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:
Handeni District, Tanga Region, Tanzania

mindat Locality ID: 28698
mindat URL: http://www.mindat.org/loc-28698.html

Tectonic Settings:

Total number of sublocalities beneath "Handeni District, Tanga Region, Tanzania": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 3
Child Localities:
Handeni Gold Field
Kwakonge Area
Seza Kofi

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.

Arsenopyrite	Chalcopyrite	Clay	Copper	Corundum	Kaolinite	Mica	Nickeline	None	Not in a structural group
Olivine	Pyrite	Quartz	Sapphirine	Warwickite

Arsenopyrite ()*	Chalcopyrite ()*	Corundum ()*	Gold ()*	Graphite ()*
Kaolinite ()*	Kyanite ()*	Muscovite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Serendibite ()*	Sinhalite ()*	Warwickite ()*

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 B C Ca Cr Cu Fe H K Mg O S Si Ti

Elements from minerals reported directly at this locality: Al B Ca Cr Fe Mg O Si Ti

Structural Groups for minerals in this locality:
Arsenopyrite Chalcopyrite Clay Copper Corundum Kaolinite Mica Nickeline None Not in a structural group
Olivine Pyrite Quartz Sapphirine Warwickite

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	115852	9052
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	115852	27198
Corundum ()*	Corundum	Al₂O₃	1	115854	1797
Gold ()*	Copper	Au	3	115849,115850,115852	30554
Graphite ()*	None	C	1	115849	2812
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	115849	5591
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	115849	1507
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	115849	17380
Pyrite ()*	Pyrite	FeS₂	1	115849	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	115849	9056
Quartz ()*	Quartz	SiO₂	2	115850,115852	61156
Serendibite ()*	Sapphirine	Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]	0		19
Sinhalite ()*	Olivine	MgAl(BO₄)	1	115853	20
Warwickite ()*	Warwickite	(Mg,Ti,Fe,Cr,Al)₂O(BO₃)	0		15

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...