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:
Gonjo Co. (Gongjue Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China

Oldest recorded age at locality: 49
Youngest recorded age at locality: 38

mindat Locality ID: 205719
mindat URL: http://www.mindat.org/loc-205719.html

Tectonic Settings:

Total number of sublocalities beneath "Gonjo Co. (Gongjue Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Gegongnong Cu-Au Deposit (Gegonglong Cu-Au Deposit)
Gonjo Basin

Latitude: 30°37'29"N
Longitude: 98°32'59"E
Decimal Degree (lat, lon): 30.624722222222,98.549722222222

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.

Alunite	Amphibole	Arsenopyrite	Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Covellite
Epidote	Gypsum	Kaolinite	Malachite	Mica	Nickeline	None	Pentlandite	Pyrite	Pyroxene
Quartz	Rocksalt	Spinel

Actinolite ()*	Anglesite ()*	Arsenopyrite ()*	Bornite ()*	Calcite ()*
Chalcopyrite ()*	Covellite ()*	Diopside ()*	Epidote ()*	Galena ()*
Gold ()*	Gypsum ()*	Halite ()*	Jarosite ()*	Kaolinite ()*
Magnetite ()*	Malachite ()*	Muscovite ()*	Pentlandite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Silver ()*	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: Ag Al As Au C Ca Cl Cu Fe H K Mg Na Ni O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Amphibole Arsenopyrite Baryte Calcite Chalcopyrite Clay Clinozoisite Copper Covellite
Epidote Gypsum Kaolinite Malachite Mica Nickeline None Pentlandite Pyrite Pyroxene
Quartz Rocksalt Spinel

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	49	38	1	43895	3419
Anglesite ()*	Baryte	Pb(SO₄)	49	38	1	43895	2734
Arsenopyrite ()*	Arsenopyrite	FeAsS	49	38	1	43895	9052
Bornite ()*	None	Cu₅FeS₄	49	38	1	43895	5516
Calcite ()*	Calcite	Ca(CO₃)	49	38	1	43895	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	49	38	1	43895	27198
Covellite ()*	Covellite	CuS	49	38	1	43895	4165
Diopside ()*	Pyroxene	CaMgSi₂O₆	49	38	1	43895	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	49	38	1	43895	8173
Galena ()*	Rocksalt	PbS	49	38	1	43895	24243
Gold ()*	Copper	Au	49	38	1	43895	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	43896	6890
Halite ()*	Rocksalt	NaCl			1	43897	1398
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	49	38	1	43895	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	49	38	1	43895	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	49	38	1	43895	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	49	38	1	43895	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	49	38	1	43895	17380
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	49	38	1	43895	1512
Pyrite ()*	Pyrite	FeS₂	49	38	1	43895	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	49	38	1	43895	9056
Quartz ()*	Quartz	SiO₂	49	38	1	43895	61156
Silver ()*	Copper	Ag	49	38	1	43895	5186
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	49	38	1	43895	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
	PorphCu-00170	49	38	49–38										Cu	142185	Gegongnong Cu-Au Deposit (Gegonglong Cu-Au Deposit), Gonjo Co. (Gongjue Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Gegongnong	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...