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:
Mrima Hill Mine, Kwale County, Kenya

mindat Locality ID: 25928
mindat URL: http://www.mindat.org/loc-25928.html

Tectonic Settings:

Total number of sublocalities beneath "Mrima Hill Mine, Kwale County, Kenya": 0
Total number of bottom-level sublocalities: 0

Latitude: 4°29'9"S
Longitude: 39°15'10"E
Decimal Degree (lat, lon): -4.4858333333333,39.252777777778

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.

Alunite	Aragonite	Baryte	Brookite	Calcite	Clay	Clinozoisite	Corundum	Diaspore	Epidote
Feldspar	Fluorite	Kaolinite	Marcasite	Mica	Nickeline	None	Not in a structural group	Perovskite	Phosphosiderite
Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Sphalerite	Spinel	Zircon

Aegirine-augite ()*	Anatase ()*	Aragonite ()*	Augite ()*	Baryte ()*
Brookite ()*	Calcite ()*	Diopside ()*	Dolomite ()*	Epidote ()*
Florencite-(Ce) ()*	Fluorite ()*	Galena ()*	Goethite ()*	Gorceixite ()*
Goyazite ()*	Hematite ()*	Ilmenite ()*	Kaolinite ()*	Kolbeckite ()*
Magnetite ()*	Marcasite ()*	Microcline ()*	Perovskite ()*	Phlogopite ()*
Pigeonite ()*	Pyrite ()*	Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*
Rutile ()*	Sphalerite ()*	Spinel ()*	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 Ba C Ca Ce F Fe H K Mg Mn Na O P Pb S Sc Si Sr Ti Zn Zr

Elements from minerals reported directly at this locality: Al Ba C Ca Ce F Fe H K Mg Mn Na O P Pb S Sc Si Sr Ti Zn Zr

Structural Groups for minerals in this locality:
Alunite Aragonite Baryte Brookite Calcite Clay Clinozoisite Corundum Diaspore Epidote
Feldspar Fluorite Kaolinite Marcasite Mica Nickeline None Not in a structural group Perovskite Phosphosiderite
Pyrite Pyroxene Quartz Rocksalt Rutile Sphalerite Spinel Zircon

34 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aegirine-augite ()*	Pyroxene	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆	286
Anatase ()*	Not in a structural group	TiO₂	2162
Aragonite ()*	Aragonite	Ca(CO₃)	3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Baryte ()*	Baryte	Ba(SO₄)	11547
Brookite ()*	Brookite	TiO₂	700
Calcite ()*	Calcite	Ca(CO₃)	27770
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Dolomite ()*	None	CaMg(CO₃)₂	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Florencite-(Ce) ()*	Alunite	CeAl₃(PO₄)₂(OH)₆	73
Fluorite ()*	Fluorite	CaF₂	9617
Galena ()*	Rocksalt	PbS	24243
Goethite ()*	Diaspore	FeO(OH)	7437
Gorceixite ()*	Alunite	BaAl₃(PO₄)(PO₃OH)(OH)₆	121
Goyazite ()*	Alunite	SrAl₃(PO₄)(PO₃OH)(OH)₆	173
Hematite ()*	Corundum	Fe₂O₃	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Kolbeckite ()*	Phosphosiderite	Sc(PO₄)·2H₂O	26
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Marcasite ()*	Marcasite	FeS₂	5674
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Perovskite ()*	Perovskite	CaTiO₃	495
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	303
Pyrite ()*	Pyrite	FeS₂	39462
Pyrolusite ()*	Rutile	MnO₂	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Quartz ()*	Quartz	SiO₂	61156
Rutile ()*	Rutile	TiO₂	5614
Sphalerite ()*	Sphalerite	ZnS	21482
Spinel ()*	Spinel	MgAl₂O₄	1934
Zircon ()*	Zircon	Zr(SiO₄)	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...