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:
Campo Do Cercado, Caldas, Poços De Caldas Alkaline Complex, Minas Gerais, Brazil

Oldest recorded age at locality: 76
Youngest recorded age at locality: 76

mindat Locality ID: 249253
mindat URL: http://www.mindat.org/loc-249253.html

Tectonic Settings:

Total number of sublocalities beneath "Campo Do Cercado, Caldas, Poços De Caldas Alkaline Complex, Minas Gerais, Brazil": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Osamu Utsumi Mine

Latitude: 21°56'47"S
Longitude: 46°29'57"W
Decimal Degree (lat, lon): -21.946388888889,-46.499166666667

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.

Alum	Alunite	Amorphous	Baddeleyite	Baryte	Bastnäsite	Brannerite	Calcite	Clay	Corundum
Diaspore	Feldspar	Fluorite	Halotrichite	Kaolinite	Mica	Monazite	None	Not in a structural group	Pentlandite
Pyrite	Pyrophyllite	Quartz	Ramsdellite	Rutile	Smectite-vermiculite	Sphalerite	Spinel	Tridymite	Wurtzite
Zircon

Alunite ()*	Anatase ()*	Baddeleyite ()*	Baryte ()*	Bastnäsite-(Ce) ()*
Bílinite ()*	Brannerite ()*	Cheralite ()*	Coffinite ()*	Crandallite ()*
Fluorite ()*	Gibbsite ()*	Goethite ()*	Gorceixite ()*	Goyazite ()*
Greenockite ()*	Hematite ()*	Ilsemannite ()*	Jarosite ()*	Jordisite ()*
Kalinite ()*	Kaolinite ()*	Molybdite ()*	Montmorillonite ()*	Muscovite ()*
Nepheline ()*	Nsutite ()*	Pentlandite ()*	Phlogopite ()*	Pickeringite ()*
Pyrite ()*	Pyrolusite ()*	Pyrophyllite ()*	Quartz ()*	Rutile ()*
Sanidine ()*	Siderite ()*	Sphalerite ()*	Spinel ()*	Tschermigite ()*
Uraninite ()*	Vermiculite ()*	Xenotime-(Y) ()*	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 Ba C Ca Cd Ce F Fe H K Mg Mn Mo N Na Ni O P S Si Sr Th Ti U Y Zn Zr

Elements from minerals reported directly at this locality: H O Si U

Structural Groups for minerals in this locality:
Alum Alunite Amorphous Baddeleyite Baryte Bastnäsite Brannerite Calcite Clay Corundum
Diaspore Feldspar Fluorite Halotrichite Kaolinite Mica Monazite None Not in a structural group Pentlandite
Pyrite Pyrophyllite Quartz Ramsdellite Rutile Smectite-vermiculite Sphalerite Spinel Tridymite Wurtzite
Zircon

44 IMA Minerals at location:

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
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	76	76	1	28000	966
Anatase ()*	Not in a structural group	TiO₂	76	76	1	28000	2162
Baddeleyite ()*	Baddeleyite	ZrO₂	76	76	1	28000	238
Baryte ()*	Baryte	Ba(SO₄)	76	76	1	28000	11547
Bastnäsite-(Ce) ()*	Bastnäsite	Ce(CO₃)F	76	76	1	28000	304
Bílinite ()*	Halotrichite	Fe²⁺Fe³⁺₂(SO₄)₄·22H₂O	76	76	1	28000	16
Brannerite ()*	Brannerite	UTi₂O₆	76	76	1	28000	248
Cheralite ()*	Monazite	CaTh(PO₄)₂	76	76	1	28000	50
Coffinite ()*	Zircon	U(SiO₄)·nH₂O	76	76	0		566
Crandallite ()*	Alunite	CaAl₃(PO₄)(PO₃OH)(OH)₆	76	76	1	28000	310
Fluorite ()*	Fluorite	CaF₂	76	76	1	28000	9617
Gibbsite ()*	None	Al(OH)₃	76	76	1	28000	504
Goethite ()*	Diaspore	FeO(OH)	76	76	1	28000	7437
Gorceixite ()*	Alunite	BaAl₃(PO₄)(PO₃OH)(OH)₆	76	76	1	28000	121
Goyazite ()*	Alunite	SrAl₃(PO₄)(PO₃OH)(OH)₆	76	76	1	28000	173
Greenockite ()*	Wurtzite	CdS	76	76	1	28000	717
Hematite ()*	Corundum	Fe₂O₃	76	76	1	28000	14640
Ilsemannite ()*	None	Mo₃O₈·nH₂O (?)	76	76	1	28000	123
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	76	76	1	28000	2228
Jordisite ()*	Amorphous	MoS₂	76	76	1	28000	102
Kalinite ()*	None	KAl(SO₄)₂·11H₂O	76	76	1	28000	54
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	76	76	1	28000	5591
Molybdite ()*	None	MoO₃	76	76	1	28000	140
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	76	76	1	28000	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	76	76	1	28000	17380
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	76	76	1	28000	884
Nsutite ()*	Ramsdellite	Mn²⁺_xMn⁴⁺_1-xO_2-2x(OH)_2x	76	76	1	28000	121
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	76	76	1	28000	1512
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	76	76	1	28000	2273
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	76	76	1	28000	265
Pyrite ()*	Pyrite	FeS₂	76	76	1	28000	39462
Pyrolusite ()*	Rutile	MnO₂	76	76	1	28000	3106
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	76	76	1	28000	771
Quartz ()*	Quartz	SiO₂	76	76	1	28000	61156
Rutile ()*	Rutile	TiO₂	76	76	1	28000	5614
Sanidine ()*	Feldspar	K(AlSi₃O₈)	76	76	1	28000	598
Siderite ()*	Calcite	Fe(CO₃)	76	76	1	28000	6417
Sphalerite ()*	Sphalerite	ZnS	76	76	1	28000	21482
Spinel ()*	Spinel	MgAl₂O₄	76	76	1	28000	1934
Tschermigite ()*	Alum	(NH₄)Al(SO₄)₂·12H₂O	76	76	1	28000	81
Uraninite ()*	Fluorite	UO₂	76	76	1	28000	2718
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	76	76	1	28000	652
Xenotime-(Y) ()*	Zircon	Y(PO₄)	76	76	1	28000	939
Zircon ()*	Zircon	Zr(SiO₄)	76	76	1	28000	5251

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_00000823	76	76	>76		Minimum age for the uranium of the Osamu Utsumi mine of Brazil							Brannerite, Uraninite		30595	Osamu Utsumi Mine, Campo Do Cercado, Caldas, Poços De Caldas Alkaline Complex, Minas Gerais, Brazil	Osamu Utsumi	Pearcy et al. (1994)	10.1016/0883-2927(94)90030-2	AG9_713	Age is given in comparison to the Nopal deposit due to its similarity as a natural analogue to nuclear waste disposal systems

Sample	Source Locality	Reference URL
R070513	Osamu Utsumi Mine, Campo Do Cercado, Caldas, Poços De Caldas Alkaline Complex, Minas Gerais, Brazil	https://rruff.info/R070513

All locality data graciously provided by mindat.org

All age data...