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:
Simanjiro District, Manyara Region, Tanzania

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

mindat Locality ID: 253099
mindat URL: http://www.mindat.org/loc-253099.html

Tectonic Settings:

Total number of sublocalities beneath "Simanjiro District, Manyara Region, Tanzania": 16
Total number of bottom-level sublocalities: 12

Number of Child Localities: 6
Child Localities:
Landanai (Landenai)
Lelatema Mts
Lemshuku Tsavorite Mining District
Mwajanga
Nadonjukin
Namalulu Tsavorite Deposit

Latitude: 4°5'38"S
Longitude: 36°57'36"E
Decimal Degree (lat, lon): -4.0938888888889,36.96

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	Amorphous	Amphibole	Apatite	Axinite	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite
Corundum	Cylindrite	Epidote	Fluorite	Garnet	Germanite	Gravegliaite	Gypsum	Heulandite	Mica
Millerite	Molybdenite	Natrolite	Nickeline	None	Not in a structural group	Pectolite	Prehnite	Pyrite	Pyroxene
Quartz	Rocksalt	Rutile	Sphalerite	Stannite	Titanite	Tourmaline	Wurtzite	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 B C Ca Ce Cu F Fe Ge H K Li Mg Mn Mo Na Ni O P Pb S Sb Se Si Sn Ti V Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allanite Amorphous Amphibole Apatite Axinite Calcite Chalcopyrite Chlorite Clay Clinozoisite
Corundum Cylindrite Epidote Fluorite Garnet Germanite Gravegliaite Gypsum Heulandite Mica
Millerite Molybdenite Natrolite Nickeline None Not in a structural group Pectolite Prehnite Pyrite Pyroxene
Quartz Rocksalt Rutile Sphalerite Stannite Titanite Tourmaline Wurtzite Zircon

