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:
Modoc Co., California, USA

Oldest recorded age at locality: 23.8
Youngest recorded age at locality: 0.029

mindat Locality ID: 28447
mindat URL: http://www.mindat.org/loc-28447.html

Tectonic Settings:

Total number of sublocalities beneath "Modoc Co., California, USA": 167
Total number of bottom-level sublocalities: 127

Number of Child Localities: 7
Child Localities:
Alturas
Cascade Range
Cedarville
Goose Lake
Modoc Plateau
Surprise Valley
Warner Mts

Latitude: 41°35'7"N
Longitude: 120°28'42"W
Decimal Degree (lat, lon): 41.585277777778,-120.47833333333

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.

Amorphous	Calcite	Chalcopyrite	Clay	Copper	Corundum	Feldspar	Haxonite	Iron	Malachite
Mica	Natrolite	None	Not in a structural group	Perovskite	Pyrite	Quartz	Rocksalt	Smectite-vermiculite	Sphalerite
Spinel	Talc	Tridymite

Albite ()*	Anorthite ()*	Azurite ()*	Calcite ()*	Carlsbergite ()*
Chalcopyrite ()*	Cinnabar ()*	Cohenite ()*	Copper ()*	Cuprite ()*
Daubréelite ()*	Gold ()*	Graphite ()*	Haxonite ()*	Hematite ()*
Ice ()*	Iron ()*	Magnetite ()*	Malachite ()*	Metacinnabar ()*
Muscovite ()*	Natrolite ()*	Niter ()*	Nontronite ()*	Pyrite ()*
Quartz ()*	Schreibersite ()*	Silver ()*	Taenite ()*	Talc ()*
Troilite ()*

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: Ag Al Au C Ca Cr Cu Fe H Hg K Mg N Na Ni O P S Si

Elements from minerals reported directly at this locality: Al Ca H Na O Si

Structural Groups for minerals in this locality:
Amorphous Calcite Chalcopyrite Clay Copper Corundum Feldspar Haxonite Iron Malachite
Mica Natrolite None Not in a structural group Perovskite Pyrite Quartz Rocksalt Smectite-vermiculite Sphalerite
Spinel Talc Tridymite

31 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)			1	163877	8803
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	23.8	0.029	0		1036
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			2	163886,163961	5509
Calcite ()*	Calcite	Ca(CO₃)			5	163850,163876,163877,163878,163959	27770
Carlsbergite ()*	Rocksalt	CrN			1	163853	26
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	163890,163919	27198
Cinnabar ()*	None	HgS			4	163851,163894,163953,163961	2600
Cohenite ()*	Perovskite	CFe₃			1	163853	77
Copper ()*	Copper	Cu			1	163886	3846
Cuprite ()*	Not in a structural group	Cu₂O			1	163886	2970
Daubréelite ()*	Spinel	FeCr₂S₄			1	163853	157
Gold ()*	Copper	Au			55	163876,163877,163878,163882,163888,163892,163893,163896,163897,163898,163899,163900,163902,163904,163905,163906,163908,163909,163910,163911,163912,163913,163915,163916,163918,163919,163920,163921,163922,163923,163924,163925,163926,163927,163928,163929,163930,163931,163932,163933,163934,163935,163936,163937,163938,163939,163940,163942,163943,163944,163945,163948,163949,163951,163955	30554
Graphite ()*	None	C			1	163853	2812
Haxonite ()*	Haxonite	(Fe,Ni)₂₃C₆			1	163853	26
Hematite ()*	Corundum	Fe₂O₃			2	163894,163940	14640
Ice ()*	Amorphous Tridymite	H₂O			1	163826	59
Iron ()*	Iron	Fe			1	163853	1089
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	163851	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			2	163886,163961	12537
Metacinnabar ()*	Sphalerite	HgS			1	163851	255
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	163961	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	23.8	0.029	0		1236
Niter ()*	None	K(NO₃)			1	163850	181
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O			2	163802,163894	471
Pyrite ()*	Pyrite	FeS₂			4	163904,163912,163919,163961	39462
Quartz ()*	Quartz	SiO₂			57	163851,163854,163876,163877,163878,163892,163893,163894,163896,163897,163898,163899,163900,163902,163904,163905,163906,163908,163909,163910,163911,163912,163913,163915,163916,163918,163919,163920,163921,163922,163923,163924,163925,163926,163927,163928,163929,163930,163931,163932,163933,163934,163935,163936,163937,163938,163939,163940,163942,163943,163944,163945,163948,163949,163951,163955,163961	61156
Schreibersite ()*	None	(Fe,Ni)₃P			1	163853	374
Silver ()*	Copper	Ag			1	163932	5186
Taenite ()*	None	(Ni,Fe)			1	163853	703
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	163912	3337
Troilite ()*	None	FeS			1	163853	1044

12 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Source	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-50236	11.98	11.82	11.9±0.08		50236	297358	Unnamed Stone Deposit [4], Alturas, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52913	0.549	0.029	0.29+0.259/-0.261		52913	82916	Great Northern Railroad Deposit, East Sand Butte, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-22597	2.04	1.96	2±0.04	whole rock	22597	234443	Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-29680	8	2	5±3		29680	234443	Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-29681	2.04	1.96	2±0.04	whole rock	29681	234443	Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53068	0.549	0.029	0.29+0.259/-0.261		53068	82865	Boorman Pumice Products Company Mine, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53161	0.549	0.029	0.041+0.508/-0.012		53161	82865	Boorman Pumice Products Company Mine, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53123	0.549	0.029	0.29+0.259/-0.261		53123	82950	Raino Claim, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52900	0.549	0.029	0.29+0.259/-0.261		52900	82980	Volcolite Association Placer Claims, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53170	0.549	0.029	0.29+0.259/-0.261		53170	234439	Twin Sister, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52946	0.549	0.029	0.29+0.259/-0.261		52946	82890	Unnamed Cinder Pit [1], Twin Sister, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-29536	23.8	5.3	14.55±9.25		29536	234460	Sugar Hill, Warner Mts, Modoc Co., California, USA	NAVDAT	NAVDAT

All locality data graciously provided by mindat.org

All age data...