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:
Alvord District, Alvord Mountain, San Bernardino Co., California, USA

Oldest recorded age at locality: 22
Youngest recorded age at locality: 17

mindat Locality ID: 272777
mindat URL: http://www.mindat.org/loc-272777.html

Tectonic Settings:

Total number of sublocalities beneath "Alvord District, Alvord Mountain, San Bernardino Co., California, USA": 33
Total number of bottom-level sublocalities: 31

Number of Child Localities: 1
Child Localities:
Alvord Peak

Latitude: 35°5'27"N
Longitude: 116°37'33"W
Decimal Degree (lat, lon): 35.090833333333,-116.62583333333

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.

Allophane	Calcite	Copper	Corundum	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 Au C Ca Cu Fe H O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Calcite Copper Corundum None Pyrite Quartz Spinel

7 IMA Minerals at location:

Calcite ()*	Chrysocolla ()*	Gold ()*	Hematite ()*	Magnetite ()*
Pyrite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	170371	27770
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	170371	3531
Gold ()*	Copper	Au	3	170373,170389,170390	30554
Hematite ()*	Corundum	Fe₂O₃	1	170371	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	170387	14899
Pyrite ()*	Pyrite	FeS₂	1	170371	39462
Quartz ()*	Quartz	SiO₂	5	170371,170373,170389,170390,170401	61156

2 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
	NAVDAT-19627	22	18	20±2					19627						219249	Clews Ridge Occurrence, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino Co., California, USA		NAVDAT		NAVDAT
	NAVDAT-58126	20	17	18+2/-1					58126						219249	Clews Ridge Occurrence, Alvord Peak, Alvord District, Alvord Mountain, San Bernardino Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...