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:
Buru Carbonatite, Homa Bay County, Kenya

Oldest recorded age at locality: 19.9
Youngest recorded age at locality: 5.5

mindat Locality ID: 25927
mindat URL: http://www.mindat.org/loc-25927.html

Tectonic Settings:

Total number of sublocalities beneath "Buru Carbonatite, Homa Bay County, Kenya": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°-11'-26"N
Longitude: 35°9'56"E
Decimal Degree (lat, lon): -0.19055555555556,35.165555555556

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.

Baryte	Calcite	Corundum	Diaspore	Fluorite	None	Pyroxene	Spinel

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: Ba C Ca F Fe H Na O S Si

Elements from minerals reported directly at this locality: Ba C Ca F Fe H Na O S Si

Structural Groups for minerals in this locality:
Baryte Calcite Corundum Diaspore Fluorite None Pyroxene Spinel

8 IMA Minerals at location:

Aegirine ()*	Baryte ()*	Calcite ()*	Fluorite ()*	Goethite ()*
Hematite ()*	Magnetite ()*	Siderite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	19.9	5.5	1022
Baryte ()*	Baryte	Ba(SO₄)	19.9	5.5	11547
Calcite ()*	Calcite	Ca(CO₃)	19.9	5.5	27770
Fluorite ()*	Fluorite	CaF₂	19.9	5.5	9617
Goethite ()*	Diaspore	FeO(OH)	19.9	5.5	7437
Hematite ()*	Corundum	Fe₂O₃	19.9	5.5	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	19.9	5.5	14899
Siderite ()*	Calcite	Fe(CO₃)	19.9	5.5	6417

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000605	MAGMATIC STYLE: Tuff and agglomerate. ASSOCIATED SILICATE ROCKS: Lavas and tuffs of basanite, tephrite, trachyte, phonolite, nephelinite and melilitite.
Jen_0000606	MAGMATIC STYLE: Tuff and agglomerate. ASSOCIATED SILICATE ROCKS: Lavas and tuffs of basanite, tephrite, trachyte, phonolite, nephelinite and melilitite.

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
	Jen_0000605	12.6	12.6	12.6	K-Ar			whole rock, biotite			Yes				249667	Tinderet Volcano, Nandi County, Kenya	Tinderet and Londiani	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
	Jen_0000606	19.9	5.5	19.9-5.5	K-Ar			whole rock, biotite			Yes				249667	Tinderet Volcano, Nandi County, Kenya	Tinderet and Londiani	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...