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

Ages for Maghemite at Madagascar

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 24.12Ma - 23.52Ma at this locality

Age range from children

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Alexandra-0180	24.12	23.52				73116	Ampasibitika, Antsirabe, Ambanja, Diana, Madagascar	Estrade et al. (2014)	JAES94_141

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Alexandra-0180	24.12	23.52				73116	Ampasibitika, Antsirabe, Ambanja, Diana, Madagascar	Estrade et al. (2014)	JAES94_141
Be-00012	500	500		Londonite	Be	2260	Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar	Fernandez et al. (2003)	PR123_87
Be-00044	500	500		Pezzottaite	Be	31039	Sakavalana Mine, Ambatovita, Mandrosonoro, Ambatofinandrahana, Amoron'i Mania, Madagascar	Fernandez et al. (2003)	PR123_87
Be-00064	500	500		Rhodizite	Be	57366	Ambalalehifotsy Pegmatite, Fenoarivo, Ambatofinandrahana, Amoron'i Mania, Madagascar	Fernandez et al. (2003)	PR123_87
CG169_5_001	463	459	Sanidine			2273	Itrongay (Itrongahy), Mahasoa Est, Betroka, Anosy, Madagascar	Nägler & Villa (2000)	CG169_5
CG169_5_002	467	455	Sanidine			2273	Itrongay (Itrongahy), Mahasoa Est, Betroka, Anosy, Madagascar	Nägler & Villa (2000)	CG169_5
Grew_Li_2019_0064	500	500		Manandonite		2260	Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar	Fernandez et al. (2003)	PR123_87
Jen_0001539	617	607	Zircon			191264	Vohibory Cu Field, Belamoty, Betioky, Atsimo-Andrefana, Madagascar	Giuliani et al. (2007)	GOGD37_23
MR41_405_001	66	61.6				5531	Sakoany Deposit, Katsepy, Mitsinjo, Boeny, Madagascar	Wilson (2010)	MR41_405
ree-00416	10.4	10.4				191202	Nosy Komba, Nosy Be, Diana, Madagascar	Orris and Grauch (2002)	USGSOFR02_189