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 Formoso Ultramafic Complex, Bahia, Brazil

Oldest recorded age at locality: 380
Youngest recorded age at locality: 361

mindat Locality ID: 68826
mindat URL: http://www.mindat.org/loc-68826.html

Tectonic Settings:

Total number of sublocalities beneath "Campo Formoso Ultramafic Complex, Bahia, Brazil": 0
Total number of bottom-level sublocalities: 0

Latitude: 10°32'48"S
Longitude: 40°22'4"W
Decimal Degree (lat, lon): -10.546666666667,-40.367777777778

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.

Amorphous	Arsenic	Calcite	Chlorite	Clay	Diaspore	Hydrotalcite	Kaolinite	Monazite	None
Pentlandite	Pyrite	Quartz	Rocksalt	Serpentine	Smectite-vermiculite	Spinel	Stibnite	Talc	Ullmannite

Antimony ()*	Bismuthinite ()*	Chromite ()*	Chrysotile ()*	Clinochlore ()*
Dolomite ()*	Erlichmanite ()*	Galena ()*	Goethite ()*	Hollingworthite ()*
Irarsite ()*	Kaolinite ()*	Laurite ()*	Lizardite ()*	Magnesite ()*
Monazite-(Ce) ()*	Monazite-(La) ()*	Nontronite ()*	Opal ()*	Osmium ()*
Pentlandite ()*	Quartz ()*	Ruarsite ()*	Stichtite ()*	Talc ()*
Volkonskoite ()*

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 Bi C Ca Ce Cr Fe H Ir La Mg Na Ni O Os P Pb Rh Ru S Sb Si

Elements from minerals reported directly at this locality: Al As Bi C Ca Ce Cr Fe H Ir La Mg Na Ni O Os P Pb Rh Ru S Sb Si

Structural Groups for minerals in this locality:
Amorphous Arsenic Calcite Chlorite Clay Diaspore Hydrotalcite Kaolinite Monazite None
Pentlandite Pyrite Quartz Rocksalt Serpentine Smectite-vermiculite Spinel Stibnite Talc Ullmannite

26 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Antimony ()*	Arsenic	Sb	380	361	363
Bismuthinite ()*	Stibnite	Bi₂S₃	380	361	1935
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	380	361	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	380	361	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	380	361	1756
Dolomite ()*	None	CaMg(CO₃)₂	380	361	9895
Erlichmanite ()*	Pyrite	OsS₂	380	361	110
Galena ()*	Rocksalt	PbS	380	361	24243
Goethite ()*	Diaspore	FeO(OH)	380	361	7437
Hollingworthite ()*	Ullmannite	RhAsS	380	361	119
Irarsite ()*	Pyrite	IrAsS	380	361	154
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	380	361	5591
Laurite ()*	Pyrite	RuS₂	380	361	226
Lizardite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	380	361	359
Magnesite ()*	Calcite	Mg(CO₃)	380	361	1487
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	380	361	945
Monazite-(La) ()*	Monazite	La(PO₄)	380	361	38
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	380	361	471
Opal ()*	Amorphous	SiO₂·nH₂O	380	361	2994
Osmium ()*	None	Os	380	361	169
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	380	361	1512
Quartz ()*	Quartz	SiO₂	380	361	61156
Ruarsite ()*	None	RuAsS	380	361	25
Stichtite ()*	Hydrotalcite	Mg₆Cr₂(CO₃)(OH)₁₆·4H₂O	380	361	43
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	380	361	3337
Volkonskoite ()*	Clay Smectite-vermiculite	Ca_0.3(Cr,Mg)₂(Si,Al)₄O₁₀(OH)₂·4H₂O	380	361	22

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
	Cr-00050	380	361	375	U-Pb			monazite, samarskite			Yes		Chromite, Stichtite, Volkonskoite	Cr	205487	Itambé, Bahia, Brazil	Bahia, ltambe	Gastil (1960)	10.2475/ajs.258.1.1	AJS258_1

All locality data graciously provided by mindat.org

All age data...