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:
Nevada Co., California, USA

Oldest recorded age at locality: 395
Youngest recorded age at locality: 0.5

mindat Locality ID: 14595
mindat URL: http://www.mindat.org/loc-14595.html

Tectonic Settings:

Total number of sublocalities beneath "Nevada Co., California, USA": 1346
Total number of bottom-level sublocalities: 1209

Number of Child Localities: 47
Child Localities:
Alleghany District (Forest District)
Ancestral Yuba River Deposits
Badger Hill District
Bear River Pines
Blue Gravel Mine
Blue Tent District
Cedar Ridge
Cherry Creek Acres
Chicago Park
Crystal Lake
Dew Drop
Dillon
Donner Lake
Emigrant Gap District
English Mountain District
Floriston
French Corral District
Gold-Quartz Mining Company Mine
Graniteville District (Eureka District)
Grass Valley District
Hirschdale
Hobart Mills
Hoyt Crossing
Indian Springs
Kingvale
Lake Of The Pines
Lowell Hill District
Maguire Property
Meadow Lake District
Mooney Flat
Moores Flat District
Nevada City District
North Bloomfield District
North Columbia District (Columbia Hill District)
North Hill Vein
North San Juan District
Rock Mountain
Rough-and-Ready District
Scotts Flat District
Snow Summit Mine
Spenceville District
Titner Mine
Truckee
Washington District (Omega District)
You Bet District
Yuba River Placers Area
Zinc House Mine

Latitude: 39°17'5"N
Longitude: 120°50'40"W
Decimal Degree (lat, lon): 39.284722222222,-120.84444444444

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.

Acanthite	Allophane	Amorphous	Andalusite	Apatite	Arsenic	Arsenopyrite	Baryte	Calcite	Chalcanthite
Chalcopyrite	Chlorite	Clay	Clinozoisite	Cobaltite	Copper	Coronadite	Corundum	Covellite	Cristobalite
Diamond	Epidote	Feldspar	Garnet	Gypsum	Humite	Kaolinite	Malachite	Marcasite	Melanterite
Mica	Molybdenite	Nickeline	None	Not in a structural group	Olivine	Perovskite	Pyrite	Pyroxene	Quartz
Rhodonite	Rocksalt	Rutile	Scheelite	Serpentine	Skutterudite	Smectite-vermiculite	Sphalerite	Spinel	Stibnite
Talc	Tetradymite	Tetrahedrite	Ullmannite	Wollastonite	Zircon

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 As Au Ba Bi C Ca Cl Co Cr Cu Fe H Hg Ir K Mg Mn Mo Na Ni O Os P Pb Pd Pt Rh Ru S Sb Se Si Te Ti U V W Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Allophane Amorphous Andalusite Apatite Arsenic Arsenopyrite Baryte Calcite Chalcanthite
Chalcopyrite Chlorite Clay Clinozoisite Cobaltite Copper Coronadite Corundum Covellite Cristobalite
Diamond Epidote Feldspar Garnet Gypsum Humite Kaolinite Malachite Marcasite Melanterite
Mica Molybdenite Nickeline None Not in a structural group Olivine Perovskite Pyrite Pyroxene Quartz
Rhodonite Rocksalt Rutile Scheelite Serpentine Skutterudite Smectite-vermiculite Sphalerite Spinel Stibnite
Talc Tetradymite Tetrahedrite Ullmannite Wollastonite Zircon

