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:
Nagchu Co. (Naqu Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, China

mindat Locality ID: 228846
mindat URL: http://www.mindat.org/loc-228846.html

Tectonic Settings:

Total number of sublocalities beneath "Nagchu Co. (Naqu Co.), Nagchu Prefecture (Naqu Prefecture), Tibet, China": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Co Ngoin (Tso Ngoin; Cuo'e)
Neri Punco (Neri Puntso; Nairi Pingcuo)
Youkalang Pb-Ag Deposit (Youqialang Pb-Ag Deposit)

Latitude: 31°23'11"N
Longitude: 91°29'15"E
Decimal Degree (lat, lon): 31.386388888889,91.4875

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.

Aragonite	Argyrodite	Calcite	Chalcopyrite	Clay	Copper	Kaolinite	Mica	Nickeline	None
Polybasite	Pyrite	Quartz	Rocksalt	Sphalerite	Tetrahedrite

Calcite ()*	Canfieldite ()*	Cerussite ()*	Chalcopyrite ()*	Dolomite ()*
Galena ()*	Kaolinite ()*	Muscovite ()*	Polybasite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Siderite ()*	Silver ()*	Sphalerite ()*
Tetrahedrite-(Zn) ()*

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: Ag Al C Ca Cu Fe H K Mg O Pb S Sb Si Sn Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Argyrodite Calcite Chalcopyrite Clay Copper Kaolinite Mica Nickeline None
Polybasite Pyrite Quartz Rocksalt Sphalerite Tetrahedrite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	3	43781,43782,43783	27770
Canfieldite ()*	Argyrodite	Ag₈SnS₆	1	43783	91
Cerussite ()*	Aragonite	Pb(CO₃)	1	43783	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	43783	27198
Dolomite ()*	None	CaMg(CO₃)₂	1	43781	9895
Galena ()*	Rocksalt	PbS	1	43783	24243
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	43783	5591
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	43783	17380
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	1	43783	716
Pyrite ()*	Pyrite	FeS₂	1	43783	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	43783	9056
Quartz ()*	Quartz	SiO₂	1	43783	61156
Siderite ()*	Calcite	Fe(CO₃)	1	43783	6417
Silver ()*	Copper	Ag	1	43783	5186
Sphalerite ()*	Sphalerite	ZnS	1	43783	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1	43783	5317

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...