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:
Marirana, Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascar

mindat Locality ID: 246957
mindat URL: http://www.mindat.org/loc-246957.html

Tectonic Settings:

Total number of sublocalities beneath "Marirana, Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascar": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Marirana Pegmatites (Andasy)
Wollastonite Occurrence

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Arsenic	Beryl	Clay	Columbite	Feldspar	Garnet	Mica	None	Pyroxene	Quartz
Serpentine	Tourmaline	Wollastonite	Zircon

Albite ()*	Beryl ()*	Bismuth ()*	Columbite-(Mn) ()*	Elbaite ()*
Manandonite ()*	Microcline ()*	Muscovite ()*	Quartz ()*	Schorl ()*
Spessartine ()*	Spodumene ()*	Wollastonite ()*	Zircon ()*

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 B Be Bi Ca Fe H K Li Mn Na Nb O Si Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenic Beryl Clay Columbite Feldspar Garnet Mica None Pyroxene Quartz
Serpentine Tourmaline Wollastonite Zircon

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	79702	8803
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	79702	4286
Bismuth ()*	Arsenic	Bi	1	79702	1966
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	1	79702	289
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	79702	520
Manandonite ()*	Clay Serpentine	Li₂Al₄(Si₂AlB)O₁₀(OH)₈	1	79702	3
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	79702	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	79702	17380
Quartz ()*	Quartz	SiO₂	1	79702	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	79702	2705
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	79702	1214
Spodumene ()*	Pyroxene	LiAlSi₂O₆	1	79702	688
Wollastonite ()*	Wollastonite	CaSiO₃	1	79703	1247
Zircon ()*	Zircon	Zr(SiO₄)	1	79702	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...