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:
Glenn Co., California, USA

Oldest recorded age at locality: 565
Youngest recorded age at locality: 7

mindat Locality ID: 3458
mindat URL: http://www.mindat.org/loc-3458.html

Tectonic Settings:

Total number of sublocalities beneath "Glenn Co., California, USA": 62
Total number of bottom-level sublocalities: 42

Number of Child Localities: 7
Child Localities:
Black Butte Lake (Black Butte Reservoir)
Chrome
Coastal Range
Fruto
Hamilton City
Logandale
Orland

Latitude: 39°38'38"N
Longitude: 122°21'2"W
Decimal Degree (lat, lon): 39.643888888889,-122.35055555556

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.

Adelite	Amorphous	Calcite	Clay	Copper	Garnet	Marcasite	Mica	None	Not in a structural group
Quartz	Rutile	Spinel	Talc

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 C Ca Cr Cu Fe H K Mg Mn O S Si V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Adelite Amorphous Calcite Clay Copper Garnet Marcasite Mica None Not in a structural group
Quartz Rutile Spinel Talc

13 IMA Minerals at location:

Chromite ()*	Copper ()*	Cuprite ()*	Magnesiochromite ()*	Magnesite ()*
Marcasite ()*	Muscovite ()*	Opal ()*	Pyrolusite ()*	Quartz ()*
Talc ()*	Tangeite ()*	Uvarovite ()*

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
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	565	7	6	156093,156098,156099,156101,156112,156120	3902
Copper ()*	Copper	Cu			2	156125,156131	3846
Cuprite ()*	Not in a structural group	Cu₂O			1	156096	2970
Magnesiochromite ()*	Spinel	MgCr₂O₄	167	167	2	156110,156111	311
Magnesite ()*	Calcite	Mg(CO₃)	167	167	1	156110	1487
Marcasite ()*	Marcasite	FeS₂			1	156083	5674
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			2	156090,156091	17380
Opal ()*	Amorphous	SiO₂·nH₂O	167	167	1	156110	2994
Pyrolusite ()*	Rutile	MnO₂			7	156090,156091,156103,156117,156118,156122,156126	3106
Quartz ()*	Quartz	SiO₂			1	156083	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	167	167	1	156110	3337
Tangeite ()*	Adelite	CaCu(VO₄)(OH)			1	156086	60
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	167	167	1	156110	212

31 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
podchrome-00041	164	164	Middle Jurassic (161-168 Ma)				Cr	76713	High Point Mine, Bald Hill, Coastal Range, Glenn Co., California, USA	High Point	Moiser et al. (2012)	USGSSIR2012_5157
USGS-U-Th-Pb-02156_206_238	137.5	134.9	136.2±1.3	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02156_207_206	165	135	150±15	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02156_207_235	138.6	135.4	137±1.6	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02157_206_238	131.2	127.4	129.3±1.9	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02157_207_206	188	104	146±42	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02157_207_235	133.4	127	130.2±3.2	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02158_206_238	112.9	110.5	111.7±1.2	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02158_207_206	279	7	143±136	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02158_207_235	120	106.2	113.1±6.9	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02159_206_238	150.9	147.7	149.3±1.6	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02159_207_206	565	547	556±9	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02159_207_235	178.3	174.3	176.3±2	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02160_206_238	138.6	136	137.3±1.3	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02160_207_206	172	126	149±23	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02160_207_235	139.9	135.9	137.9±2	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02161_206_238	126.8	122.6	124.7±2.1	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02161_207_206	209	89	149±60	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02161_207_235	130.1	121.7	125.9±4.2	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02162_206_238	137.8	135.6	136.7±1.1	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02162_207_206	154	132	143±11	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02162_207_235	138.4	135.8	137.1±1.3	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02163_206_238	139	136.8	137.9±1.1	206_238	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02163_207_206	146	136	141±5	207_206	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02163_207_235	139.2	137	138.1±1.1	207_235	zircon	Zircon		76722	Luce Claims, Doe Peak, Coastal Range, Glenn Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
podchrome-00314	167	167	Middle Jurassic (167.86+0.32-0.40 Ma, CA-TIMS, zircon in plagiogranite)				Cr	76712	Black Diamond Mine, Black Diamond Group, Red Mountain, Coastal Range, Glenn Co., California, USA	Black Diamond	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00316	167	167	Middle Jurassic (167.86+0.32-0.40 Ma, CA-TIMS, zircon in plagiogranite)				Cr	76712	Black Diamond Mine, Black Diamond Group, Red Mountain, Coastal Range, Glenn Co., California, USA	Black Diamond No. 9	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00317	167	167	Middle Jurassic (167.86+0.32-0.40 Ma, CA-TIMS, zircon in plagiogranite)				Cr	76712	Black Diamond Mine, Black Diamond Group, Red Mountain, Coastal Range, Glenn Co., California, USA	Black Diamond No. 10	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00318	167	167	Middle Jurassic (167.86+0.32-0.40 Ma, CA-TIMS, zircon in plagiogranite)				Cr	76712	Black Diamond Mine, Black Diamond Group, Red Mountain, Coastal Range, Glenn Co., California, USA	Black Diamond No. 5	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00319	167	167	Middle Jurassic (167.86+0.32-0.40 Ma, CA-TIMS, zircon in plagiogranite)				Cr	76712	Black Diamond Mine, Black Diamond Group, Red Mountain, Coastal Range, Glenn Co., California, USA	Black Diamond No. 6-Loleta	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00315	167	167	Middle Jurassic (167.86+0.32-0.40 Ma, CA-TIMS, zircon in plagiogranite)				Cr	216963	Gray Eagle Mine (Grey Eagle Camp), Black Diamond Group, Red Mountain, Coastal Range, Glenn Co., California, USA	Grey Eagle	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...