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:
Hayden Hill [town], Hayden Hill District, Lassen Co., California, USA

mindat Locality ID: 234860
mindat URL: http://www.mindat.org/loc-234860.html

Tectonic Settings:

Total number of sublocalities beneath "Hayden Hill [town], Hayden Hill District, Lassen Co., California, USA": 20
Total number of bottom-level sublocalities: 19

Number of Child Localities: 5
Child Localities:
Hayden Hill [summit]
Unnamed Au Occurrence [17]
Unnamed Au Occurrence [3]
Unnamed Magnesite Occurrence [1]
Unnamed Mn Occurrence [1]

Latitude: 40°59'29"N
Longitude: 120°52'22"W
Decimal Degree (lat, lon): 40.991388888889,-120.87277777778

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	Arsenopyrite	Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Diaspore
Epidote	Feldspar	Marcasite	Mica	Nickeline	None	Pyrite	Quartz	Rocksalt	Rutile
Smectite-vermiculite	Sphalerite

Acanthite ()*	Albite ()*	Arsenopyrite ()*	Baryte ()*	Calcite ()*
Chalcopyrite ()*	Cinnabar ()*	Epidote ()*	Galena ()*	Goethite ()*
Gold ()*	Hematite ()*	Magnesite ()*	Marcasite ()*	Montmorillonite ()*
Muscovite ()*	Pyrite ()*	Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*
Sphalerite ()*

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 C Ca Cu Fe H Hg K Mg Mn Na O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Arsenopyrite Baryte Calcite Chalcopyrite Clay Clinozoisite Copper Corundum Diaspore
Epidote Feldspar Marcasite Mica Nickeline None Pyrite Quartz Rocksalt Rutile
Smectite-vermiculite Sphalerite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	1	160948	2793
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	160948	8803
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	160948	9052
Baryte ()*	Baryte	Ba(SO₄)	1	160948	11547
Calcite ()*	Calcite	Ca(CO₃)	1	160948	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	160948	27198
Cinnabar ()*	None	HgS	1	160948	2600
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	160948	8173
Galena ()*	Rocksalt	PbS	1	160948	24243
Goethite ()*	Diaspore	FeO(OH)	1	160948	7437
Gold ()*	Copper	Au	8	160940,160941,160943,160946,160948,160949,160950,160951	30554
Hematite ()*	Corundum	Fe₂O₃	1	160948	14640
Magnesite ()*	Calcite	Mg(CO₃)	1	160957	1487
Marcasite ()*	Marcasite	FeS₂	1	160948	5674
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	160948	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	160948	17380
Pyrite ()*	Pyrite	FeS₂	2	160948,160950	39462
Pyrolusite ()*	Rutile	MnO₂	2	160946,160948	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	160948	9056
Quartz ()*	Quartz	SiO₂	5	160941,160942,160946,160948,160950	61156
Sphalerite ()*	Sphalerite	ZnS	1	160948	21482

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...