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:
Mitsinjo, Boeny, Madagascar

Oldest recorded age at locality: 66
Youngest recorded age at locality: 61.6

mindat Locality ID: 188141
mindat URL: http://www.mindat.org/loc-188141.html

Tectonic Settings:

Total number of sublocalities beneath "Mitsinjo, Boeny, Madagascar": 5
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
Antseza
Katsepy

Latitude: 15°51'18"S
Longitude: 46°13'49"E
Decimal Degree (lat, lon): -15.855,46.230277777778

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.

Allophane	Analcime	Baryte	Clay	Copper	Malachite	Mica	Natrolite	None	Not in a structural group
Smectite-vermiculite

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 C Ca Cu Fe H K Mg Na O S Si Sr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Analcime Baryte Clay Copper Malachite Mica Natrolite None Not in a structural group
Smectite-vermiculite

9 IMA Minerals at location:

Analcime ()*	Celadonite ()*	Celestine ()*	Chrysocolla ()*	Copper ()*
Cuprite ()*	Malachite ()*	Natrolite ()*	Saponite ()*

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
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			1	79215	1627
Celadonite ()*	Mica Clay	KMgFe³⁺Si₄O₁₀(OH)₂			2	79214,79215	309
Celestine ()*	Baryte	Sr(SO₄)	66	61.6	1	79217	1252
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			2	79214,79215	3531
Copper ()*	Copper	Cu			1	79215	3846
Cuprite ()*	Not in a structural group	Cu₂O			1	79215	2970
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	79215	12537
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O			1	79215	1236
Saponite ()*	Clay Smectite-vermiculite	(Ca,Na)_0.3(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O			1	79215	301

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
MR41_405_001	The celestine-containing geodes or concretions are found in a sedimentary deposit consisting of lenses of Lower Paleocene sandy marls up to 30 meters thick bordered by a fossiliferous limestone below and a sandy chalky conglomerate above.

1 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
	MR41_405_001	66	61.6	Lower Paleocene											5531	Sakoany Deposit, Katsepy, Mitsinjo, Boeny, Madagascar	Sakoany	Wilson (2010)		MR41_405	Diagenetic (post-depositional) processes involving the circulation of low-temperature water (probably seawater, supplying the Sr) and the decomposition of organic material (yielding sulfate) resulted in strontium enrichment and the deposition of celestine (strontium sulfate ) crystals as geodes , nodules and concretions.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...