*) | Gypsum | Y(PO4)·2H2O | 119 | 117 | 1 | 79969 | 70 |
Clinoenstatite (*) | Pyroxene | Mg2Si2O6 | 1 | 79918 | 94 | ||
Clinozoisite (*) | Clinozoisite Epidote | Ca2Al3[Si2O7][SiO4]O(OH) | 1 | 79920 | 1025 | ||
Cordierite (*) | Beryl | Mg2Al4Si5O18 | 2 | 79916,79934 | 1008 | ||
Cordylite-(Ce) (*) | Cordylite | (Na,Ca, )BaCe2(CO3)4(F,O) | 119 | 117 | 1 | 79969 | 15 |
Corundum (*) | Corundum | Al2O3 | 5 | 79920,79934,79947,79955,79960 | 1797 | ||
Daqingshanite-(Ce) (*) | None | Sr3Ce(PO4)(CO3)3 | 129 | 117 | 1 | 79940 | 9 |
Daubréelite (*) | Spinel | FeCr2S4 | 1 | 79918 | 157 | ||
Diaspore (*) | Diaspore | AlO(OH) | 1 | 79960 | 481 | ||
Dingdaohengite-(Ce) (*) | Chevkinite | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2Si4O22 | 1 | 79955 | 3 | ||
Diopside (*) | Pyroxene | CaMgSi2O6 | 1000 | 444 | 2 | 79913,79927 | 4135 |
Djerfisherite (*) | Djerfisherite | K6(Fe,Cu,Ni)25S26Cl | 1 | 79918 | 60 | ||
Dolomite (*) | None | CaMg(CO3)2 | 140 | 117 | 3 | 79940,79959,79966 | 9895 |
Elpidite (*) | Elpidite | Na2ZrSi6O15·3H2O | 119 | 117 | 1 | 79969 | 50 |
Enstatite (*) | Pyroxene | Mg2Si2O6 | 1 | 79918 | 944 | ||
Epididymite (*) | Not in a structural group | Na2Be2Si6O15·H2O | 119 | 117 | 2 | 79950,79969 | 70 |
Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | 119 | 117 | 2 | 79920,79969 | 8173 |
Eudialyte (*) | Eudialyte | Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 | 1000 | 100 | 3 | 79927,79939,79969 | 182 |
Eudidymite (*) | None | Na2Be2Si6O15·H2O | 119 | 117 | 1 | 79969 | 42 |
Fayalite (*) | Olivine | Fe2+2(SiO4) | 1 | 79955 | 371 | ||
Fergusonite-(Y) (*) | Scheelite | YNbO4 | 119 | 117 | 1 | 79969 | 196 |
Ferro-katophorite (*) | Amphibole | Na(NaCa)(Fe2+4Al)(Si7Al)O22(OH)2 | 1 | 79955 | 38 | ||
Ferro-richterite (*) | Amphibole | Na(NaCa)Fe2+5Si8O22(OH)2 | 1 | 79955 | 30 | ||
Fluorapatite (*) | Apatite | Ca5(PO4)3F | 129 | 117 | 2 | 79940,79965 | 2740 |
Fluorite (*) | Fluorite | CaF2 | 164 | 100 | 7 | 79939,79940,79959,79965,79966,79969,79977 | 9617 |
Gadolinite-(Y) (*) | Gadolinite | Y2Fe2+Be2O2(SiO4)2 | 119 | 117 | 1 | 79969 | 163 |
Galena (*) | Rocksalt | PbS | 119 | 117 | 1 | 79969 | 24243 |
Genthelvite (*) | Cancrinite-sodalite Sodalite | Be3Zn4(SiO4)3S | 119 | 117 | 1 | 79969 | 60 |
Goethite (*) | Diaspore | FeO(OH) | 140 | 117 | 2 | 79966,79969 | 7437 |
Goyazite (*) | Alunite | SrAl3(PO4)(PO3OH)(OH)6 | 129 | 117 | 1 | 79940 | 173 |
Grandidierite (*) | None | MgAl3O2(BO3)(SiO4) | 1 | 79916 | 40 | ||
Hedenbergite (*) | Pyroxene | CaFe2+Si2O6 | 1 | 79955 | 741 | ||
Helvine (*) | Sodalite Cancrinite-sodalite | Be3Mn2+4(SiO4)3S | 119 | 117 | 1 | 79969 | 237 |
Hematite (*) | Corundum | Fe2O3 | 119 | 117 | 3 | 79916,79934,79969 | 14640 |
Hercynite (*) | Spinel | Fe2+Al2O4 | 2 | 79920,79934 | 407 | ||
Hingganite-(Y) (*) | Gadolinite | BeY(SiO4)(OH) | 119 | 117 | 1 | 79969 | 55 |
Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 140 | 117 | 7 | 79913,79916,79928,79934,79953,79966,79969 | 5433 |
Iron (*) | Iron | Fe | 2 | 79918,79925 | 1089 | ||
Kainosite-(Y) (*) | None | Ca2Y2(SiO3)4(CO3)·H2O | 119 | 117 | 1 | 79969 | 99 |
Kupletskite (*) | Astrophyllite | K2NaMn2+7Ti2(Si4O12)2O2(OH)4F | 164 | 100 | 1 | 79939 | 33 |
