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:
Western Region, Uganda

Oldest recorded age at locality: 6000
Youngest recorded age at locality: 0.4

mindat Locality ID: 290422
mindat URL: http://www.mindat.org/loc-290422.html

Tectonic Settings:

Total number of sublocalities beneath "Western Region, Uganda": 32
Total number of bottom-level sublocalities: 22

Number of Child Localities: 8
Child Localities:
Bundibugyo District
Bushenyi District
Hoima District
Kabale District
Kabarole District
Kasese District
Kigezi District
Mbarara District

Latitude: 0°-38'-34"N
Longitude: 29°57'10"E
Decimal Degree (lat, lon): -0.64277777777778,29.952777777778

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	Alunite	Anthoinite	Apatite	Arsenopyrite	Baryte	Beryl	Calcite	Chalcopyrite	Childrenite
Chloritoid	Clay	Clinozoisite	Columbite	Copper	Corundum	Epidote	Ettringite	Feldspar	Garnet
Humite	Kaolinite	Malachite	Marcasite	Melilite	Mica	Molybdenite	Natroautunite	Nickeline	None
Northupite	Not in a structural group	Olivine	Pentlandite	Perovskite	Phosphuranylite	Pyrite	Pyrochlore	Pyroxene	Quartz
Rhabdophane	Rocksalt	Scheelite	Sphalerite	Spinel	Spurrite-Afwillite	Staurolite	Titanite	Topaz	Wavellite
Yttrotungstite	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 As Au Ba Be C Ca Ce Cl Co Cu F Fe H K Li Mg Mn Mo Na Nb Ni O P Pb S Si Sn Sr Ta Th Ti U W Y Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Alunite Anthoinite Apatite Arsenopyrite Baryte Beryl Calcite Chalcopyrite Childrenite
Chloritoid Clay Clinozoisite Columbite Copper Corundum Epidote Ettringite Feldspar Garnet
Humite Kaolinite Malachite Marcasite Melilite Mica Molybdenite Natroautunite Nickeline None
Northupite Not in a structural group Olivine Pentlandite Perovskite Phosphuranylite Pyrite Pyrochlore Pyroxene Quartz
Rhabdophane Rocksalt Scheelite Sphalerite Spinel Spurrite-Afwillite Staurolite Titanite Topaz Wavellite
Yttrotungstite Zircon

