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:
Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar

Oldest recorded age at locality: 500
Youngest recorded age at locality: 500

mindat Locality ID: 2260
mindat URL: http://www.mindat.org/loc-2260.html

Tectonic Settings:

Total number of sublocalities beneath "Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar": 0
Total number of bottom-level sublocalities: 0

Latitude: 20°14'25"S
Longitude: 47°1'18"E
Decimal Degree (lat, lon): -20.240277777778,47.021666666667

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.

Amorphous	Arsenic	Beryl	Clay	Columbite	Danburite	Feldspar	Garnet	Monazite	None
Not in a structural group	Pyrochlore	Pyroxene	Quartz	Rhabdophane	Rhodizite	Scheelite	Serpentine	Tourmaline	Zircon

Albite ()*	Anatase ()*	Arsenic ()*	Béhierite ()*	Beryl ()*
Bismuth ()*	Brockite ()*	Clinobisvanite ()*	Columbite-(Mn) ()*	Danburite ()*
Elbaite ()*	Fluor-liddicoatite ()*	Hambergite ()*	Hübnerite ()*	Hydrokenopyrochlore ()*
Hydroxykenomicrolite ()*	Londonite ()*	Manandonite ()*	Microcline ()*	Monazite-(Ce) ()*
Opal ()*	Orthoclase ()*	Quartz ()*	Rhodizite ()*	Scheelite ()*
Schorl ()*	Spessartine ()*	Spodumene ()*	Stibiotantalite ()*	Xenotime-(Y) ()*

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: Al As B Be Bi Ca Ce Cs F Fe H K Li Mn Na Nb O P Sb Si Ta Th Ti V W Y

Elements from minerals reported directly at this locality: Al As B Be Bi Ca Ce Cs F Fe H K Li Mn Na Nb O P Sb Si Ta Th Ti V W Y

Structural Groups for minerals in this locality:
Amorphous Arsenic Beryl Clay Columbite Danburite Feldspar Garnet Monazite None
Not in a structural group Pyrochlore Pyroxene Quartz Rhabdophane Rhodizite Scheelite Serpentine Tourmaline Zircon

30 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	500	500	8803
Anatase ()*	Not in a structural group	TiO₂	500	500	2162
Arsenic ()*	Arsenic	As	500	500	379
Béhierite ()*	Zircon	Ta(BO₄)	500	500	8
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	500	500	4286
Bismuth ()*	Arsenic	Bi	500	500	1966
Brockite ()*	Rhabdophane	(Ca,Th,Ce)(PO₄)·H₂O	500	500	48
Clinobisvanite ()*	None	Bi(VO₄)	500	500	36
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	500	500	289
Danburite ()*	Danburite	CaB₂Si₂O₈	500	500	148
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	500	500	520
Fluor-liddicoatite ()*	Tourmaline	Ca(Li₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F	500	500	12
Hambergite ()*	None	Be₂(BO₃)(OH)	500	500	81
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	500	500	469
Hydrokenopyrochlore ()*	Pyrochlore	( ,Sb³⁺,Na)₂Nb₂O₆·H₂O	500	500	2
Hydroxykenomicrolite ()*	Pyrochlore	( ,Na,Sb³⁺)₂Ta₂O₆(OH)	500	500	6
Londonite ()*	Rhodizite	CsBe₄Al₄(B₁₁Be)O₂₈	500	500	9
Manandonite ()*	Clay Serpentine	Li₂Al₄(Si₂AlB)O₁₀(OH)₈	500	500	3
Microcline ()*	Feldspar	K(AlSi₃O₈)	500	500	4924
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	500	500	945
Opal ()*	Amorphous	SiO₂·nH₂O	500	500	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	500	500	2349
Quartz ()*	Quartz	SiO₂	500	500	61156
Rhodizite ()*	Rhodizite	KBe₄Al₄(B₁₁Be)O₂₈	500	500	14
Scheelite ()*	Scheelite	Ca(WO₄)	500	500	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	500	500	2705
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	500	500	1214
Spodumene ()*	Pyroxene	LiAlSi₂O₆	500	500	688
Stibiotantalite ()*	None	Sb³⁺TaO₄	500	500	53
Xenotime-(Y) ()*	Zircon	Y(PO₄)	500	500	939

2 Ages assigned to this locality:

	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
	Be-00012	500	500	500			high						Londonite	Be	2260	Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar		Fernandez et al. (2003)	10.1016/S0301-9268(03)00063-9	PR123_87
	Grew_Li_2019_0064	500	500	500									Manandonite		2260	Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar	Antandrokomby pegmatite, Sahatany field, south-west of Antsirabe, Madagascar	Fernandez et al. (2003)	10.1016/S0301-9268(03)00063-9	PR123_87

Sample	Source Locality	Reference URL
R060969	Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar	https://rruff.info/R060969
R060968	Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar	https://rruff.info/R060968

All locality data graciously provided by mindat.org

All age data...