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:
East Belt, Calaveras Co., California, USA

Oldest recorded age at locality: 300
Youngest recorded age at locality: 100

mindat Locality ID: 215472
mindat URL: http://www.mindat.org/loc-215472.html

Tectonic Settings:

Total number of sublocalities beneath "East Belt, Calaveras Co., California, USA": 777
Total number of bottom-level sublocalities: 733

Number of Child Localities: 14
Child Localities:
Blue Mountain District
Calaveritas District
Collierville District
Dorrington
Eastland Gray Development Company Placer
Eureka Mine [3]
Mokelumne Hill District
Mountain Ranch District
Murphys District (Esmeralda District; Sperry District)
Railroad Flat District
Red Apple
Rich Gulch District
Tiger Creek Reservoir Dam
West Point District

Latitude: 38°16'31"N
Longitude: 120°30'20"W
Decimal Degree (lat, lon): 38.275277777778,-120.50555555556

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	Amphibole	Aragonite	Arsenic	Arsenopyrite	Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite
Copper	Corundum	Epidote	Feldspar	Garnet	Marcasite	Mica	Nickeline	None	Not in a structural group
Perovskite	Pyrite	Quartz	Rhodonite	Rocksalt	Serpentine	Skutterudite	Sphalerite	Spinel	Stibnite
Talc	Tetradymite	Tetrahedrite	Tourmaline	Vivianite

Alunite ()*	Andradite ()*	Ankerite ()*	Antigorite ()*	Antimony ()*
Aragonite ()*	Arsenopyrite ()*	Azurite ()*	Baryte ()*	Bornite ()*
Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Chromite ()*	Chrysotile ()*
Cinnabar ()*	Dolomite ()*	Epidote ()*	Erythrite ()*	Freibergite ()*
Galena ()*	Glaucophane ()*	Gold ()*	Graphite ()*	Hematite ()*
Hessite ()*	Jamesonite ()*	Magnesiochromite ()*	Magnetite ()*	Marcasite ()*
Muscovite ()*	Opal ()*	Osmium ()*	Petzite ()*	Platinum ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rhodonite ()*	Sanidine ()*
Schorl ()*	Skutterudite ()*	Spessartine ()*	Sphalerite ()*	Stibnite ()*
Talc ()*	Tetradymite ()*	Tetrahedrite-(Zn) ()*

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 B Ba Bi C Ca Co Cr Cu Fe H Hg K Mg Mn Na O Os Pb Pt S Sb Si Te Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Amphibole Aragonite Arsenic Arsenopyrite Baryte Calcite Chalcopyrite Clay Clinozoisite
Copper Corundum Epidote Feldspar Garnet Marcasite Mica Nickeline None Not in a structural group
Perovskite Pyrite Quartz Rhodonite Rocksalt Serpentine Skutterudite Sphalerite Spinel Stibnite
Talc Tetradymite Tetrahedrite Tourmaline Vivianite

