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:
Alajuela Province, Costa Rica

mindat Locality ID: 187360
mindat URL: http://www.mindat.org/loc-187360.html

Tectonic Settings:

Total number of sublocalities beneath "Alajuela Province, Costa Rica": 11
Total number of bottom-level sublocalities: 8

Number of Child Localities: 5
Child Localities:
Arenal Volcano
La Garita
Poás Volcano
San Rafael
San Ramon Mts

Latitude: 10°9'20"N
Longitude: 84°26'21"W
Decimal Degree (lat, lon): 10.155555555556,-84.439166666667

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.

Analcime	Apophyllite	Baryte	Calcite	Chalcopyrite	Copper	Feldspar	Gyrolite	Natrolite	None
Pyroxene	Quartz	Rhodonite	Rutile	Sphalerite	Spinel	Stibnite	Sulphur	Thomsonite

Alunite ()*	Analcime ()*	Anorthite ()*	Augite ()*	Baryte ()*
Calcite ()*	Chalcopyrite ()*	Fluorapophyllite-(K) ()*	Gold ()*	Gyrolite ()*
Magnetite ()*	Mesolite ()*	Pyrolusite ()*	Quartz ()*	Rhodonite ()*
Sphalerite ()*	Stibnite ()*	Sulphur ()*	Thomsonite-Ca ()*

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 Au Ba C Ca Cu F Fe H K Mg Mn Na O S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Apophyllite Baryte Calcite Chalcopyrite Copper Feldspar Gyrolite Natrolite None
Pyroxene Quartz Rhodonite Rutile Sphalerite Spinel Stibnite Sulphur Thomsonite

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	1	45798	966
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	2	45797,45800	1627
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	45797	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2	45797,45798	2060
Baryte ()*	Baryte	Ba(SO₄)	1	45800	11547
Calcite ()*	Calcite	Ca(CO₃)	2	45797,45800	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	45804	27198
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	1	45797	303
Gold ()*	Copper	Au	3	45803,45805,45806	30554
Gyrolite ()*	Gyrolite	NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O	1	45797	142
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	45798	14899
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	2	45797,45800	425
Pyrolusite ()*	Rutile	MnO₂	1	45804	3106
Quartz ()*	Quartz	SiO₂	4	45803,45804,45805,45806	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	45804	969
Sphalerite ()*	Sphalerite	ZnS	1	45804	21482
Stibnite ()*	Stibnite	Sb₂S₃	1	45804	3418
Sulphur ()*	Sulphur	S	1	45798	2045
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	2	45797,45800	452

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...