101 IMA Minerals at location:

Acanthite ()*	Albite ()*	Altaite ()*	Alunogen ()*	Anatase ()*
Andalusite ()*	Andradite ()*	Ankerite ()*	Anorthite ()*	Arsenic ()*
Arsenopyrite ()*	Azurite ()*	Baryte ()*	Bementite ()*	Bieberite ()*
Bismuth ()*	Bornite ()*	Calcite ()*	Carnotite ()*	Caryopilite ()*
Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*	Chromite ()*	Cinnabar ()*
Clinochlore ()*	Cobaltite ()*	Copper ()*	Covellite ()*	Cristobalite ()*
Cuprite ()*	Diamond ()*	Diopside ()*	Dolomite ()*	Enstatite ()*
Epidote ()*	Ferrimolybdite ()*	Freibergite ()*	Galena ()*	Gold ()*
Graphite ()*	Gypsum ()*	Hausmannite ()*	Hematite ()*	Hessite ()*
Hollingworthite ()*	Ilmenite ()*	Iridium ()*	Jacobsite ()*	Kaolinite ()*
Knorringite ()*	Kotulskite ()*	Laurite ()*	Magnesiochromite ()*	Magnesite ()*
Magnetite ()*	Malachite ()*	Manganite ()*	Marcasite ()*	Molybdenite ()*
Muscovite ()*	Naumannite ()*	Neotocite ()*	Nontronite ()*	Opal ()*
Osmium ()*	Palladium ()*	Petzite ()*	Platinum ()*	Powellite ()*
Pyrargyrite ()*	Pyrite ()*	Pyrolusite ()*	Pyromorphite ()*	Pyrophanite ()*
Pyrrhotite ()*	Quartz ()*	Redledgeite ()*	Rhodochrosite ()*	Rhodonite ()*
Rutheniridosmine ()*	Ruthenium ()*	Rutile ()*	Scheelite ()*	Scorodite ()*
Siderite ()*	Silver ()*	Skutterudite ()*	Sonolite ()*	Spessartine ()*
Sphalerite ()*	Stephanite ()*	Stibnite ()*	Talc ()*	Tephroite ()*
Tetradymite ()*	Tetrahedrite-(Zn) ()*	Uvarovite ()*	Vysotskite ()*	Wollastonite ()*
Zircon ()*

