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:
Chengguan District, Lhasa, Tibet, China

mindat Locality ID: 254000
mindat URL: http://www.mindat.org/loc-254000.html

Tectonic Settings:

Total number of sublocalities beneath "Chengguan District, Lhasa, Tibet, China": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Duodigou Mo Deposit
Lhasa Fe Deposit

Latitude: 29°42'43"N
Longitude: 91°11'58"E
Decimal Degree (lat, lon): 29.711944444444,91.199444444444

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	Chalcopyrite	Clinozoisite	Corundum	Epidote	Feldspar	Malachite	Molybdenite	None
Not in a structural group	Pyroxene	Quartz	Spinel	Tetrahedrite	Vesuvianite

Actinolite ()*	Albite ()*	Azurite ()*	Calcite ()*	Chalcopyrite ()*
Diopside ()*	Epidote ()*	Hematite ()*	Magnetite ()*	Malachite ()*
Molybdenite ()*	Quartz ()*	Tennantite-(Fe) ()*	Vesuvianite ()*

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 C Ca Cu F Fe H Mg Mo Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clinozoisite Corundum Epidote Feldspar Malachite Molybdenite None
Not in a structural group Pyroxene Quartz Spinel Tetrahedrite Vesuvianite

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# 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	1	43721	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	43720	8803
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	43721	5509
Calcite ()*	Calcite	Ca(CO₃)	1	43721	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	43721	27198
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	43721	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	43721	8173
Hematite ()*	Corundum	Fe₂O₃	1	43721	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	43721	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	43721	12537
Molybdenite ()*	Molybdenite	MoS₂	1	43720	5800
Quartz ()*	Quartz	SiO₂	1	43720	61156
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	1	43721	1803
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	43721	1395

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...