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:
Ibity Massif, Ibity, Antsirabe II, Vakinankaratra, Madagascar

mindat Locality ID: 193460
mindat URL: http://www.mindat.org/loc-193460.html

Tectonic Settings:

Total number of sublocalities beneath "Ibity Massif, Ibity, Antsirabe II, Vakinankaratra, Madagascar": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Analambano
Lasnierite Typelocality
Mt Ibity (Mt Bity)
Pegmatite SE Of Mt.Kiboy

Latitude: 20°5'7"S
Longitude: 47°1'24"E
Decimal Degree (lat, lon): -20.085277777778,47.023333333333

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.

Amphibole	Chlorite	Clay	Lazulite	None	Not in a structural group	Quartz	Talc

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 Ca Fe H Li Mg O P Si Sr

Elements from minerals reported directly at this locality: Ca Fe H Mg O Si

Structural Groups for minerals in this locality:
Amphibole Chlorite Clay Lazulite None Not in a structural group Quartz Talc

6 IMA Minerals at location:

Cookeite ()*	Lasnierite ()*	Lazulite ()*	Quartz ()*	Talc ()*
Tremolite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Cookeite ()*	Chlorite Clay	(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈	1	79675	181
Lasnierite ()*	Not in a structural group	(Ca,Sr)(Mg,Fe²⁺)₂Al(PO₄)₃	1	79673	1
Lazulite ()*	Lazulite	MgAl₂(PO₄)₂(OH)₂	2	79672,79674	232
Quartz ()*	Quartz	SiO₂	1	79674	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	0		3337
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	0		2562

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R060657	Mt Ibity (Mt Bity), Ibity Massif, Ibity, Antsirabe II, Vakinankaratra, Madagascar	https://rruff.info/R060657
R050099	Mt Ibity (Mt Bity), Ibity Massif, Ibity, Antsirabe II, Vakinankaratra, Madagascar	https://rruff.info/R050099
X050169	Mt Ibity (Mt Bity), Ibity Massif, Ibity, Antsirabe II, Vakinankaratra, Madagascar	https://rruff.info/X050169

All locality data graciously provided by mindat.org

All age data...