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:
Juishuei, Hualien Co., Taiwan Province, Taiwan


mindat Locality ID: 285692
mindat URL: http://www.mindat.org/loc-285692.html

Tectonic Settings:

Total number of sublocalities beneath "Juishuei, Hualien Co., Taiwan Province, Taiwan": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Damayanshan

Latitude: 23°31'32"N
Longitude: 121°20'23"E
Decimal Degree (lat, lon): 23.525555555556,121.33972222222
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 Na O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleClayGarnetMicaNonePyritePyrophylliteSpinel

9 IMA Minerals at location:
Actinolite  (*)Almandine  (*)Ankerite  (*)Magnetite  (*)Muscovite  (*)
Paragonite  (*)Pyrite  (*)Pyrophyllite  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)211154523419
Almandine  (*)GarnetFe2+3Al2(SiO4)311154522353
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211154523092
Magnetite  (*)SpinelFe2+Fe3+2O4111545214899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2111545217380
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)21115452247
Pyrite  (*)PyriteFeS2111545239462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)21115452771
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211154522562


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...

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