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:
Umba Valley Region, Makueni County, Kenya

mindat Locality ID: 8268
mindat URL: http://www.mindat.org/loc-8268.html

Tectonic Settings:

Total number of sublocalities beneath "Umba Valley Region, Makueni County, Kenya": 2
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Sultan Hamud

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.

Amphibole	Clinozoisite	Corundum	Diaspore	Epidote	Feldspar	Garnet	None	Not in a structural group	Quartz

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 Ca Fe H K Mg Na O Si Ti

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

Structural Groups for minerals in this locality:
Amphibole Clinozoisite Corundum Diaspore Epidote Feldspar Garnet None Not in a structural group Quartz

9 IMA Minerals at location:

Epidote ()*	Goethite ()*	Grossular ()*	Ilmenite ()*	Kyanite ()*
Microcline ()*	Quartz ()*	Riebeckite ()*	Tremolite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Goethite ()*	Diaspore	FeO(OH)	1	77713	7437
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	0		1544
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	77713	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	77712	1507
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	77713	4924
Quartz ()*	Quartz	SiO₂	1	77713	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	1	77713	375
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	0		2562

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...