Låvenite (*) | Wöhlerite | (Na,Ca)4(Mn2+,Fe2+)2(Zr,Ti,Nb)2(Si2O7)2(O,F)4 | 164 | 100 | 1 | 79939 | 58 |
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 1000 | 100 | 11 | 79913,79916,79920,79927,79928,79934,79940,79953,79960,79966,79977 | 14899 |
Microcline (*) | Feldspar | K(AlSi3O8) | 145 | 100 | 8 | 79913,79928,79955,79969,79970,79971,79973,79977 | 4924 |
Milarite (*) | Milarite | KCa2(Be2AlSi12)O30·H2O | 119 | 117 | 1 | 79969 | 156 |
Monazite-(Ce) (*) | Monazite | Ce(PO4) | 129 | 117 | 2 | 79940,79969 | 945 |
Monticellite (*) | Olivine | CaMg(SiO4) | 129 | 117 | 1 | 79940 | 153 |
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 119 | 117 | 4 | 79916,79928,79960,79969 | 17380 |
Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 1000 | 100 | 8 | 79913,79927,79928,79939,79940,79945,79961,79965 | 884 |
Niningerite (*) | Rocksalt | MgS | 1 | 79918 | 28 | ||
Niobophyllite (*) | Astrophyllite | K2NaFe2+7(Nb,Ti)2(Si4O12)2O2(OH)4(O,F) | 119 | 117 | 2 | 79950,79969 | 8 |
Oldhamite (*) | Rocksalt | CaS | 1 | 79918 | 58 | ||
Orthoclase (*) | Feldspar | K(AlSi3O8) | 119 | 117 | 2 | 79934,79969 | 2349 |
Parisite-(Ce) (*) | Parisite | CaCe2(CO3)3F2 | 140 | 117 | 3 | 79965,79966,79969 | 112 |
Perovskite (*) | Perovskite | CaTiO3 | 129 | 117 | 2 | 79940,79941 | 495 |
Perryite (*) | None | (Ni,Fe)8(Si,P)3 | 1 | 79918 | 25 | ||
Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 145 | 100 | 2 | 79940,79977 | 2273 |
Polycrase-(Y) (*) | Columbite | Y(Ti,Nb)2(O,OH)6 | 119 | 117 | 1 | 79969 | 121 |
Polylithionite (*) | Mica | KLi2AlSi4O10F2 | 119 | 117 | 1 | 79969 | 89 |
Pyrite (*) | Pyrite | FeS2 | 1000 | 100 | 3 | 79927,79965,79977 | 39462 |
Pyromorphite (*) | Apatite | Pb5(PO4)3Cl | 119 | 117 | 1 | 79969 | 1725 |
Pyrophanite (*) | Corundum | Mn2+TiO3 | 164 | 100 | 2 | 79939,79969 | 244 |
Quartz (*) | Quartz | SiO2 | 1000 | 100 | 19 | 79916,79927,79933,79934,79940,79948,79950,79952,79955,79959,79963,79965,79966,79969,79970,79973,79974,79975,79977 | 61156 |
Rhabdophane-(Ce) (*) | Rhabdophane | Ce(PO4)·H2O | 119 | 117 | 1 | 79969 | 66 |
Rhabdophane-(La) (*) | Rhabdophane | La(PO4)·H2O | 119 | 117 | 1 | 79969 | 13 |
Riebeckite (*) | Amphibole | Na2(Fe2+3Fe3+2)Si8O22(OH)2 | 1000 | 117 | 3 | 79927,79955,79969 | 375 |
Roedderite (*) | Milarite | KNaMg2(Mg3Si12)O30 | 1 | 79918 | 30 | ||
Rosenbuschite (*) | None | Ca6Zr2Na6ZrTi(Si2O7)4(OF)2F4 | 164 | 100 | 1 | 79939 | 42 |
Rutile (*) | Rutile | TiO2 | 145 | 100 | 5 | 79920,79940,79953,79969,79977 | 5614 |
Scheelite (*) | Scheelite | Ca(WO4) | 119 | 117 | 1 | 79969 | 4894 |
Schreibersite (*) | None | (Fe,Ni)3P | 1 | 79918 | 374 | ||
Siderite (*) | Calcite | Fe(CO3) | 145 | 100 | 4 | 79940,79966,79969,79977 | 6417 |
Sillimanite (*) | Not in a structural group | Al2SiO5 | 3 | 79916,79934,79955 | 1516 | ||
Sodalite (*) | Cancrinite-sodalite Sodalite | Na4(Si3Al3)O12Cl | 1000 | 100 | 3 | 79927,79928,79939 | 444 |
Sphalerite (*) | Sphalerite | ZnS | 129 | 117 | 2 | 79940,79969 | 21482 |
Spinel (*) | Spinel | MgAl2O4 | 1000 | 100 | 2 | 79927,79977 | 1934 |
Staurolite (*) | Staurolite | Fe2+2Al9Si4O23(OH) | 129 | 117 | 1 | 79940 | 978 |
Strontianite (*) | Aragonite | Sr(CO3) | 140 | 117 | 3 | 79940,79965,79966 | 589 |
