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:
Mack House, Alleghany District (Forest District), Sierra Co., California, USA

Oldest recorded age at locality: 388
Youngest recorded age at locality: 388

mindat Locality ID: 269616
mindat URL: http://www.mindat.org/loc-269616.html

Tectonic Settings:

Total number of sublocalities beneath "Mack House, Alleghany District (Forest District), Sierra Co., California, USA": 31
Total number of bottom-level sublocalities: 31

Number of Child Localities: 31
Child Localities:
Albany Consolidated Group Mine (Albany Cons. Gp)
Alta Mine
Angle Liberty Mine (Brainerd Property; Clincher)
Bank Mining Company Mine
Buckeye Placer
Cleveland Mine (Gray Eagle Group)
Contact Occurrence
Croesus Occurrence
Flynn And Woods Prospect
Frances D Mine
Gold King Mine (Gold King Prospect)
Golden Fraction Mine
Granger Prospect (De Luxe Prospect)
Hanley And Company Gravel Claim (Hanley And Co Gravel Claim; Gold Star Mine)
James Mine
Kanaka Placer
Kenton Mine (Kenton Annex; King Solomon Mine)
Lost Viking Placer Mine
Lucky And Hard Work Placer Mine
Macchaus Mine
McCormick Prospect
Moonshine Mine
Mount Rainier Occurrence
New Jersey Placer
Oasis Mine
Queen Of Sheba Mine
Red Ledge Mine (Bank Mining Company)
Roye-Sum Mine
Scotia & Alice Consolidated Mine (Scotia & Alice Cons.; Scotia And Alice Cons.; Scotia Vein; Alice Vein; Del Norte)
Seymour Occurrence
Shannon Mine

Latitude: 39°27'22"N
Longitude: 120°52'34"W
Decimal Degree (lat, lon): 39.456111111111,-120.87611111111

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	Clay	Copper	Mica	None	Pyrite	Quartz	Spinel

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 Cr Fe H K Mg O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Clay Copper Mica None Pyrite Quartz Spinel

9 IMA Minerals at location:

Ankerite ()*	Arsenopyrite ()*	Chromite ()*	Gold ()*	Magnesiochromite ()*
Magnetite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*

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
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	177331	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	177321	9052
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			3	177312,177313,177325	3902
Gold ()*	Copper	Au			18	177305,177308,177310,177314,177315,177316,177318,177319,177321,177322,177323,177326,177329,177330,177331,177332,177333,177335	30554
Magnesiochromite ()*	Spinel	MgCr₂O₄	388	388	1	177324	311
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	177331	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	177331	17380
Pyrite ()*	Pyrite	FeS₂			2	177321,177332	39462
Quartz ()*	Quartz	SiO₂			15	177305,177308,177310,177314,177315,177316,177319,177321,177326,177329,177330,177331,177332,177333,177335	61156

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
	podchrome-00195	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)										Cr	93404	Macchaus Mine, Mack House, Alleghany District (Forest District), Sierra Co., California, USA	Macchaus	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...