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:
Maiji District, Tianshui, Gansu, China

mindat Locality ID: 230598
mindat URL: http://www.mindat.org/loc-230598.html

Tectonic Settings:

Total number of sublocalities beneath "Maiji District, Tianshui, Gansu, China": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Baiyagou Au Deposit
Xiajiaping Au Deposit

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Arsenopyrite	Calcite	Chalcopyrite	Clay	Copper	Corundum	Mica	None	Pyrite	Quartz
Rocksalt	Rutile	Sphalerite

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 Au C Ca Cu Fe H Hg K O Pb S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Calcite Chalcopyrite Clay Copper Corundum Mica None Pyrite Quartz
Rocksalt Rutile Sphalerite

12 IMA Minerals at location:

Arsenopyrite ()*	Calcite ()*	Chalcopyrite ()*	Cinnabar ()*	Galena ()*
Gold ()*	Hematite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*
Rutile ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	37779	9052
Calcite ()*	Calcite	Ca(CO₃)	2	37779,37780	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	37779,37780	27198
Cinnabar ()*	None	HgS	1	37779	2600
Galena ()*	Rocksalt	PbS	2	37779,37780	24243
Gold ()*	Copper	Au	2	37779,37780	30554
Hematite ()*	Corundum	Fe₂O₃	1	37779	14640
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	37779	17380
Pyrite ()*	Pyrite	FeS₂	2	37779,37780	39462
Quartz ()*	Quartz	SiO₂	2	37779,37780	61156
Rutile ()*	Rutile	TiO₂	1	37779	5614
Sphalerite ()*	Sphalerite	ZnS	2	37779,37780	21482

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...