Synchysite-(Ce) (*) | None | CaCe(CO3)2F | 140 | 117 | 3 | 79965,79966,79969 | 232 |
Synchysite-(Y) (*) | None | CaY(CO3)2F | 1 | 79941 | 55 | ||
Taenite (*) | None | (Ni,Fe) | 1 | 79925 | 703 | ||
Thorite (*) | Zircon | Th(SiO4) | 119 | 117 | 1 | 79969 | 1006 |
Titanite (*) | Titanite | CaTi(SiO4)O | 1000 | 100 | 7 | 79913,79927,79939,79953,79966,79969,79977 | 4899 |
Tridymite (*) | Tridymite | SiO2 | 1 | 79918 | 458 | ||
Troilite (*) | None | FeS | 1 | 79918 | 1044 | ||
Uranophane-α (*) | None | Ca(UO2)2(SiO3OH)2·5H2O | 1 | 79931 | 890 | ||
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 1 | 79958 | 652 | ||
Wöhlerite (*) | Wöhlerite | Na2Ca4Zr(Nb,Ti)(Si2O7)2(O,F)4 | 164 | 100 | 1 | 79939 | 83 |
Wulfenite (*) | Scheelite | PbMoO4 | 119 | 117 | 1 | 79969 | 1655 |
Xenotime-(Y) (*) | Zircon | Y(PO4) | 129 | 117 | 3 | 79940,79965,79969 | 939 |
Zektzerite (*) | None | NaLiZrSi6O15 | 119 | 117 | 1 | 79969 | 11 |
Zircon (*) | Zircon | Zr(SiO4) | 1000 | 117 | 11 | 79913,79920,79927,79928,79943,79953,79960,79965,79969,79973,79975 | 5251 |
Age ID | Locality Notes |
---|---|
Jen_0000738 | MAGMATIC STYLE: Sheets, plugs and irregular intrusions. ASSOCIATED SILICATE ROCKS: Fenites; possible nephelinite much replaced by carbonate. |
Jen_0000746 | MAGMATIC STYLE: Multiple plug comprising two arcuate and a central intrusion of carbonatite, and rare sheets amongst surrounding fenites. ASSOCIATED SILICATE ROCKS: Nepheline syenite and ijolite sheets; nephelinite, phonolite, trachyte, alnöite and camptonite dykes. Potassic and sodic fenites. |
Jen_0000747 | MAGMATIC STYLE: Multiple plug comprising two arcuate and a central intrusion of carbonatite, and rare sheets amongst surrounding fenites. ASSOCIATED SILICATE ROCKS: Nepheline syenite and ijolite sheets; nephelinite, phonolite, trachyte, alnöite and camptonite dykes. Potassic and sodic fenites. |
Jen_0000748 | MAGMATIC STYLE: Multiple plug comprising two arcuate and a central intrusion of carbonatite, and rare sheets amongst surrounding fenites. ASSOCIATED SILICATE ROCKS: Nepheline syenite and ijolite sheets; nephelinite, phonolite, trachyte, alnöite and camptonite dykes. Potassic and sodic fenites. |
Jen_0000754 | MAGMATIC STYLE: Arcuate dykes and sheets of massive carbonatite and carbonatite agglomerate at two centres. ASSOCIATED SILICATE ROCKS: Nepheline syenite, ijolite and feldspathoid-bearing carbonate-silicate rocks; dykes of nephelinite, melanephelinite, phonolite including analcime- and leucite-bearing varieties, sölvsbergite and carbonate-rich lamprophyres with pseudomorphs after melilite; sodic and potassic fenites. |
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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ree-00619 | 145 | 100 | Early to Middle Cretaceous | 26433 | Songwe Complex, Chitipa, Northern Region, Malawi | Songwe Scarp | Orris and Grauch (2002) | USGSOFR02_189 | |||||||||||||
ree-00427 | 1000 | 444 | Late Proterozoic - Early Paleozoic | 26434 | Ilomba Intrusion, Songwe Complex, Chitipa, Northern Region, Malawi | Ilomba | Orris and Grauch (2002) | USGSOFR02_189 | |||||||||||||
