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:
La Negra-Coquimbana District, Antofagasta Province, Antofagasta, Chile

mindat Locality ID: 301731
mindat URL: http://www.mindat.org/loc-301731.html

Tectonic Settings:

Total number of sublocalities beneath "La Negra-Coquimbana District, Antofagasta Province, Antofagasta, Chile": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Coquimbana Mine
La Negra Mine
Porvenir Mine

Latitude: 28°22'"S
Longitude: 70°31'"W
Decimal Degree (lat, lon): -28.366666666667,-70.516666666667

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.

Braunite	Calcite	Coronadite	Corundum	Diaspore	Garnet	None	Olivine	Quartz	Rutile
Spinel

Andradite ()*	Birnessite ()*	Braunite ()*	Calcite ()*	Coronadite ()*
Cryptomelane ()*	Franklinite ()*	Goethite ()*	Hausmannite ()*	Hematite ()*
Magnetite ()*	Manjiroite ()*	Pyrolusite ()*	Quartz ()*	Spessartine ()*
Tephroite ()*

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 C Ca Fe H K Mn Na O Pb Si Zn

Elements from minerals reported directly at this locality: Fe O

Structural Groups for minerals in this locality:
Braunite Calcite Coronadite Corundum Diaspore Garnet None Olivine Quartz Rutile
Spinel

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1	35596	1534
Birnessite ()*	None	(Na,Ca,K)_0.6(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O	1	35595	178
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	1	35595	483
Calcite ()*	Calcite	Ca(CO₃)	2	35594,35595	27770
Coronadite ()*	Coronadite	Pb(Mn⁴⁺₆Mn³⁺₂)O₁₆	1	35595	227
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	1	35595	599
Franklinite ()*	Spinel	ZnFe³⁺₂O₄	1	35595	52
Goethite ()*	Diaspore	FeO(OH)	2	35595,35596	7437
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	2	35594,35595	350
Hematite ()*	Corundum	Fe₂O₃	2	35595,35596	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Manjiroite ()*	Coronadite	Na(Mn⁴⁺₇Mn³⁺)O₁₆	1	35595	22
Pyrolusite ()*	Rutile	MnO₂	2	35594,35595	3106
Quartz ()*	Quartz	SiO₂	2	35595,35596	61156
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	35595	1214
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)	1	35594	240

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...