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:
Blue Jay Mine (Blue Jay Claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity Co., California, USA

mindat Locality ID: 96151
mindat URL: http://www.mindat.org/loc-96151.html

Tectonic Settings:

Total number of sublocalities beneath "Blue Jay Mine (Blue Jay Claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Coastal Range, Trinity Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 40°6'45"N
Longitude: 123°14'42"W
Decimal Degree (lat, lon): 40.1125,-123.245

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.

Allophane	Baryte	Braunite	Calcite	Clay	Copper	Malachite	None	Not in a structural group	Quartz
Ramsdellite	Rhodonite	Rutile	Spinel

Baryte ()*	Bementite ()*	Birnessite ()*	Braunite ()*	Chalcocite ()*
Copper ()*	Cuprite ()*	Hausmannite ()*	Inesite ()*	Malachite ()*
Neotocite ()*	Nsutite ()*	Pyrolusite ()*	Quartz ()*	Rhodochrosite ()*
Rhodonite ()*	Todorokite ()*	Vernadite ()*

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 Ba C Ca Cu Fe H K Mg Mn Na O S Si Sr

Elements from minerals reported directly at this locality: Al Ba C Ca Cu Fe H K Mg Mn Na O S Si Sr

Structural Groups for minerals in this locality:
Allophane Baryte Braunite Calcite Clay Copper Malachite None Not in a structural group Quartz
Ramsdellite Rhodonite Rutile Spinel

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	11547
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈	173
Birnessite ()*	None	(Na,Ca,K)_0.6(Mn⁴⁺,Mn³⁺)₂O₄·1.5H₂O	178
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	483
Chalcocite ()*	None	Cu₂S	5707
Copper ()*	Copper	Cu	3846
Cuprite ()*	Not in a structural group	Cu₂O	2970
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	350
Inesite ()*	None	Ca₂Mn²⁺₇Si₁₀O₂₈(OH)₂·5H₂O	50
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	12537
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	186
Nsutite ()*	Ramsdellite	Mn²⁺_xMn⁴⁺_1-xO_2-2x(OH)_2x	121
Pyrolusite ()*	Rutile	MnO₂	3106
Quartz ()*	Quartz	SiO₂	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	969
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	433
Vernadite ()*	None	(Mn,Fe,Ca,Na)(O,OH)₂·nH₂O	65

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...