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:
Ndale Area, Fort Portal, Kabarole District, Western Region, Uganda

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

mindat Locality ID: 294592
mindat URL: http://www.mindat.org/loc-294592.html

Tectonic Settings:

Total number of sublocalities beneath "Ndale Area, Fort Portal, Kabarole District, Western Region, Uganda": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Locality 2

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Calcite	Clinozoisite	Corundum	Epidote	Garnet	None	Not in a structural group	Pyrite	Pyroxene	Quartz
Spinel	Titanite	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 Fe H Mg O S Si Ti Zr

Elements from minerals reported directly at this locality: Al C Ca Fe H Mg O S Si Ti Zr

Structural Groups for minerals in this locality:
Calcite Clinozoisite Corundum Epidote Garnet None Not in a structural group Pyrite Pyroxene Quartz
Spinel Titanite Zircon

11 IMA Minerals at location:

Almandine ()*	Anatase ()*	Calcite ()*	Diopside ()*	Epidote ()*
Ilmenite ()*	Magnetite ()*	Pyrite ()*	Quartz ()*	Titanite ()*
Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	0.6	0.4	2353
Anatase ()*	Not in a structural group	TiO₂	0.6	0.4	2162
Calcite ()*	Calcite	Ca(CO₃)	0.6	0.4	27770
Diopside ()*	Pyroxene	CaMgSi₂O₆	0.6	0.4	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0.6	0.4	8173
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	0.6	0.4	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0.6	0.4	14899
Pyrite ()*	Pyrite	FeS₂	0.6	0.4	39462
Quartz ()*	Quartz	SiO₂	0.6	0.4	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	0.6	0.4	4899
Zircon ()*	Zircon	Zr(SiO₄)	0.6	0.4	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.

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_0000401	6000	4000	6000-4000			low				Yes				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						Yes				3273	Fort Portal, Kabarole District, Western Region, Uganda	Fort Portal and Kasekere	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...