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:
Tanga Region, Tanzania

mindat Locality ID: 126560
mindat URL: http://www.mindat.org/loc-126560.html

Tectonic Settings:

Total number of sublocalities beneath "Tanga Region, Tanzania": 9
Total number of bottom-level sublocalities: 6

Number of Child Localities: 2
Child Localities:
Handeni District
Umba River (Umba Valley)

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.

Amorphous	Arsenopyrite	Calcite	Chalcopyrite	Clay	Copper	Corundum	Feldspar	Garnet	Kaolinite
Lepidocrocite	Mica	Nickeline	None	Not in a structural group	Olivine	Pyrite	Pyroxene	Quartz	Rutile
Sapphirine	Scapolite	Smectite-vermiculite	Spinel	Tourmaline	Turquoise	Warwickite	Zircon

Almandine ()*	Anorthite ()*	Arsenopyrite ()*	Böhmite ()*	Calcite ()*
Chalcopyrite ()*	Corundum ()*	Diopside ()*	Elbaite ()*	Enstatite ()*
Gold ()*	Graphite ()*	Hematite ()*	Kaolinite ()*	Kyanite ()*
Marialite ()*	Muscovite ()*	Opal ()*	Pyrite ()*	Pyrope ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Serendibite ()*	Sinhalite ()*
Spinel ()*	Turquoise ()*	Vermiculite ()*	Warwickite ()*	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 B C Ca Cl Cr Cu Fe H K Li Mg Na O P S Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Arsenopyrite Calcite Chalcopyrite Clay Copper Corundum Feldspar Garnet Kaolinite
Lepidocrocite Mica Nickeline None Not in a structural group Olivine Pyrite Pyroxene Quartz Rutile
Sapphirine Scapolite Smectite-vermiculite Spinel Tourmaline Turquoise Warwickite Zircon

30 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	115855	2353
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	115855	1036
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	115852	9052
Böhmite ()*	Lepidocrocite	AlO(OH)	1	115855	195
Calcite ()*	Calcite	Ca(CO₃)	1	115855	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	115852	27198
Corundum ()*	Corundum	Al₂O₃	3	115854,115855,115856	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	115855	4135
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	115855	520
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	115855	944
Gold ()*	Copper	Au	3	115849,115850,115852	30554
Graphite ()*	None	C	2	115849,115855	2812
Hematite ()*	Corundum	Fe₂O₃	1	115855	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	115849	5591
Kyanite ()*	Not in a structural group	Al₂OSiO₄	2	115849,115855	1507
Marialite ()*	Scapolite	Na₄Al₃Si₉O₂₄Cl	1	115855	139
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	115849	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	115855	2994
Pyrite ()*	Pyrite	FeS₂	1	115849	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	1	115855	341
Pyrrhotite ()*	Nickeline	Fe₇S₈	2	115849,115855	9056
Quartz ()*	Quartz	SiO₂	2	115850,115852	61156
Rutile ()*	Rutile	TiO₂	1	115855	5614
Serendibite ()*	Sapphirine	Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]	1	115848	19
Sinhalite ()*	Olivine	MgAl(BO₄)	1	115853	20
Spinel ()*	Spinel	MgAl₂O₄	1	115855	1934
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O	1	115855	484
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	1	115855	652
Warwickite ()*	Warwickite	(Mg,Ti,Fe,Cr,Al)₂O(BO₃)	1	115848	15
Zircon ()*	Zircon	Zr(SiO₄)	1	115855	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R060567	Umba River (Umba Valley), Tanga Region, Tanzania	https://rruff.info/R060567

All locality data graciously provided by mindat.org

All age data...