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:
Dayakou Emerald Mine, Malipo Co., Wenshan, Yunnan, China

Oldest recorded age at locality: 125
Youngest recorded age at locality: 123

mindat Locality ID: 131695
mindat URL: http://www.mindat.org/loc-131695.html

Tectonic Settings:

Total number of sublocalities beneath "Dayakou Emerald Mine, Malipo Co., Wenshan, Yunnan, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 22°55'41"N
Longitude: 104°41'48"E
Decimal Degree (lat, lon): 22.928055555556,104.69666666667

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	Arsenopyrite	Beryl	Calcite	Clay	Clinozoisite	Epidote	Feldspar	Fluorite	Mica
Nickeline	None	Pyrite	Quartz	Scheelite	Titanite

Albite ()*	Arsenopyrite ()*	Beryl ()*	Calcite ()*	Epidote ()*
Fluorite ()*	Muscovite ()*	Orthoclase ()*	Phlogopite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Scheelite ()*	Titanite ()*	Tremolite ()*

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 As Be C Ca F Fe H K Mg Na O S Si Ti W

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

Structural Groups for minerals in this locality:
Amphibole Arsenopyrite Beryl Calcite Clay Clinozoisite Epidote Feldspar Fluorite Mica
Nickeline None Pyrite Quartz Scheelite Titanite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	125	123	8803
Arsenopyrite ()*	Arsenopyrite	FeAsS	125	123	9052
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	125	123	4286
Calcite ()*	Calcite	Ca(CO₃)	125	123	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	125	123	8173
Fluorite ()*	Fluorite	CaF₂	125	123	9617
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	125	123	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	125	123	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	125	123	2273
Pyrite ()*	Pyrite	FeS₂	125	123	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	125	123	9056
Quartz ()*	Quartz	SiO₂	125	123	61156
Scheelite ()*	Scheelite	Ca(WO₄)	125	123	4894
Titanite ()*	Titanite	CaTi(SiO₄)O	125	123	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	125	123	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_038	125	123	124±1	Ar/Ar			biotite							131695	Dayakou Emerald Mine, Malipo Co., Wenshan, Yunnan, China	Dyakou	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...