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:
D-Block Mine, Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania

Oldest recorded age at locality: 600
Youngest recorded age at locality: 600

mindat Locality ID: 189433
mindat URL: http://www.mindat.org/loc-189433.html

Tectonic Settings:

Total number of sublocalities beneath "D-Block Mine, Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania": 0
Total number of bottom-level sublocalities: 0

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.

Allanite	Amphibole	Apatite	Axinite	Calcite	Epidote	Fluorite	Garnet	Molybdenite	None
Not in a structural group	Prehnite	Pyrite	Pyroxene	Sphalerite	Titanite	Zircon

Allanite-(Ce) ()*	Axinite-(Mg) ()*	Axinite-(Mn) ()*	Calcite ()*	Diopside ()*
Fluorapatite ()*	Fluorite ()*	Graphite ()*	Grossular ()*	Kyanite ()*
Molybdenite ()*	Prehnite ()*	Pyrite ()*	Rhodochrosite ()*	Sphalerite ()*
Titanite ()*	Tremolite ()*	Zircon ()*	Zoisite ()*

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 B C Ca Ce F Fe H Mg Mn Mo O P S Si Ti Zn Zr

Elements from minerals reported directly at this locality: Al B C Ca Ce F Fe H Mg Mn Mo O P S Si Ti Zn Zr

Structural Groups for minerals in this locality:
Allanite Amphibole Apatite Axinite Calcite Epidote Fluorite Garnet Molybdenite None
Not in a structural group Prehnite Pyrite Pyroxene Sphalerite Titanite Zircon

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	600	600	706
Axinite-(Mg) ()*	Axinite	Ca₄Mg₂Al₄[B₂Si₈O₃₀](OH)₂	600	600	12
Axinite-(Mn) ()*	Axinite	Ca₄Mn²⁺₂Al₄[B₂Si₈O₃₀](OH)₂	600	600	88
Calcite ()*	Calcite	Ca(CO₃)	600	600	27770
Diopside ()*	Pyroxene	CaMgSi₂O₆	600	600	4135
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	600	600	2740
Fluorite ()*	Fluorite	CaF₂	600	600	9617
Graphite ()*	None	C	600	600	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	600	600	1544
Kyanite ()*	Not in a structural group	Al₂OSiO₄	600	600	1507
Molybdenite ()*	Molybdenite	MoS₂	600	600	5800
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	600	600	1898
Pyrite ()*	Pyrite	FeS₂	600	600	39462
Rhodochrosite ()*	Calcite	Mn(CO₃)	600	600	1711
Sphalerite ()*	Sphalerite	ZnS	600	600	21482
Titanite ()*	Titanite	CaTi(SiO₄)O	600	600	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	600	600	2562
Zircon ()*	Zircon	Zr(SiO₄)	600	600	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	600	600	1025

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000289	Part of the Mozambique Metamorphic Belt

1 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
	Giersdorf_00000289	600	600	600	Sm-Nd						Yes		Grossular, Zoisite		5699	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	Merelani Mines	Feneyrol et al. (2017)	10.3749/canmin.1600085	TCM55_763

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...