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:
Bangladesh

mindat Locality ID: 155897
mindat URL: http://www.mindat.org/loc-155897.html

Tectonic Settings:

Total number of sublocalities beneath "Bangladesh": 19
Total number of bottom-level sublocalities: 10

Number of Child Localities: 7
Child Localities:
Barisal District
Chittagong District
Dhaka District
Khulna District
Rajshah District
Rangpur District
Sylhet District

Latitude: 23°31'28"N
Longitude: 91°10'3"E
Decimal Degree (lat, lon): 23.524444444444,91.1675

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	Analcime	Cerite	Clay	Clinozoisite	Copper	Corundum	Cubanite	Epidote	Feldspar
Iron	Mica	None	Not in a structural group	Pyrite	Pyroxene	Rutile	Sphalerite	Spinel	Titanite
Tridymite	Wurtzite	Zircon

Actinolite ()*	Anorthite ()*	Augite ()*	Chromite ()*	Copper ()*
Cubanite ()*	Epidote ()*	Hematite ()*	Ilmenite ()*	Iron ()*
Isocubanite ()*	Kyanite ()*	Leucite ()*	Magnetite ()*	Merrillite ()*
Phlogopite ()*	Pigeonite ()*	Pyrite ()*	Rutile ()*	Schreibersite ()*
Sillimanite ()*	Spinel ()*	Taenite ()*	Tetrataenite ()*	Titanite ()*
Tremolite ()*	Tridymite ()*	Troilite ()*	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 Ca Cr Cu Fe H K Mg Na Ni O P S Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Analcime Cerite Clay Clinozoisite Copper Corundum Cubanite Epidote Feldspar
Iron Mica None Not in a structural group Pyrite Pyroxene Rutile Sphalerite Spinel Titanite
Tridymite Wurtzite Zircon

29 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	25038	3419
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	25036	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2	25032,25036	2060
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	3	25032,25036,25040	3902
Copper ()*	Copper	Cu	2	25036,25040	3846
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃	1	25036	802
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	25038	8173
Hematite ()*	Corundum	Fe₂O₃	1	25038	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	3	25036,25038,25045	5433
Iron ()*	Iron	Fe	3	25032,25036,25040	1089
Isocubanite ()*	Sphalerite Cubanite	CuFe₂S₃	1	25040	191
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	25038	1507
Leucite ()*	Analcime	K(AlSi₂O₆)	1	25045	233
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	25036,25038	14899
Merrillite ()*	Cerite	Ca₉NaMg(PO₄)₇	2	25032,25036	230
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	25045	2273
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	1	25036	303
Pyrite ()*	Pyrite	FeS₂	1	25038	39462
Rutile ()*	Rutile	TiO₂	3	25036,25038,25045	5614
Schreibersite ()*	None	(Fe,Ni)₃P	1	25036	374
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	25038	1516
Spinel ()*	Spinel	MgAl₂O₄	1	25045	1934
Taenite ()*	None	(Ni,Fe)	3	25032,25036,25040	703
Tetrataenite ()*	None	FeNi	2	25032,25036	116
Titanite ()*	Titanite	CaTi(SiO₄)O	1	25038	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	25038	2562
Tridymite ()*	Tridymite	SiO₂	1	25036	458
Troilite ()*	None	FeS	3	25032,25036,25040	1044
Zircon ()*	Zircon	Zr(SiO₄)	2	25038,25045	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...