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:
Tongonan Geothermal Field, Leyte, Samar Island, Eastern Visayas Region, Visayas, Philippines

mindat Locality ID: 205393
mindat URL: http://www.mindat.org/loc-205393.html

Tectonic Settings:

Total number of sublocalities beneath "Tongonan Geothermal Field, Leyte, Samar Island, Eastern Visayas Region, Visayas, Philippines": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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	Calcite	Clinozoisite	Epidote	Garnet	None	Not in a structural group	Prehnite	Titanite	Vesuvianite
Wollastonite

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 F Fe H Mg Na O S Si Ti

Elements from minerals reported directly at this locality: Al C Ca F Fe H Mg Na O S Si Ti

Structural Groups for minerals in this locality:
Analcime Calcite Clinozoisite Epidote Garnet None Not in a structural group Prehnite Titanite Vesuvianite
Wollastonite

10 IMA Minerals at location:

Andradite ()*	Anhydrite ()*	Calcite ()*	Epidote ()*	Laumontite ()*
Prehnite ()*	Titanite ()*	Vesuvianite ()*	Wairakite ()*	Wollastonite ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1534
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1588
Calcite ()*	Calcite	Ca(CO₃)	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1271
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1898
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1395
Wairakite ()*	Analcime	Ca(Si₄Al₂)O₁₂·2H₂O	73
Wollastonite ()*	Wollastonite	CaSiO₃	1247

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...