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:
Matongo, Kayanza Province, Burundi

Oldest recorded age at locality: 746
Youngest recorded age at locality: 500

mindat Locality ID: 256525
mindat URL: http://www.mindat.org/loc-256525.html

Tectonic Settings:

Total number of sublocalities beneath "Matongo, Kayanza Province, Burundi": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Matongo Carbonatite

Latitude: 3°3'19"S
Longitude: 29°36'33"E
Decimal Degree (lat, lon): -3.0552777777778,29.609166666667

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.

Apatite	Calcite	Clay	Corundum	Feldspar	Kaolinite	None	Pyroxene	Quartz	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 C Ca F Fe H Na O P Si Ti Zr

Elements from minerals reported directly at this locality: Al Fe H O P Ti

Structural Groups for minerals in this locality:
Apatite Calcite Clay Corundum Feldspar Kaolinite None Pyroxene Quartz Zircon

10 IMA Minerals at location:

Aegirine ()*	Albite ()*	Cacoxenite ()*	Calcite ()*	Fluorapatite ()*
Ilmenite ()*	Kaolinite ()*	Quartz ()*	Siderite ()*	Zircon ()*

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
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	746	500	1	29273	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	746	500	1	29273	8803
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O	746	500	0		280
Calcite ()*	Calcite	Ca(CO₃)	746	500	1	29273	27770
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	746	500	1	29273	2740
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	746	500	0		5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	746	500	1	29273	5591
Quartz ()*	Quartz	SiO₂	746	500	1	29273	61156
Siderite ()*	Calcite	Fe(CO₃)	746	500	1	29273	6417
Zircon ()*	Zircon	Zr(SiO₄)	552	500	1	29273	5251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000934	MAGMATIC STYLE: 2.5 x 0.5 km intrusion. ASSOCIATED SILICATE ROCKS: Nepheline-sodalite and quartz syenites and fenites.
Jen_0000935	MAGMATIC STYLE: 2.5 x 0.5 km intrusion. ASSOCIATED SILICATE ROCKS: Nepheline-sodalite and quartz syenites and fenites.
Jen_0000936	MAGMATIC STYLE: 2.5 x 0.5 km intrusion. ASSOCIATED SILICATE ROCKS: Nepheline-sodalite and quartz syenites and fenites.

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000934	583	583	583				296331	Matongo Carbonatite, Matongo, Kayanza Province, Burundi	Matongo-Bandaga	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000935	552	500	526±26	U-Pb	zircon	Zircon	296331	Matongo Carbonatite, Matongo, Kayanza Province, Burundi	Matongo-Bandaga	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000936	746	732	739±7	K-Ar			296331	Matongo Carbonatite, Matongo, Kayanza Province, Burundi	Matongo-Bandaga	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...