48 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
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	100	100	1	152505	966
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	100	100	1	152585	1534
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	100	100	1	152259	3092
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	100	100	2	152417,152422	708
Antimony ()*	Arsenic	Sb	100	100	1	152365	363
Aragonite ()*	Aragonite	Ca(CO₃)	100	100	1	152432	3250
Arsenopyrite ()*	Arsenopyrite	FeAsS	100	100	5	151967,152001,152288,152365,152369	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	100	100	1	152423	5509
Baryte ()*	Baryte	Ba(SO₄)	100	100	1	152365	11547
Bornite ()*	None	Cu₅FeS₄	100	100	1	152423	5516
Calcite ()*	Calcite	Ca(CO₃)	100	100	6	152153,152259,152382,152451,152501,152705	27770
Chalcocite ()*	None	Cu₂S	100	100	1	152365	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	100	100	11	151967,152293,152365,152451,152459,152600,152625,152671,152677,152707,152716	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	300	100	5	152422,152426,152435,152509,152527	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	100	100	2	152222,152241	951
Cinnabar ()*	None	HgS	100	100	1	152388	2600
Dolomite ()*	None	CaMg(CO₃)₂	100	100	1	152388	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	100	100	1	152327	8173
Erythrite ()*	Vivianite	Co₃(AsO₄)₂·8H₂O	100	100	3	152001,152288,152369	814
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	100	100	1	152028	663
Galena ()*	Rocksalt	PbS	100	100	33	151966,151980,152001,152085,152100,152118,152178,152243,152288,152293,152365,152375,152388,152415,152429,152451,152459,152475,152499,152520,152596,152600,152632,152639,152642,152646,152671,152677,152678,152705,152707,152716,152718	24243
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	100	100	1	152365	286
Gold ()*	Copper	Au	170	100	559	151960,151961,151963,151965,151966,151967,151969,151970,151973,151975,151978,151980,151981,151984,151985,151986,151987,151988,151989,151990,151991,151992,151994,151995,151996,151997,151999,152000,152001,152002,152004,152005,152007,152009,152010,152015,152017,152018,152020,152023,152026,152028,152029,152030,152035,152036,152037,152038,152039,152040,152043,152044,152045,152048,152049,152050,152051,152052,152053,152055,152056,152058,152059,152060,152063,152064,152065,152066,152067,152069,152070,152071,152073,152074,152075,152076,152078,152082,152083,152084,152085,152086,152087,152088,152090,152092,152093,152094,152095,152096,152097,152098,152099,152101,152103,152104,152105,152106,152108,152109,152110,152111,152113,152114,152115,152116,152117,152118,152119,152120,152121,152123,152124,152125,152126,152127,152128,152129,152130,152133,152134,152135,152136,152139,152140,152141,152142,152147,152150,152155,152157,152158,152159,152160,152161,152162,152163,152164,152165,152167,152168,152169,152170,152171,152172,152173,152174,152175,152176,152177,152178,152179,152180,152181,152182,152183,152184,152185,152186,152187,152188,152189,152191,152192,152193,152194,152197,152198,152199,152202,152203,152206,152207,152208,152210,152211,152212,152213,152214,152215,152216,152217,152218,152220,152221,152223,152224,152225,152226,152228,152229,152230,152231,152232,152233,152234,152235,152236,152243,152244,152246,152247,152248,152249,152250,152251,152252,152253,152254,152255,152256,152257,152258,152259,152261,152262,152264,152265,152266,152267,152268,152269,152270,152271,152272,152273,152274,152275,152276,152278,152279,152280,152282,152283,152285,152287,152288,152289,152290,152291,152293,152294,152295,152298,152299,152300,152305,152306,152307,152308,152309,152310,152311,152312,152313,152314,152315,152316,152317,152318,152320,152321,152323,152325,152329,152330,152331,152332,152333,152334,152335,152336,152337,152338,152339,152340,152341,152343,152344,152346,152348,152350,152352,152353,152354,152355,152357,152359,152360,152361,152362,152364,152365,152366,152370,152371,152372,152374,152375,152376,152379,152380,152385,152386,152387,152388,152390,152391,152392,152393,152394,152395,152396,152397,152398,152400,152401,152403,152404,152405,152406,152407,152408,152409,152411,152412,152413,152415,152416,152419,152420,152421,152424,152427,152428,152429,152430,152437,152439,152440,152446,152447,152448,152449,152450,152453,152454,152455,152456,152457,152458,152459,152461,152463,152464,152465,152467,152468,152469,152471,152472,152473,152474,152475,152477,152478,152479,152480,152481,152484,152486,152487,152489,152491,152492,152494,152496,152497,152498,152499,152500,152501,152502,152504,152506,152507,152508,152511,152512,152513,152514,152515,152516,152517,152518,152519,152520,152521,152524,152525,152526,152528,152529,152530,152531,152532,152534,152535,152536,152537,152538,152539,152540,152543,152544,152545,152546,152547,152548,152549,152552,152553,152558,152560,152562,152564,152565,152567,152568,152571,152572,152573,152574,152577,152578,152579,152580,152581,152582,152583,152584,152585,152586,152590,152591,152592,152597,152598,152599,152600,152602,152603,152604,152605,152606,152607,152608,152609,152612,152613,152614,152615,152618,152619,152620,152621,152624,152625,152626,152627,152628,152630,152631,152632,152633,152634,152635,152636,152637,152638,152639,152640,152641,152642,152643,152645,152646,152647,152648,152649,152651,152652,152653,152654,152655,152656,152657,152658,152659,152660,152661,152663,152664,152668,152670,152671,152672,152674,152675,152676,152677,152678,152679,152680,152681,152682,152683,152684,152685,152687,152688,152689,152690,152691,152692,152693,152694,152695,152697,152698,152699,152700,152701,152702,152705,152706,152707,152709,152710,152711,152712,152713,152714,152717,152718,152719,152720,152721,152722,152724,152725,152726,152727,152728,152729,152730,152731,152732,152733	30554