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
Acanthite ()*	Acanthite	Ag₂S			2	165608,165862	2793
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	165746	8803
Altaite ()*	Rocksalt	PbTe			4	165416,165941,166015,166016	489
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O			1	166015	272
Anatase ()*	Not in a structural group	TiO₂			1	166129	2162
Andalusite ()*	Andalusite	Al₂SiO₅	204	157	1	165358	1310
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			1	166035	1534
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	388	388	14	165358,165419,165424,165425,165434,165438,165441,165461,165494,165608,165627,165659,166425,166427	3092
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	204	157	1	165358	1036
Arsenic ()*	Arsenic	As			3	165371,165373,165416	379
Arsenopyrite ()*	Arsenopyrite	FeAsS	388	388	16	165146,165438,165441,165442,165621,165746,165784,165786,165800,165861,165865,165907,165919,166016,166148,166425	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	157	157	2	165851,166488	5509
Baryte ()*	Baryte	Ba(SO₄)			9	165745,166128,166308,166401,166411,166432,166436,166456,166458	11547
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈			1	166302	173
Bieberite ()*	Melanterite	Co(SO₄)·7H₂O			1	165786	50
Bismuth ()*	Arsenic	Bi			1	166015	1966
Bornite ()*	None	Cu₅FeS₄	170	170	9	165265,165746,165784,165793,166313,166316,166319,166322,166432	5516
Calcite ()*	Calcite	Ca(CO₃)	388	388	24	165373,165412,165419,165424,165425,165434,165435,165438,165441,165461,165471,165494,165498,165608,165627,165746,166013,166016,166035,166303,166306,166311,166401,166425	27770
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O			1	165276	1184
Caryopilite ()*	Clay Serpentine	Mn²⁺₃Si₂O₅(OH)₄			2	166302,166306	83
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O			1	166191	925
Chalcocite ()*	None	Cu₂S	170	170	3	166191,166215,166322	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	201	145	55	165214,165255,165264,165265,165267,165269,165277,165389,165419,165424,165425,165434,165437,165438,165441,165461,165491,165492,165494,165517,165546,165608,165627,165746,165754,165771,165793,165798,165799,165903,165904,165908,165926,165944,165962,165993,166016,166060,166077,166149,166190,166215,166237,166238,166248,166297,166311,166312,166313,166316,166318,166319,166320,166322,166412	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	388	157	45	165208,165217,165218,165219,165221,165223,165231,165240,165242,165243,165382,165384,165402,165405,165455,165469,165473,165482,165577,165604,165617,165681,165687,165690,165711,165717,165725,165880,165889,165895,165977,165990,166026,166038,166136,166222,166334,166342,166413,166415,166420,166421,166424,166425,166441	3902
Cinnabar ()*	None	HgS			1	166007	2600
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	388	388	1	166425	1756
Cobaltite ()*	Cobaltite	CoAsS			3	165771,165786,165794	966
Copper ()*	Copper	Cu	388	388	5	165304,165800,166007,166191,166425	3846
Covellite ()*	Covellite	CuS	170	170	1	166322	4165
Cristobalite ()*	Cristobalite	SiO₂			1	165248	453
Cuprite ()*	Not in a structural group	Cu₂O			2	166319,166412	2970
Diamond ()*	Diamond	C			1	165297	697
Diopside ()*	Pyroxene	CaMgSi₂O₆	157	157	1	165919	4135
Dolomite ()*	None	CaMg(CO₃)₂			3	165434,165494,166427	9895
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	157	157	1	165919	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			14	165178,165281,165389,165579,165715,165746,165775,165800,165814,165983,166095,166173,166311,166343	8173
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	157	157	3	165422,165783,165919	345
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂			1	165861	663