73 IMA Minerals at location:

Albite ()*	Almandine ()*	Amblygonite ()*	Anatase ()*	Anthoinite ()*
Arsenopyrite ()*	Azurite ()*	Baryte ()*	Bertrandite ()*	Beryl ()*
Bityite ()*	Burkeite ()*	Calcite ()*	Chalcopyrite ()*	Chloritoid ()*
Chrysocolla ()*	Columbite-(Mn) ()*	Corundum ()*	Crandallite ()*	Cuprite ()*
Diopside ()*	Eosphorite ()*	Epidote ()*	Ferberite ()*	Ferrowodginite ()*
Fluorapatite ()*	Gehlenite ()*	Gold ()*	Goyazite ()*	Grayite ()*
Halite ()*	Hydrokenoelsmoreite ()*	Hydroxylapatite ()*	Ilmenite ()*	Jennite ()*
Kaolinite ()*	Linnaeite ()*	Lithiophorite ()*	Magnetite ()*	Malachite ()*
Marcasite ()*	Meta-ankoleite ()*	Molybdenite ()*	Monticellite ()*	Mpororoite ()*
Muscovite ()*	Northupite ()*	Pentlandite ()*	Periclase ()*	Perovskite ()*
Phlogopite ()*	Phosphuranylite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Reinhardbraunsite ()*	Samarskite-(Y) ()*	Scheelite ()*	Siegenite ()*	Sphalerite ()*
Spinel ()*	Spurrite ()*	Staurolite ()*	Tantalite-(Mn) ()*	Thaumasite ()*
Titanite ()*	Topaz ()*	Trona ()*	Tychite ()*	Wavellite ()*
Wodginite ()*	Yttrotungstite-(Ce) ()*	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
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	116906	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	0.6	0.4	1	116887	2353
Amblygonite ()*	None	LiAl(PO₄)F			1	116909	244
Anatase ()*	Not in a structural group	TiO₂	0.6	0.4	1	116887	2162
Anthoinite ()*	Anthoinite	AlWO₃(OH)₃			3	116884,116896,116899	14
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	116909	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	2000	2000	1	116892	5509
Baryte ()*	Baryte	Ba(SO₄)	0.6	0.4	1	116886	11547
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂			1	116909	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	961.7	955.3	2	116894,116906	4286
Bityite ()*	Mica Clay	CaLiAl₂(Si₂BeAl)O₁₀(OH)₂			1	116907	31
Burkeite ()*	None	Na₄(SO₄)(CO₃)			1	116890	47
Calcite ()*	Calcite	Ca(CO₃)	2000	0.4	3	116886,116887,116892	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2000	2000	1	116892	27198
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂			1	116909	376
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	2000	2000	1	116892	3531
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆			2	116903,116910	289
Corundum ()*	Corundum	Al₂O₃			1	116909	1797
Crandallite ()*	Alunite	CaAl₃(PO₄)(PO₃OH)(OH)₆			1	116909	310
Cuprite ()*	Not in a structural group	Cu₂O	2000	2000	1	116892	2970
Diopside ()*	Pyroxene	CaMgSi₂O₆	0.6	0.4	1	116887	4135
Eosphorite ()*	Childrenite	Mn²⁺Al(PO₄)(OH)₂·H₂O			1	116909	128
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2000	0.4	2	116887,116892	8173
Ferberite ()*	Columbite	Fe²⁺(WO₄)			4	116884,116896,116898,116899	551
Ferrowodginite ()*	Columbite	Fe²⁺Sn⁴⁺Ta₂O₈			1	116908	16
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	961.7	955.3	1	116894	2740
Gehlenite ()*	Melilite	Ca₂Al(SiAl)O₇	0.6	0.4	1	116886	114
Gold ()*	Copper	Au	2000	2000	1	116892	30554
Goyazite ()*	Alunite	SrAl₃(PO₄)(PO₃OH)(OH)₆			1	116909	173
Grayite ()*	Rhabdophane	(Th,Pb,Ca)(PO₄)·H₂O			1	116906	17
Halite ()*	Rocksalt	NaCl			1	116890	1398
Hydrokenoelsmoreite ()*	Pyrochlore	₂W₂O₆(H₂O)			4	116884,116896,116898,116899	57
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH	0.6	0.4	1	116886	367
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	0.6	0.4	1	116887	5433
Jennite ()*	None	Ca₉(Si₃O₉)₂(OH)₆·8H₂O	0.6	0.4	1	116886	18
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	2000	2000	2	116892,116908	5591
Linnaeite ()*	Spinel	Co²⁺Co³⁺₂S₄	2000	2000	1	116892	249
Lithiophorite ()*	None	(Al,Li)(Mn⁴⁺,Mn³⁺)O₂(OH)₂			2	116901,116905	210
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2000	0.4	3	116886,116887,116892	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2000	2000	1	116892	12537
Marcasite ()*	Marcasite	FeS₂	2000	2000	1	116892	5674
Meta-ankoleite ()*	Natroautunite	K(UO₂)(PO₄)·3H₂O			1	116906	10
Molybdenite ()*	Molybdenite	MoS₂	2000	2000	1	116892	5800
Monticellite ()*	Olivine	CaMg(SiO₄)	0.6	0.4	1	116886	153
Mpororoite ()*	Anthoinite	Al₂O(WO₄)₂·6H₂O			1	116898	5
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2000	2000	3	116892,116906,116909	17380
Northupite ()*	Northupite	Na₃Mg(CO₃)₂Cl			1	116890	31
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	2000	2000	1	116892	1512
Periclase ()*	Rocksalt	MgO	0.6	0.4	1	116886	114
Perovskite ()*	Perovskite	CaTiO₃	0.6	0.4	1	116886	495
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	0.6	0.4	1	116886	2273
Phosphuranylite ()*	Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O			1	116906	182
Pyrite ()*	Pyrite	FeS₂	2000	0.4	2	116887,116892	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	2000	0.4	2	116886,116892	9056
Quartz ()*	Quartz	SiO₂	2000	0.4	6	116884,116887,116892,116906,116908,116909	61156
Reinhardbraunsite ()*	Humite	Ca₅(SiO₄)₂(OH)₂	0.6	0.4	1	116886	9
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	961.7	955.3	1	116893	353
Scheelite ()*	Scheelite	Ca(WO₄)			1	116898	4894
Siegenite ()*	Spinel	CoNi₂S₄	2000	2000	1	116892	249
Sphalerite ()*	Sphalerite	ZnS	2000	2000	1	116892	21482
Spinel ()*	Spinel	MgAl₂O₄	0.6	0.4	1	116886	1934
Spurrite ()*	Spurrite-Afwillite	Ca₅(SiO₄)₂(CO₃)	0.6	0.4	1	116886	54
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			1	116909	978
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆			1	116900	211
Thaumasite ()*	Ettringite	Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O	0.6	0.4	1	116886	183
Titanite ()*	Titanite	CaTi(SiO₄)O	0.6	0.4	1	116887	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	961.7	955.3	1	116894	1476
Trona ()*	None	Na₃(HCO₃)(CO₃)·2H₂O			1	116890	129
Tychite ()*	Northupite	Na₆Mg₂(CO₃)₄(SO₄)			1	116890	6
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O			1	116909	374
Wodginite ()*	Columbite	Mn²⁺Sn⁴⁺Ta₂O₈			2	116908,116909	78
Yttrotungstite-(Ce) ()*	Yttrotungstite	CeW₂O₆(OH)₃			2	116896,116899	5
Zircon ()*	Zircon	Zr(SiO₄)	0.6	0.4	2	116887,116906	5251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000401	carbonatite complex with transitional alkali basalt composition
Jen_0000560	MAGMATIC STYLE: 142 km2 of flaggy and lapilli tuffs up to several metres thick and 500 m long and 1-5 m thick lava flow. Also ring and radial dykes and small plug. ASSOCIATED SILICATE ROCKS: Tuffs with some calcite and melilite and containing lherzolite xenoliths.

4 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	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000401	6000	4000	6000-4000			low					3273	Fort Portal, Kabarole District, Western Region, Uganda	Fort Portal	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000560	0.6	0.4	0.6-0.4	C14							3273	Fort Portal, Kabarole District, Western Region, Uganda	Fort Portal and Kasekere	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
sedcu-00638	2000	2000	L. Proterozoic							Cu	19036	Kilembe Mine, Toro, Kasese District, Western Region, Uganda	Kilembe	Cox et al. (2003)		USGSOFR03_107
Alexandra-0246	961.7	955.3	958.5±3.2	U-Pb	Age of Nb-Ta mineralization		columbite-(fe)	383	Columbite-(Fe)	Ta, Nb	127454	Bulema Mine, Kigezi District, Western Region, Uganda	Mbulema	Melcher et al. (2015)	10.1016/j.oregeorev.2013.09.003	OGR64_667

Sample	Source Locality	Reference URL
R120166	Nyanga Number 2 Pegmatite, Ankole Pegmatite Field, Mbarara District, Western Region, Uganda	https://rruff.info/R120166

All locality data graciously provided by mindat.org

All age data...