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:
Blue Moon Mine (Porcupine Mine; Blue Cloud Mine; Red Cloud Mine; Percupine Mine; American Eagle Mine; Bullion Hill Mine), Quartzburg, Hornitos District, West Belt, Mariposa Co., California, USA

Oldest recorded age at locality: 170
Youngest recorded age at locality: 170

mindat Locality ID: 81941
mindat URL: http://www.mindat.org/loc-81941.html

Tectonic Settings: Continental Arc

Total number of sublocalities beneath "Blue Moon Mine (Porcupine Mine; Blue Cloud Mine; Red Cloud Mine; Percupine Mine; American Eagle Mine; Bullion Hill Mine), Quartzburg, Hornitos District, West Belt, Mariposa Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 37°33'58"N
Longitude: 120°15'20"W
Decimal Degree (lat, lon): 37.566111111111,-120.25555555556

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.

Baryte	Calcite	Chalcopyrite	Clay	Corundum	Covellite	Malachite	Mica	None	Pyrite
Quartz	Rocksalt	Sphalerite	Tetrahedrite

Baryte ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Covellite ()*
Galena ()*	Hematite ()*	Malachite ()*	Muscovite ()*	Pyrite ()*
Quartz ()*	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: Al Ba C Ca Cu Fe H K O Pb S Sb Si Zn

Elements from minerals reported directly at this locality: Al Ba C Ca Cu Fe H K O Pb S Sb Si Zn

Structural Groups for minerals in this locality:
Baryte Calcite Chalcopyrite Clay Corundum Covellite Malachite Mica None Pyrite
Quartz Rocksalt Sphalerite Tetrahedrite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	170	170	11547
Calcite ()*	Calcite	Ca(CO₃)	170	170	27770
Chalcocite ()*	None	Cu₂S	170	170	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	170	170	27198
Covellite ()*	Covellite	CuS	170	170	4165
Galena ()*	Rocksalt	PbS	170	170	24243
Hematite ()*	Corundum	Fe₂O₃	170	170	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	170	170	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	170	170	17380
Pyrite ()*	Pyrite	FeS₂	170	170	39462
Quartz ()*	Quartz	SiO₂	170	170	61156
Sphalerite ()*	Sphalerite	ZnS	170	170	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	170	170	5317

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
	vms-01024	170	170	Jurassic										S	81941	Blue Moon Mine (Porcupine Mine; Blue Cloud Mine; Red Cloud Mine; Percupine Mine; American Eagle Mine; Bullion Hill Mine), Quartzburg, Hornitos District, West Belt, Mariposa Co., California, USA	Blue Moon	Moiser et al. (2009)		USGSOFR2009_1034

All locality data graciously provided by mindat.org

All age data...