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:
Banner District, San Diego Co., California, USA

Oldest recorded age at locality: 168
Youngest recorded age at locality: 161

mindat Locality ID: 210505
mindat URL: http://www.mindat.org/loc-210505.html

Tectonic Settings:

Total number of sublocalities beneath "Banner District, San Diego Co., California, USA": 49
Total number of bottom-level sublocalities: 45

Number of Child Localities: 3
Child Localities:
Banner
Mason Valley
Rodriguez Canyon

Latitude: 33°1'24"N
Longitude: 116°30'4"W
Decimal Degree (lat, lon): 33.023333333333,-116.50111111111

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.

Alum	Amphibole	Arsenopyrite	Clay	Clinozoisite	Corundum	Epidote	Feldspar	Garnet	Mica
Nickeline	None	Pyrite	Pyroxene	Quartz	Rutile	Scheelite	Smectite-vermiculite	Tourmaline	Wollastonite

Albite ()*	Alum-(K) ()*	Amblygonite ()*	Arsenopyrite ()*	Cassiterite ()*
Clinozoisite ()*	Diopside ()*	Epidote ()*	Graphite ()*	Grossular ()*
Hematite ()*	Microcline ()*	Montebrasite ()*	Muscovite ()*	Nontronite ()*
Orthoclase ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Scheelite ()*
Schorl ()*	Spodumene ()*	Tremolite ()*	Wollastonite ()*

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 B C Ca F Fe H K Li Mg Na O P S Si Sn W

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alum Amphibole Arsenopyrite Clay Clinozoisite Corundum Epidote Feldspar Garnet Mica
Nickeline None Pyrite Pyroxene Quartz Rutile Scheelite Smectite-vermiculite Tourmaline Wollastonite

24 IMA Minerals at location:

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
Albite ()*	Feldspar	Na(AlSi₃O₈)			2	174349,174351	8803
Alum-(K) ()*	Alum	KAl(SO₄)₂·12H₂O			1	174331	92
Amblygonite ()*	None	LiAl(PO₄)F			1	174322	244
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	174337	9052
Cassiterite ()*	Rutile	SnO₂			1	174322	5171
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	168	161	1	174333	1025
Diopside ()*	Pyroxene	CaMgSi₂O₆	168	161	2	174333,174336	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			2	174336,174349	8173
Graphite ()*	None	C			1	174341	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	168	161	3	174333,174347,174349	1544
Hematite ()*	Corundum	Fe₂O₃			1	174336	14640
Microcline ()*	Feldspar	K(AlSi₃O₈)			2	174349,174351	4924
Montebrasite ()*	None	LiAl(PO₄)(OH)			1	174351	200
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			3	174337,174349,174351	17380
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O			1	174314	471
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			1	174351	2349
Pyrite ()*	Pyrite	FeS₂			1	174337	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	174337	9056
Quartz ()*	Quartz	SiO₂			3	174314,174336,174351	61156
Scheelite ()*	Scheelite	Ca(WO₄)			3	174314,174336,174342	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			2	174330,174351	2705
Spodumene ()*	Pyroxene	LiAlSi₂O₆			1	174351	688
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	168	161	1	174333	2562
Wollastonite ()*	Wollastonite	CaSiO₃			1	174346	1247

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
	NAVDAT-44520	168	161	164+4/-3					44520						256606	San Felipe Garnet Mine, Banner, Banner District, San Diego Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...