Galena ()*	Rocksalt	PbS	388	388	67	165192,165262,165310,165318,165347,165348,165389,165400,165412,165417,165419,165424,165425,165434,165437,165438,165440,165441,165444,165450,165461,165479,165491,165492,165494,165498,165608,165621,165627,165629,165746,165861,165865,165904,165907,165908,165925,165926,165962,165984,165992,165993,165999,166010,166015,166016,166035,166044,166057,166060,166065,166066,166071,166077,166146,166149,166237,166238,166248,166311,166346,166348,166362,166371,166406,166425,166432	24243
Gold ()*	Copper	Au	395	145	750	165144,165145,165146,165147,165149,165150,165151,165152,165156,165157,165159,165160,165161,165162,165164,165165,165169,165170,165175,165185,165187,165189,165192,165196,165203,165207,165215,165220,165222,165233,165238,165239,165244,165251,165252,165255,165258,165262,165266,165280,165281,165283,165284,165285,165287,165288,165289,165295,165296,165302,165303,165304,165307,165310,165311,165315,165316,165317,165318,165319,165320,165321,165322,165323,165324,165325,165326,165327,165328,165330,165331,165333,165334,165337,165338,165339,165340,165342,165344,165347,165348,165351,165352,165355,165360,165362,165363,165364,165365,165366,165368,165369,165371,165372,165373,165374,165376,165378,165379,165380,165383,165385,165386,165388,165389,165390,165391,165393,165399,165400,165401,165403,165404,165406,165407,165408,165409,165411,165412,165413,165414,165415,165416,165417,165418,165419,165420,165421,165422,165424,165425,165426,165430,165431,165432,165433,165434,165435,165436,165437,165438,165439,165440,165441,165443,165444,165445,165446,165448,165449,165450,165451,165452,165453,165454,165456,165457,165459,165460,165461,165462,165463,165464,165466,165468,165470,165471,165474,165475,165477,165478,165479,165480,165481,165483,165485,165486,165487,165488,165489,165491,165492,165493,165494,165495,165498,165499,165501,165502,165503,165504,165505,165506,165507,165509,165510,165511,165512,165513,165514,165515,165516,165518,165519,165520,165521,165522,165523,165524,165525,165526,165527,165528,165529,165530,165531,165532,165533,165534,165536,165537,165538,165539,165540,165542,165543,165544,165545,165546,165547,165548,165549,165550,165551,165553,165554,165555,165556,165557,165559,165560,165561,165562,165563,165564,165565,165566,165567,165568,165569,165570,165571,165574,165575,165578,165581,165582,165583,165585,165586,165588,165589,165590,165591,165592,165595,165596,165597,165598,165599,165600,165601,165602,165603,165608,165609,165610,165611,165612,165613,165614,165615,165616,165618,165619,165620,165621,165622,165623,165624,165625,165626,165627,165628,165629,165630,165632,165633,165634,165635,165636,165637,165638,165639,165640,165641,165642,165643,165644,165645,165646,165647,165649,165652,165654,165655,165656,165657,165658,165659,165660,165661,165663,165664,165665,165667,165668,165669,165670,165671,165675,165676,165677,165678,165680,165683,165684,165693,165695,165696,165705,165707,165715,165722,165723,165726,165729,165732,165746,165748,165753,165755,165756,165757,165760,165763,165764,165765,165766,165775,165776,165781,165782,165783,165784,165785,165786,165787,165788,165789,165790,165791,165792,165795,165796,165797,165800,165802,165804,165805,165814,165817,165823,165824,165825,165826,165827,165831,165832,165833,165834,165839,165840,165841,165848,165854,165855,165858,165859,165860,165862,165864,165865,165866,165868,165869,165874,165876,165877,165878,165879,165881,165883,165884,165885,165888,165891,165892,165893,165894,165896,165899,165900,165901,165903,165904,165906,165907,165908,165909,165910,165911,165912,165913,165915,165916,165917,165918,165923,165924,165925,165926,165928,165929,165930,165931,165933,165934,165935,165936,165939,165940,165941,165942,165943,165944,165945,165946,165947,165948,165950,165951,165952,165953,165955,165957,165958,165959,165960,165961,165962,165963,165964,165965,165968,165969,165971,165976,165978,165979,165980,165981,165982,165983,165984,165986,165987