52 IMA Minerals at location:

Alabandite ()*	Allanite-(Ce) ()*	Anhydrite ()*	Axinite-(Mg) ()*	Axinite-(Mn) ()*
Calcite ()*	Chalcopyrite ()*	Clausthalite ()*	Clinochlore ()*	Colusite ()*
Diopside ()*	Dravite ()*	Fluorapatite ()*	Fluorite ()*	Galena ()*
Germanocolusite ()*	Graphite ()*	Gravegliaite ()*	Grossular ()*	Gypsum ()*
Hematite ()*	Heulandite-Ca ()*	Karelianite ()*	Kyanite ()*	Laumontite ()*
Merelaniite ()*	Mesolite ()*	Millerite ()*	Molybdenite ()*	Mukhinite ()*
Muscovite ()*	Natrolite ()*	Opal ()*	Pectolite ()*	Phlogopite ()*
Prehnite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*
Rutile ()*	Scolecite ()*	Siderite ()*	Sillimanite ()*	Sphalerite ()*
Stannite ()*	Tainiolite ()*	Titanite ()*	Tremolite ()*	Wurtzite ()*
Zircon ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alabandite ()*	Rocksalt	MnS	600	600	2	115725,115738	312
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	600	600	1	115730	706
Anhydrite ()*	Not in a structural group	Ca(SO₄)			1	115738	1588
Axinite-(Mg) ()*	Axinite	Ca₄Mg₂Al₄[B₂Si₈O₃₀](OH)₂	600	600	2	115725,115730	12
Axinite-(Mn) ()*	Axinite	Ca₄Mn²⁺₂Al₄[B₂Si₈O₃₀](OH)₂	600	600	1	115730	88
Calcite ()*	Calcite	Ca(CO₃)	600	600	4	115725,115730,115735,115738	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	600	600	1	115725	27198
Clausthalite ()*	Rocksalt	PbSe	600	600	1	115725	281
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	600	600	1	115725	1756
Colusite ()*	Sphalerite Germanite	Cu₁₃VAs₃S₁₆	600	600	1	115725	110
Diopside ()*	Pyroxene	CaMgSi₂O₆	600	600	4	115725,115730,115733,115738	4135
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	600	600	4	115723,115725,115735,115737	648
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	600	600	2	115725,115730	2740
Fluorite ()*	Fluorite	CaF₂	600	600	1	115730	9617
Galena ()*	Rocksalt	PbS			1	115738	24243
Germanocolusite ()*	Germanite Sphalerite	Cu₁₃VGe₃S₁₆	600	600	1	115725	5
Graphite ()*	None	C	600	600	9	115725,115726,115727,115729,115730,115732,115733,115734,115738	2812
Gravegliaite ()*	Gravegliaite	Mn²⁺(S⁴⁺O₃)·3H₂O	600	600	1	115725	3
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	600	600	4	115725,115730,115734,115738	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	600	600	2	115725,115738	6890
Hematite ()*	Corundum	Fe₂O₃	600	600	1	115725	14640
Heulandite-Ca ()*	Heulandite	(Ca,Na,K)₅(Si₂₇Al₉)O₇₂·26H₂O	600	600	1	115725	246
Karelianite ()*	Corundum	V₂O₃	600	600	2	115725,115738	17
Kyanite ()*	Not in a structural group	Al₂OSiO₄	600	600	4	115725,115730,115734,115738	1507
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	600	600	1	115725	1271
Merelaniite ()*	Cylindrite	Pb₄Mo₄VSbS₁₅	600	600	1	115725	1
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	600	600	1	115725	425
Millerite ()*	Millerite	NiS	600	600	1	115725	1066
Molybdenite ()*	Molybdenite	MoS₂	600	600	2	115725,115730	5800
Mukhinite ()*	Clinozoisite Epidote	Ca₂(Al₂V³⁺)[Si₂O₇][SiO₄]O(OH)	600	600	1	115725	5
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	600	600	2	115725,115738	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O			1	115735	1236
Opal ()*	Amorphous	SiO₂·nH₂O			1	115735	2994
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	600	600	1	115725	363
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	600	600	2	115725,115738	2273
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	600	600	3	115725,115730,115732	1898
Pyrite ()*	Pyrite	FeS₂	600	600	4	115725,115730,115734,115738	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	600	600	1	115725	9056
Quartz ()*	Quartz	SiO₂	600	600	3	115725,115734,115738	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	600	600	2	115725,115730	1711
Rutile ()*	Rutile	TiO₂			1	115738	5614
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	600	600	1	115725	390
Siderite ()*	Calcite	Fe(CO₃)	600	600	1	115725	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅	600	600	1	115725	1516
Sphalerite ()*	Sphalerite	ZnS	600	600	2	115725,115730	21482
Stannite ()*	Stannite Sphalerite	Cu₂FeSnS₄	600	600	1	115725	668
Tainiolite ()*	Mica	KLiMg₂Si₄O₁₀F₂			1	115738	40
Titanite ()*	Titanite	CaTi(SiO₄)O	600	600	3	115725,115730,115738	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	600	600	3	115725,115730,115738	2562
Wurtzite ()*	Wurtzite	ZnS	600	600	1	115725	372
Zircon ()*	Zircon	Zr(SiO₄)	600	600	1	115730	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	600	600	7	115725,115726,115727,115729,115730,115732,115733	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								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
FKM-1	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://www.rockptx.com/fkm-1-to-fkm-25/#FKM-1
FKM-13	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://www.rockptx.com/fkm-1-to-fkm-25/#FKM-13
FKM-26	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://www.rockptx.com/fkm-26-to-fkm-50/#FKM-26
R070133	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://rruff.info/R070133
R090046	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://rruff.info/R090046
R060280	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://rruff.info/R060280
R090047	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://rruff.info/R090047
R070422	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://rruff.info/R070422
R130069	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://rruff.info/R130069
X050184	Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania	https://rruff.info/X050184

All locality data graciously provided by mindat.org

All age data...