Graphite ()*	None	C	100	100	4	152160,152293,152308,152498	2812
Hematite ()*	Corundum	Fe₂O₃	100	100	1	152358	14640
Hessite ()*	None	Ag₂Te	100	100	1	152365	804
Jamesonite ()*	None	Pb₄FeSb₆S₁₄	100	100	1	152082	784
Magnesiochromite ()*	Spinel	MgCr₂O₄	300	300	1	152378	311
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	100	100	1	152417	14899
Marcasite ()*	Marcasite	FeS₂	170	100	2	152667,152716	5674
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	100	100	5	152102,152154,152204,152259,152351	17380
Opal ()*	Amorphous	SiO₂·nH₂O	100	100	4	152092,152093,152094,152117	2994
Osmium ()*	None	Os	100	100	1	152088	169
Petzite ()*	None	Ag₃AuTe₂	100	100	1	152365	409
Platinum ()*	Copper	Pt	100	100	1	152088	485
Pyrite ()*	Pyrite	FeS₂	100	100	29	151967,151980,152001,152085,152088,152165,152168,152228,152259,152288,152293,152365,152375,152415,152429,152451,152459,152499,152520,152596,152600,152632,152642,152646,152671,152677,152707,152716,152718	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	100	100	7	152100,152625,152643,152667,152675,152691,152716	9056
Quartz ()*	Quartz	SiO₂	170	100	407	151960,151963,151965,151966,151967,151969,151975,151978,151980,151994,152001,152002,152005,152015,152017,152026,152028,152035,152037,152038,152039,152040,152053,152065,152067,152070,152071,152075,152076,152082,152083,152085,152089,152092,152093,152094,152097,152100,152105,152106,152108,152109,152110,152111,152113,152114,152115,152116,152118,152119,152120,152121,152123,152125,152127,152129,152130,152132,152135,152139,152140,152141,152142,152145,152148,152150,152155,152158,152159,152160,152161,152162,152163,152165,152167,152169,152170,152171,152172,152173,152175,152177,152178,152180,152181,152183,152186,152187,152189,152192,152193,152194,152197,152199,152202,152203,152207,152208,152210,152211,152212,152213,152214,152215,152216,152217,152221,152223,152224,152225,152226,152228,152229,152230,152231,152232,152233,152234,152235,152243,152244,152248,152250,152251,152252,152253,152254,152255,152256,152257,152258,152259,152261,152262,152264,152265,152266,152268,152273,152274,152275,152276,152278,152279,152282,152283,152287,152288,152291,152293,152298,152299,152300,152305,152307,152308,152309,152310,152311,152313,152314,152315,152316,152317,152318,152321,152323,152330,152331,152332,152333,152334,152335,152336,152337,152338,152339,152340,152341,152343,152344,152346,152348,152350,152352,152353,152354,152355,152357,152360,152365,152366,152370,152371,152372,152374,152375,152376,152379,152380,152385,152386,152390,152391,152392,152393,152394,152395,152396,152397,152400,152403,152404,152405,152406,152407,152408,152409,152411,152412,152413,152415,152416,152419,152420,152421,152424,152427,152429,152436,152439,152440,152446,152449,152450,152451,152453,152454,152459,152461,152463,152464,152465,152467,152468,152469,152471,152472,152473,152474,152475,152478,152479,152480,152481,152484,152486,152487,152489,152491,152492,152496,152497,152500,152501,152502,152504,152506,152507,152511,152517,152518,152519,152521,152525,152529,152530,152532,152534,152535,152536,152537,152538,152543,152544,152545,152546,152547,152548,152549,152552,152562,152564,152565,152567,152568,152571,152572,152574,152579,152581,152582,152583,152584,152585,152586,152591,152596,152598,152599,152600,152602,152603,152605,152606,152609,152612,152613,152614,152615,152619,152621,152624,152625,152626,152627,152628,152630,152631,152632,152633,152634,152635,152636,152637,152638,152639,152640,152641,152642,152643,152645,152646,152647,152648,152649,152651,152653,152656,152657,152658,152659,152660,152661,152663,152664,152667,152668,152671,152672,152675,152677,152678,152681,152682,152683,152684,152685,152687,152688,152689,152690,152691,152692,152694,152695,152697,152698,152699,152700,152701,152702,152705,152706,152707,152709,152710,152711,152712,152713,152714,152716,152718,152719,152720,152721,152722,152724,152725,152726,152727,152728,152729,152730,152731,152732,152733	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	100	100	3	152292,152368,152369	969
Sanidine ()*	Feldspar	K(AlSi₃O₈)	100	100	1	152107	598
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	100	100	1	152082	2705
Skutterudite ()*	Skutterudite Perovskite	CoAs₃	100	100	2	152001,152288	531
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	100	100	6	152292,152296,152302,152351,152368,152369	1214
Sphalerite ()*	Sphalerite	ZnS	100	100	11	151966,151980,152001,152085,152288,152365,152375,152520,152671,152677,152716	21482
Stibnite ()*	Stibnite	Sb₂S₃	100	100	5	152082,152137,152365,152388,152600	3418
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	100	100	10	152165,152240,152259,152314,152402,152509,152527,152594,152642,152678	3337
Tetradymite ()*	Tetradymite	Bi₂Te₂S	100	100	1	152375	510
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	100	100	3	152388,152525,152600	5317