,165988,165989,165991,165992,165993,165994,165995,165996,165997,165998,165999,166000,166001,166002,166003,166004,166006,166007,166008,166009,166010,166011,166012,166013,166014,166015,166016,166017,166018,166019,166023,166024,166025,166027,166029,166030,166031,166032,166033,166035,166036,166037,166039,166040,166043,166044,166045,166046,166049,166050,166051,166052,166053,166054,166055,166056,166057,166058,166059,166060,166061,166063,166064,166065,166066,166068,166069,166070,166072,166074,166075,166076,166077,166078,166079,166080,166081,166082,166083,166085,166087,166089,166090,166091,166092,166094,166095,166099,166102,166103,166105,166110,166112,166114,166116,166126,166128,166132,166133,166134,166135,166136,166143,166144,166146,166147,166148,166149,166150,166151,166152,166153,166159,166160,166161,166162,166164,166167,166170,166171,166173,166178,166181,166182,166183,166186,166189,166190,166193,166196,166201,166203,166209,166211,166212,166215,166216,166218,166219,166220,166221,166224,166226,166227,166228,166230,166233,166234,166235,166236,166237,166238,166239,166241,166242,166243,166245,166247,166248,166251,166264,166270,166275,166277,166291,166292,166299,166300,166301,166311,166314,166317,166325,166330,166331,166338,166341,166343,166345,166346,166347,166348,166349,166350,166351,166352,166353,166354,166355,166356,166357,166359,166360,166361,166362,166364,166365,166368,166370,166371,166373,166374,166376,166377,166378,166379,166380,166382,166383,166384,166386,166387,166388,166389,166391,166392,166393,166394,166396,166399,166400,166401,166402,166403,166404,166405,166406,166410,166412,166414,166416,166417,166418,166419,166422,166423,166425,166427,166429,166430,166432,166433,166434,166435,166438,166440,166443,166445,166451,166453,166455,166460,166461,166463,166464,166473,166475,166476,166482,166483,166485,166486,166487	30554
Graphite ()*	None	C			2	166191,166409	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	204	157	2	165279,165358	6890
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄			2	166302,166306	350
Hematite ()*	Corundum	Fe₂O₃	204	204	6	165231,165239,165709,166114,166308,166412	14640
Hessite ()*	None	Ag₂Te			3	165371,165494,165904	804
Hollingworthite ()*	Ullmannite	RhAsS			1	166183	119
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			9	165178,165281,165715,165814,165983,166095,166136,166173,166343	5433
Iridium ()*	Copper	Ir			1	166183	162
Jacobsite ()*	Spinel	Mn²⁺Fe³⁺₂O₄			1	166306	172
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	166308	5591
Knorringite ()*	Garnet	Mg₃Cr₂(SiO₄)₃	388	388	1	166425	4
Kotulskite ()*	Nickeline	Pd(Te,Bi)_2-x (x ≈ 0.4)			1	166183	116
Laurite ()*	Pyrite	RuS₂			1	166183	226
Magnesiochromite ()*	Spinel	MgCr₂O₄	388	388	1	166425	311
Magnesite ()*	Calcite	Mg(CO₃)			4	165246,165494,165594,166034	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	204	204	18	165178,165231,165252,165267,165281,165358,165412,165579,165673,165706,165715,165746,165814,165983,166095,166136,166173,166343	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	157	157	10	165277,165709,165793,165798,165851,166297,166308,166313,166324,166488	12537
Manganite ()*	Rutile	Mn³⁺O(OH)			1	166306	770
Marcasite ()*	Marcasite	FeS₂	204	157	3	165265,165358,166322	5674
Molybdenite ()*	Molybdenite	MoS₂			9	165264,165269,165746,165772,165783,165904,165919,165984,166016	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	388	388	14	165358,165419,165424,165425,165434,165438,165441,165461,165464,165494,165608,165627,165746,166425	17380
Naumannite ()*	Not in a structural group	Ag₂Se			2	165371,165494	192
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)			1	166302	186
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O			1	165177	471
Opal ()*	Amorphous	SiO₂·nH₂O			1	165487	2994
Osmium ()*	None	Os			1	166183	169
