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:
Amba Dongar Complex, Gujarat, India

Oldest recorded age at locality: 78
Youngest recorded age at locality: 59

mindat Locality ID: 209439
mindat URL: http://www.mindat.org/loc-209439.html

Tectonic Settings:

Total number of sublocalities beneath "Amba Dongar Complex, Gujarat, India": 0
Total number of bottom-level sublocalities: 0

Latitude: 21°59'15"N
Longitude: 74°3'42"E
Decimal Degree (lat, lon): 21.9875,74.061666666667

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.

Baryte	Brucite	Calcite	Cancrinite	Chalcopyrite	Clay	Corundum	Fluorite	Kaolinite	Mica
Natrolite	None	Pyrite	Pyroxene	Quartz	Rocksalt	Spinel	Tridymite	Wollastonite	Zircon
Zirconolite

Aegirine ()*	Ankerite ()*	Baryte ()*	Brucite ()*	Calcite ()*
Cancrinite ()*	Chalcopyrite ()*	Dickite ()*	Dolomite ()*	Fluorite ()*
Galena ()*	Hematite ()*	Ilmenite ()*	Magnetite ()*	Natrolite ()*
Nepheline ()*	Periclase ()*	Phlogopite ()*	Pyrite ()*	Quartz ()*
Siderite ()*	Thorite ()*	Wollastonite ()*	Zircon ()*	Zirconolite ()*

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 Ba C Ca Cu F Fe H K Mg Na O Pb S Si Th Ti Y Zr

Elements from minerals reported directly at this locality: Al Ba C Ca Cu F Fe H K Mg Na O Pb S Si Th Ti Y Zr

Structural Groups for minerals in this locality:
Baryte Brucite Calcite Cancrinite Chalcopyrite Clay Corundum Fluorite Kaolinite Mica
Natrolite None Pyrite Pyroxene Quartz Rocksalt Spinel Tridymite Wollastonite Zircon
Zirconolite

25 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	78	59	1022
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	78	59	3092
Baryte ()*	Baryte	Ba(SO₄)	78	59	11547
Brucite ()*	Brucite	Mg(OH)₂	78	59	462
Calcite ()*	Calcite	Ca(CO₃)	78	59	27770
Cancrinite ()*	Cancrinite	(Na,Ca, )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O	78	59	232
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	78	59	27198
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	78	59	651
Dolomite ()*	None	CaMg(CO₃)₂	78	59	9895
Fluorite ()*	Fluorite	CaF₂	78	59	9617
Galena ()*	Rocksalt	PbS	78	59	24243
Hematite ()*	Corundum	Fe₂O₃	78	59	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	78	59	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	78	59	14899
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	78	59	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	78	59	884
Periclase ()*	Rocksalt	MgO	78	59	114
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	78	59	2273
Pyrite ()*	Pyrite	FeS₂	78	59	39462
Quartz ()*	Quartz	SiO₂	78	59	61156
Siderite ()*	Calcite	Fe(CO₃)	78	59	6417
Thorite ()*	Zircon	Th(SiO₄)	78	59	1006
Wollastonite ()*	Wollastonite	CaSiO₃	78	59	1247
Zircon ()*	Zircon	Zr(SiO₄)	78	59	5251
Zirconolite ()*	Zirconolite	(Ca,Y)Zr(Ti,Mg,Al)₂O₇	78	59	140

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000434	carbonatite complex
Jen_0000435	carbonatite complex
Jen_0000665	MAGMATIC STYLE: 1.5 km diameter ring dyke, plugs and dykes. ASSOCIATED SILICATE ROCKS: Nephelinite, phonolitic nephelinite and phonolite.
Jen_0000666	MAGMATIC STYLE: 1.5 km diameter ring dyke, plugs and dykes. ASSOCIATED SILICATE ROCKS: Nephelinite, phonolitic nephelinite and phonolite.

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000434	65	65	65	Ar-Ar	209439	Amba Dongar Complex, Gujarat, India	Amba Dongar Complex	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000435	63	59	61±2	Ar-Ar	209439	Amba Dongar Complex, Gujarat, India	Amba Dongar Complex	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000665	67	67	67		209439	Amba Dongar Complex, Gujarat, India	Amba Dongar	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000666	78	74	76±2	K-Ar	209439	Amba Dongar Complex, Gujarat, India	Amba Dongar	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...