ree-00428 | 164 | 100 | Late Jurassic - Early Cretaceous | 30879 | Junguni Hill, Balaka, Southern Region, Malawi | Junguni | Orris and Grauch (2002) | USGSOFR02_189 | |||||||||||||
Jen_0000738 | 129 | 117 | 123±6 | K-Ar | phlogopite | Phlogopite | 26430 | Kangankunde Hill, Balaka, Southern Region, Malawi | Kangankunde | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | |||||||||
ree-00425 | 129 | 117 | Late Cretaceous- 123 ± 6 Ma (K-Ar, phlo) | K-Ar | phlogopite | Phlogopite | 26430 | Kangankunde Hill, Balaka, Southern Region, Malawi | Kangankunde | Orris and Grauch (2002) | USGSOFR02_189 | ||||||||||
Jen_0000754 | 140 | 126 | 133 | K-Ar | biotite | 26431 | Tundulu Complex, Phalombe, Southern Region, Malawi | Tundulu | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | ||||||||||
ree-00423 | 140 | 126 | Late Jurassic-Early Cretaceous-- 133 ± 7 Ma (K-Ar, bio, sovite) | K-Ar | biotite | 26431 | Tundulu Complex, Phalombe, Southern Region, Malawi | Tundulu | Orris and Grauch (2002) | USGSOFR02_189 | |||||||||||
Bradley_2012_037 | 119 | 117 | 118±1 | U/Pb | zircon | Zircon | 2276 | Mount Malosa, Zomba, Southern Region, Malawi | Mt. Malosa | McCauley and Bradley (2014) | 10.3749/canmin.52.2.183 | CM52_183 | |||||||||
Jen_0000746 | 130.9 | 130.9 | 130.9 | K-Ar | biotite | 26432 | Nchisi Island (Chilwa Island; Shirwa Island), Zomba, Southern Region, Malawi | Chilwa Island | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | ||||||||||
Jen_0000747 | 143 | 129 | 136±7 | K-Ar | titanite | Titanite | 26432 | Nchisi Island (Chilwa Island; Shirwa Island), Zomba, Southern Region, Malawi | Chilwa Island | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | |||||||||
Jen_0000748 | 133.5 | 118.1 | 125.8±7.7 | K-Ar | zircon | Zircon | 26432 | Nchisi Island (Chilwa Island; Shirwa Island), Zomba, Southern Region, Malawi | Chilwa Island | Woolley and Kjarsgaard (2008) | 10.4095/225115 | GSCOF5796 | |||||||||
ree-00424 | 145 | 100 | Early Cretaceous | 26432 | Nchisi Island (Chilwa Island; Shirwa Island), Zomba, Southern Region, Malawi | Chilwa Island | Orris and Grauch (2002) | USGSOFR02_189 |
Sample | Source Locality | Reference URL |
---|---|---|
X050181 | Blantyre, Southern Region, Malawi | https://rruff.info/X050181 |
R150046 | Mulanje Massif (Mlange Massif), Mulanje, Southern Region, Malawi | https://rruff.info/R150046 |
R060620 | Zomba, Southern Region, Malawi | https://rruff.info/R060620 |
R170002 | Zomba, Southern Region, Malawi | https://rruff.info/R170002 |
R050074 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R050074 |
R110049 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R110049 |
R080143 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R080143 |
R110029 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R110029 |
R060383 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R060383 |
R110050 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R110050 |
R120005 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R120005 |
R110048 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R110048 |
R050082 | Mount Malosa, Zomba, Southern Region, Malawi | https://rruff.info/R050082 |
All locality data graciously provided by mindat.org
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