Palladium ()*	Copper	Pd			1	166183	59
Petzite ()*	None	Ag₃AuTe₂			2	165371,165494	409
Platinum ()*	Copper	Pt			1	166243	485
Powellite ()*	Scheelite	Ca(MoO₄)			1	165746	494
Pyrargyrite ()*	None	Ag₃SbS₃			3	165608,165861,165862	1425
Pyrite ()*	Pyrite	FeS₂	388	145	109	165152,165178,165192,165255,165262,165265,165267,165269,165277,165281,165297,165304,165310,165318,165327,165340,165347,165371,165386,165389,165400,165412,165417,165419,165424,165425,165434,165437,165438,165440,165441,165444,165448,165450,165461,165464,165479,165491,165492,165494,165498,165546,165579,165608,165612,165621,165627,165629,165676,165709,165715,165764,165784,165786,165793,165798,165799,165814,165861,165865,165904,165907,165908,165925,165926,165944,165962,165983,165992,165993,165999,166010,166011,166015,166016,166044,166057,166060,166065,166066,166071,166077,166095,166146,166173,166190,166204,166205,166215,166237,166247,166248,166297,166301,166302,166311,166318,166319,166322,166324,166331,166343,166346,166348,166362,166371,166406,166425,166486	39462
Pyrolusite ()*	Rutile	MnO₂			3	165865,166306,166484	3106
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl			1	165348	1725
Pyrophanite ()*	Corundum	Mn²⁺TiO₃			1	166306	244
Pyrrhotite ()*	Nickeline	Fe₇S₈			11	165255,165264,165265,165267,165412,165517,165746,165861,165919,166035,166406	9056
Quartz ()*	Quartz	SiO₂	388	157	621	165144,165146,165149,165150,165151,165164,165165,165175,165187,165189,165192,165196,165203,165215,165220,165233,165238,165239,165255,165258,165262,165266,165269,165280,165281,165304,165310,165311,165315,165316,165317,165318,165319,165321,165322,165323,165324,165325,165326,165327,165328,165330,165331,165333,165338,165340,165342,165344,165347,165348,165351,165352,165355,165360,165362,165363,165364,165365,165366,165368,165369,165372,165373,165374,165376,165378,165379,165380,165383,165385,165386,165388,165389,165390,165391,165393,165397,165399,165401,165403,165404,165406,165407,165408,165409,165411,165412,165413,165414,165415,165417,165418,165419,165420,165421,165422,165424,165425,165430,165431,165432,165433,165434,165435,165436,165438,165439,165440,165441,165443,165444,165445,165446,165448,165449,165450,165451,165452,165453,165454,165456,165457,165459,165460,165461,165462,165463,165464,165466,165468,165470,165471,165474,165475,165477,165478,165479,165480,165481,165483,165485,165486,165487,165488,165489,165491,165492,165493,165494,165495,165498,165499,165501,165502,165503,165504,165505,165506,165507,165509,165510,165511,165512,165513,165514,165515,165518,165519,165520,165521,165522,165523,165524,165525,165526,165527,165528,165529,165530,165531,165532,165533,165534,165536,165537,165538,165539,165540,165542,165543,165544,165545,165546,165547,165548,165549,165550,165551,165553,165554,165555,165556,165557,165559,165560,165561,165562,165563,165564,165565,165566,165567,165568,165569,165570,165571,165574,165575,165578,165581,165582,165583,165585,165586,165588,165589,165590,165591,165592,165595,165596,165597,165598,165599,165600,165601,165602,165603,165608,165610,165611,165612,165613,165614,165615,165616,165618,165619,165620,165621,165622,165623,165624,165625,165626,165627,165628,165629,165630,165632,165633,165634,165635,165636,165637,165638,165639,165640,165641,165642,165643,165644,165645,165646,165647,165649,165652,165654,165655,165656,165657,165658,165659,165660,165661,165663,165664,165665,165667,165668,165669,165670,165671,165673,165675,165676,165677,165678,165680,165683,165684,165693,165695,165696,165705,165715,165726,165729,165746,165748,165753,165754,165755,165756,165757,165760,165763,165764,165765,165766,165770,165774,165775,165776,165781,165782,165784,165788,165789,165790,165791,165792,165793,165795,165796,165797,165804,165814,165823,165825,165827,165831,165832,165833,165839,165840,165854,165855,165859,165