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:
Esquire No. 8 Claim (Lander's Gillespite Locality), Big Creek, Rush Creek Deposit, Big Creek-Rush Creek District, Fresno Co., California, USA

Oldest recorded age at locality: 145
Youngest recorded age at locality: 66

mindat Locality ID: 25573
mindat URL: http://www.mindat.org/loc-25573.html

Tectonic Settings:

Total number of sublocalities beneath "Esquire No. 8 Claim (Lander's Gillespite Locality), Big Creek, Rush Creek Deposit, Big Creek-Rush Creek District, Fresno Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 36°55'0"N
Longitude: 119°14'44"W
Decimal Degree (lat, lon): 36.916666666667,-119.24555555556

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.

Amphibole	Aragonite	Astrophyllite	Baryte	Benitoite	Calcite	Cerchiaraite	Clay	Edingtonite	Ericssonite
Feldspar	Gillespite	Margarosanite	Melilite	Mica	Nickeline	None	Pyrite	Pyroxene	Quartz
Rhodesite	Scheelite	Smectite-vermiculite	Tobermorite

Anandite ()*	Aragonite ()*	Baryte ()*	Bazirite ()*	Calcite ()*
Celsian ()*	Cerchiaraite-(Al) ()*	Cerchiaraite-(Fe) ()*	Devitoite ()*	Diopside ()*
Edingtonite ()*	Ferroericssonite ()*	Fresnoite ()*	Gillespite ()*	Macdonaldite ()*
Montmorillonite ()*	Muirite ()*	Pellyite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Sanbornite ()*	Scheelite ()*	Titantaramellite ()*	Tobermorite ()*
Traskite ()*	Tremolite ()*	Walstromite ()*	Witherite ()*

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 B Ba C Ca Cl F Fe H Mg Mn Na O P S Si Ti W Zr

Elements from minerals reported directly at this locality: Al B Ba C Ca Cl F Fe H Mg Mn Na O P S Si Ti W Zr

Structural Groups for minerals in this locality:
Amphibole Aragonite Astrophyllite Baryte Benitoite Calcite Cerchiaraite Clay Edingtonite Ericssonite
Feldspar Gillespite Margarosanite Melilite Mica Nickeline None Pyrite Pyroxene Quartz
Rhodesite Scheelite Smectite-vermiculite Tobermorite

29 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anandite ()*	Mica Clay	BaFe²⁺₃(Si₃Fe³⁺)O₁₀S(OH)	145	66	5
Aragonite ()*	Aragonite	Ca(CO₃)	145	66	3250
Baryte ()*	Baryte	Ba(SO₄)	145	66	11547
Bazirite ()*	Benitoite	BaZrSi₃O₉	145	66	11
Calcite ()*	Calcite	Ca(CO₃)	145	66	27770
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)	145	66	100
Cerchiaraite-(Al) ()*	Cerchiaraite	Ba₄Al₄(Si₄O₁₂)O₂(OH)₄Cl₂[Si₂O₃(OH)₄]	145	66	4
Cerchiaraite-(Fe) ()*	Cerchiaraite	Ba₄Fe³⁺₄(Si₄O₁₂)O₂(OH)₄Cl₂[Si₂O₃(OH)₄]	145	66	6
Devitoite ()*	Astrophyllite	Ba₆Fe²⁺₇Fe³⁺₂(Si₄O₁₂)₂(PO₄)₂(CO₃)O₂(OH)₄	145	66	3
Diopside ()*	Pyroxene	CaMgSi₂O₆	145	66	4135
Edingtonite ()*	Edingtonite	Ba(Si₃Al₂)O₁₀·4H₂O	145	66	26
Ferroericssonite ()*	Ericssonite	BaFe²⁺₂Fe³⁺(Si₂O₇)O(OH)	145	66	3
Fresnoite ()*	Melilite	Ba₂TiO(Si₂O₇)	145	66	17
Gillespite ()*	Gillespite	BaFe²⁺Si₄O₁₀	145	66	9
Macdonaldite ()*	Rhodesite	BaCa₄Si₁₆O₃₆(OH)₂·10H₂O	145	66	5
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	145	66	1508
Muirite ()*	None	Ba₁₀Ca₂Mn²⁺TiSi₁₀O₃₀(OH,Cl,F)₁₀	145	66	3
Pellyite ()*	None	Ba₂CaFe²⁺₂Si₆O₁₇	145	66	5
Pyrite ()*	Pyrite	FeS₂	145	66	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	145	66	9056
Quartz ()*	Quartz	SiO₂	145	66	61156
Sanbornite ()*	None	BaSi₂O₅	145	66	13
Scheelite ()*	Scheelite	Ca(WO₄)	145	66	4894
Titantaramellite ()*	None	Ba₄(Ti,Fe³⁺,Mg)₄(O,OH)₂[B₂Si₈O₂₇]Cl_x	145	66	10
Tobermorite ()*	Tobermorite	Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O)	145	66	114
Traskite ()*	None	Ba₂₁Ca(Fe²⁺,Mn,Ti)₄(Ti,Fe,Mg)₁₂(Si₁₂O₃₆)(Si₂O₇)₆(O,OH)₃₀Cl₆·14H₂O	145	66	4
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	145	66	2562
Walstromite ()*	Margarosanite	BaCa₂Si₃O₉	145	66	8
Witherite ()*	Aragonite	Ba(CO₃)	145	66	251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_501	Big Creek - Rush Creek district is known for unique barium minerals. Sanbornite-quartz rock and associated foliated quartzite, occur within metasedimentary blocks in migmatite adjoining a granodiorite pluton

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
	Michelle_501	145	66	Cretaceous	Stratigraphy	Age of contact metamorphism					Yes			Ba	209815	Big Creek-Rush Creek District, Fresno Co., California, USA	Rush Creek - Big Creek	Walstrom and Leising (2005)		MR36_1	Age of granodiorite intrusion. Barium deposits result in metasedimentary blocks within migmatite resulting from contact metamorphism.

Sample	Source Locality	Reference URL
R070634	Esquire No. 8 Claim (Lander's Gillespite Locality), Big Creek, Rush Creek Deposit, Big Creek-Rush Creek District, Fresno Co., California, USA	https://rruff.info/R070634

All locality data graciously provided by mindat.org

All age data...