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:
Island Mountain, Coastal Range, Trinity Co., California, USA

Oldest recorded age at locality: 108
Youngest recorded age at locality: 108

mindat Locality ID: 242206
mindat URL: http://www.mindat.org/loc-242206.html

Tectonic Settings:

Total number of sublocalities beneath "Island Mountain, Coastal Range, Trinity Co., California, USA": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Moose Peak
Northwestern Pacific Railroad Company Property

Latitude: 40°1'14"N
Longitude: 123°29'12"W
Decimal Degree (lat, lon): 40.020555555556,-123.48666666667

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.

Arsenolite	Arsenopyrite	Calcite	Chalcanthite	Chalcopyrite	Copiapite	Copper	Coquimbite	Cubanite	Epsomite
Gypsum	Halotrichite	Kieserite	Malachite	Melanterite	Nickeline	None	Not in a structural group	Orpiment	Pyrite
Quartz	Römerite	Sphalerite	Wurtzite

Aluminocopiapite ()*	Arsenolite ()*	Arsenopyrite ()*	Azurite ()*	Bieberite ()*
Bornite ()*	Calcite ()*	Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*
Copiapite ()*	Copper ()*	Coquimbite ()*	Cubanite ()*	Fibroferrite ()*
Goslarite ()*	Gypsum ()*	Halotrichite ()*	Kornelite ()*	Malachite ()*
Melanterite ()*	Morenosite ()*	Orpiment ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Römerite ()*	Sphalerite ()*	Szomolnokite ()*

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 As C Ca Co Cu Fe H Mg Ni O S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenolite Arsenopyrite Calcite Chalcanthite Chalcopyrite Copiapite Copper Coquimbite Cubanite Epsomite
Gypsum Halotrichite Kieserite Malachite Melanterite Nickeline None Not in a structural group Orpiment Pyrite
Quartz Römerite Sphalerite Wurtzite

29 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
Aluminocopiapite ()*	Copiapite	(Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O	108	108	1	180862	50
Arsenolite ()*	Arsenolite	As₂O₃	108	108	1	180862	231
Arsenopyrite ()*	Arsenopyrite	FeAsS	108	108	1	180862	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	108	108	1	180862	5509
Bieberite ()*	Melanterite	Co(SO₄)·7H₂O	108	108	1	180862	50
Bornite ()*	None	Cu₅FeS₄	108	108	1	180862	5516
Calcite ()*	Calcite	Ca(CO₃)	108	108	1	180862	27770
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	108	108	1	180862	925
Chalcocite ()*	None	Cu₂S	108	108	1	180862	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	108	108	1	180862	27198
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	108	108	1	180862	382
Copper ()*	Copper	Cu	108	108	1	180862	3846
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	108	108	1	180862	136
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃	108	108	1	180862	802
Fibroferrite ()*	Not in a structural group	Fe³⁺(SO₄)(OH)·5H₂O	108	108	1	180862	107
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O	108	108	1	180862	188
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	108	108	1	180862	6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	108	108	1	180862	409
Kornelite ()*	Not in a structural group	Fe³⁺₂(SO₄)₃·7H₂O (?)	108	108	1	180862	21
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	108	108	1	180862	12537
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	108	108	1	180862	915
Morenosite ()*	Epsomite	Ni(SO₄)·7H₂O	108	108	1	180862	84
Orpiment ()*	Orpiment	As₂S₃	108	108	1	180862	511
Pyrite ()*	Pyrite	FeS₂	108	108	1	180862	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	108	108	1	180862	9056
Quartz ()*	Quartz	SiO₂	108	108	1	180862	61156
Römerite ()*	Römerite	Fe²⁺Fe³⁺₂(SO₄)₄·14H₂O	108	108	1	180862	115
Sphalerite ()*	Sphalerite	ZnS	108	108	1	180862	21482
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	108	108	1	180862	139

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
	vms-01032	108	108	Early to Middle Cretaceous										S	12058	Island Mountain Mine (Dahrman Group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun), Moose Peak, Island Mountain, Coastal Range, Trinity Co., California, USA	Island Mountain	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...