860,165861,165862,165864,165866,165868,165869,165874,165876,165878,165879,165883,165884,165885,165891,165892,165893,165894,165896,165899,165900,165903,165904,165906,165907,165908,165909,165910,165911,165912,165913,165915,165916,165917,165918,165925,165926,165928,165929,165930,165931,165933,165934,165935,165936,165939,165940,165942,165943,165946,165947,165948,165950,165951,165952,165953,165955,165957,165958,165959,165960,165961,165962,165964,165965,165976,165980,165981,165982,165983,165984,165986,165987,165989,165991,165992,165993,165994,165996,165998,165999,166000,166001,166002,166003,166004,166006,166008,166009,166010,166011,166012,166013,166014,166015,166016,166017,166018,166019,166024,166025,166027,166029,166030,166031,166032,166033,166035,166036,166040,166043,166044,166045,166049,166050,166051,166052,166054,166055,166056,166057,166058,166059,166060,166063,166064,166065,166066,166067,166068,166069,166070,166071,166072,166074,166075,166076,166077,166078,166079,166080,166081,166082,166083,166085,166087,166089,166090,166091,166092,166095,166110,166114,166116,166126,166144,166146,166147,166148,166149,166151,166152,166153,166160,166161,166162,166164,166173,166181,166186,166196,166201,166203,166204,166205,166209,166216,166218,166219,166220,166221,166224,166226,166227,166228,166230,166234,166235,166236,166237,166238,166239,166241,166242,166245,166247,166248,166253,166300,166303,166308,166311,166313,166314,166316,166317,166319,166321,166322,166331,166343,166345,166346,166347,166348,166349,166350,166351,166352,166353,166354,166355,166356,166357,166359,166360,166361,166362,166364,166365,166368,166370,166371,166373,166374,166377,166379,166382,166383,166384,166386,166387,166391,166392,166393,166394,166399,166400,166401,166402,166403,166404,166405,166406,166410,166412,166416,166418,166423,166425,166427,166429,166430,166432,166433,166434,166435,166438,166440,166443,166445,166486	61156
Redledgeite ()*	Coronadite	Ba(Ti₆Cr³⁺₂)O₁₆	388	388	1	166425	4
Rhodochrosite ()*	Calcite	Mn(CO₃)			2	166302,166306	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			5	166114,166302,166306,166480,166484	969
Rutheniridosmine ()*	None	(Ir,Os,Ru)			1	166183	47
Ruthenium ()*	None	Ru			1	166183	46
Rutile ()*	Rutile	TiO₂	388	388	1	166425	5614
Scheelite ()*	Scheelite	Ca(WO₄)			7	165416,165494,165499,165609,165629,165746,165862	4894
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			2	165784,165786	1153
Siderite ()*	Calcite	Fe(CO₃)			9	165178,165281,165715,165814,165983,166013,166095,166173,166343	6417
Silver ()*	Copper	Ag	201	145	3	166190,166215,166311	5186
Skutterudite ()*	Skutterudite Perovskite	CoAs₃			1	165746	531
Sonolite ()*	Humite	Mn²⁺₉(SiO₄)₄(OH)₂			1	166302	50
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			1	166302	1214
Sphalerite ()*	Sphalerite	ZnS			43	165419,165424,165425,165434,165437,165438,165440,165441,165444,165450,165461,165491,165492,165494,165498,165608,165627,165746,165754,165786,165800,165861,165865,165925,165926,165962,165984,165993,166010,166016,166057,166060,166071,166077,166146,166149,166215,166311,166346,166362,166371,166406,166432	21482
Stephanite ()*	None	Ag₅SbS₄			1	165608	586
Stibnite ()*	Stibnite	Sb₂S₃	388	388	4	165206,165819,165926,166425	3418
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	388	157	3	165494,165575,166425	3337
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)			2	166302,166306	240
Tetradymite ()*	Tetradymite	Bi₂Te₂S			1	166077	510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			4	165437,165862,165865,166076	5317
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	388	388	1	166425	212
Vysotskite ()*	None	PdS			1	166183	53
Wollastonite ()*	Wollastonite	CaSiO₃	204	157	2	165358,165862	1247
Zircon ()*	Zircon	Zr(SiO₄)			9	165178,165281,165715,165814,165919,165983,166095,166173,166343	5251

