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:
Tungao Talc Belt, Tungao (Tungyuehtsun), Nanao, Yilan Co. (Ilan Co.), Taiwan Province, Taiwan

Oldest recorded age at locality: 83
Youngest recorded age at locality: 83

mindat Locality ID: 158707
mindat URL: http://www.mindat.org/loc-158707.html

Tectonic Settings:

Total number of sublocalities beneath "Tungao Talc Belt, Tungao (Tungyuehtsun), Nanao, Yilan Co. (Ilan Co.), Taiwan Province, Taiwan": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Chungkuo Mine
Chungtung Mine
Lanyang Mine
Tungtai Mine

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.

Amphibole	Calcite	Clay	Mica	None	Pyrite	Quartz	Spinel	Talc

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 Mg O S Si

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

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Mica None Pyrite Quartz Spinel Talc

10 IMA Minerals at location:

Actinolite ()*	Anthophyllite ()*	Calcite ()*	Graphite ()*	Magnetite ()*
Muscovite ()*	Pyrite ()*	Quartz ()*	Talc ()*	Tremolite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	83	83	3419
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	83	83	718
Calcite ()*	Calcite	Ca(CO₃)	83	83	27770
Graphite ()*	None	C	83	83	2812
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	83	83	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	83	83	17380
Pyrite ()*	Pyrite	FeS₂	83	83	39462
Quartz ()*	Quartz	SiO₂	83	83	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	83	83	3337
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	83	83	2562

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
	Bradley_2012_044	83	83	83	Ar/Ar			muscovite			Yes	Muscovite			158701	Nanao, Yilan Co. (Ilan Co.), Taiwan Province, Taiwan	[Tananao Schist]	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

All locality data graciously provided by mindat.org

All age data...