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age from other Locality	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
Mo-00156	100	100		Yes	Molybdenite	Mo	16293	Calaveras Co., California, USA	Calaveras County	Brock (1972)	10.1130/0016-7606(1972)83[3391:GOGHSC]2.0.CO;2	GSAB83_3391
podchrome-00082	300	300	Upper Paleozoic			Cr	75545	Madrid Mine (True Blue Mine; Genochio Mine; Medrid Mine), Murphys, Murphys District (Esmeralda District; Sperry District), East Belt, Calaveras Co., California, USA	Madrid	Moiser et al. (2012)		USGSSIR2012_5157
podchrome-00083	300	300	Upper Paleozoic			Cr	76160	Valenti Claim, Soapstone Hill, Murphys, Murphys District (Esmeralda District; Sperry District), East Belt, Calaveras Co., California, USA	Valenti Claim	Moiser et al. (2012)		USGSSIR2012_5157
vms-01039	170	170	Jurassic	Yes		S	9552	Penn Mine (Happy Jack; West Constellation; Satellite; Big Satellite; Hinkcley; Blue Jay; Meteor; Hecla; Little Satellite; Copper Hill; Penn Chemical Works; Campo Seco), Campo Seco, Campo Seco District, Foothill Copper Belt, Calaveras Co., California, USA	Penn	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...