50 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
podchrome-00183	204	204	Upper Triassic-Lower Jurassic or older (204±2 Ma U-Pb zircon on leucodiorite)						Cr	84203	Half Chrome Mine (Limekin Mine; Wolf Mine), Dew Drop, Nevada Co., California, USA	Half Chrome	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00184	204	204	Upper Triassic-Lower Jurassic or older (204±2 Ma U-Pb zircon on leucodiorite)						Cr	84790	Sweet Ranch Occurrence, Dew Drop, Nevada Co., California, USA	Sweet Ranch	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00182	204	204	Upper Triassic-Lower Jurassic or older (204±2 Ma U-Pb zircon on leucodiorite)						Cr	84804	Thompson Ranch Occurrence, Dew Drop, Nevada Co., California, USA	Thompson Ranch	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00185	204	204	Upper Triassic-Lower Jurassic or older (204±2 Ma U-Pb zircon on leucodiorite)						Cr	84812	Tomkin Lease, Dew Drop, Nevada Co., California, USA	Tomkin Lease	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00175	157	157	Middle Jurassic						Cr	83807	Alta Hill Mine (Alta Hill; Alta Hill Chrome Mine), Grass Valley, Grass Valley District, Nevada Co., California, USA	Alta Hill	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00180	204	204	Upper Triassic-Lower Jurassic or older (204±2 Ma U-Pb zircon on leucodiorite)						Cr	84039	Dickerson Property, Grass Valley, Grass Valley District, Nevada Co., California, USA	Dickerson Property	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00177	157	157	Middle Jurassic						Cr	84124	Geach Property, Grass Valley, Grass Valley District, Nevada Co., California, USA	Geach	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00174	157	157	Middle Jurassic						Cr	84231	Holseman Mine, Grass Valley, Grass Valley District, Nevada Co., California, USA	Holseman	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00176	157	157	Middle Jurassic						Cr	84753	Spring Hill Occurrence, Grass Valley, Grass Valley District, Nevada Co., California, USA	Spring Hill	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00181	204	204	Upper Triassic-Lower Jurassic or older (204±2 Ma U-Pb zircon on leucodiorite)						Cr	83896	Bowden Prospect, La Barr Meadows, Grass Valley District, Nevada Co., California, USA	Bowden	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00173	157	157	Middle Jurassic						Cr	83973	Codd Prospects, Newtown, Grass Valley District, Nevada Co., California, USA	Codd	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00172	157	157	Middle Jurassic						Cr	84455	Mulcahy Prospect, Newtown, Grass Valley District, Nevada Co., California, USA	Mulcahy	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00170	157	157	Middle Jurassic						Cr	84595	Porter Property, Newtown, Grass Valley District, Nevada Co., California, USA	Porter Property	Moiser et al. (2012)	USGSSIR2012_5157
NAVDAT-11241	3.08	2.52	2.8±0.28			whole rock	11241			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-11243	3.08	2.52	2.8±0.28			whole rock	11243			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-11247	3.08	2.52	2.8±0.28			whole rock	11247			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-11254	3.08	2.52	2.8±0.28			whole rock	11254			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-11255	3.08	2.52	2.8±0.28			whole rock	11255			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-11272	3.08	2.52	2.8±0.28			whole rock	11272			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-11305	0.73	0.5	0.62+0.11/-0.12			whole rock	11305			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-11306	0.73	0.5	0.62+0.11/-0.12			whole rock	11306			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
NAVDAT-18390	2.2	1.8	2±0.2			whole rock	18390			269243	Hirschdale, Nevada Co., California, USA		NAVDAT	NAVDAT
USGS-U-Th-Pb-02549_206_238	146	146	146	206_238	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02549_207_206	157	157	157	207_206	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02549_207_235	147	147	147	207_235	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02550_206_238	157	157	157	206_238	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02550_207_206	162	162	162	207_206	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02550_207_235	157	157	157	207_235	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02551_206_238	159	159	159	206_238	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02551_207_206	161	161	161	207_206	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02551_207_235	159	159	159	207_235	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02552_206_238	157	157	157	206_238	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02552_207_206	161	161	161	207_206	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02552_207_235	157	157	157	207_235	age of intrusion	zircon		Zircon		269197	Hoyt Crossing, Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
podchrome-00171	157	157	Middle Jurassic						Cr	84726	Snyder Property, Glenbrook, Nevada City District, Nevada Co., California, USA	Snyder Property	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00169	157	157	Middle Jurassic						Cr	84069	Eden Claim, Indian Flat, Nevada City District, Nevada Co., California, USA	Eden	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00168	157	157	Middle Jurassic						Cr	84405	Merrifield Property, Nevada City, Nevada City District, Nevada Co., California, USA	Merrifield Property	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00167	157	157	Middle Jurassic						Cr	84710	Sherman Ranch Occurrence (Hoeft Lease [1918]), Nevada City, Nevada City District, Nevada Co., California, USA	Sherman Ranch	Moiser et al. (2012)	USGSSIR2012_5157
vms-01025	201	145	Jurassic							83894	Boss Mine (Boss Con Qtz.; San Juan Mine), Sweetland, North San Juan District, Nevada Co., California, USA	Boss	Moiser et al. (2009)	USGSOFR2009-1034
podchrome-00179	204	204	Upper Triassic-Lower Jurassic or older (204±2 Ma U-Pb zircon on leucodiorite)						Cr	84048	Dorsey And Ridge Claims, Rough And Ready, Rough-and-Ready District, Nevada Co., California, USA	Dorsey and Ridge	Moiser et al. (2012)	USGSSIR2012_5157
vms-01042	170	170	Middle-Upper Jurassic						S	84746	Spenceville Mine (Spense Mineral; San Francisco Copper Company; Copper Claim; Imperial Paint And Copper Co. Property), Spenceville, Spenceville District, Nevada Co., California, USA	Spenceville	Moiser et al. (2009)	USGSOFR2009_1034
podchrome-00166	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)						Cr	84529	Olsen Prospect, Alpha, Washington District (Omega District), Nevada Co., California, USA	Olsen	Moiser et al. (2012)	USGSSIR2012_5157
USGS-U-Th-Pb-02228_206_238	380	380	380	206_238		zircon		Zircon		84787	Superior Placer Mine, Omega, Washington District (Omega District), Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02228_207_206	395	395	395	207_206		zircon		Zircon		84787	Superior Placer Mine, Omega, Washington District (Omega District), Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02228_207_235	381	381	381	207_235		zircon		Zircon		84787	Superior Placer Mine, Omega, Washington District (Omega District), Nevada Co., California, USA		USGS-U-Th-Pb	USGS-U-Th-Pb
podchrome-00162	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)						Cr	84135	Gillis Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	Gillis	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00163	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)						Cr	84439	Moscatelli No. 1 Claim (Pete Moscatelli Chrome Occurrence), Washington, Washington District (Omega District), Nevada Co., California, USA	Moscatelli No. 1	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00161	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)						Cr	84440	Moscatelli No. 2 Property (Lucky Bluff Claim [WWI]; Lucky Friday Claim), Washington, Washington District (Omega District), Nevada Co., California, USA	Moscatelli No. 2	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00165	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)						Cr	3515	Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	Red Ledge	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00164	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)						Cr	84824	Turtledove Chrome Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	Turtledove Chrome	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL
R070714	Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	https://rruff.info/R070714

All locality data graciously provided by mindat.org

All age data...