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:
Crockley Pegmatite, Republic, Marquette Co., Michigan, USA

mindat Locality ID: 125433
mindat URL: http://www.mindat.org/loc-125433.html

Tectonic Settings:

Total number of sublocalities beneath "Crockley Pegmatite, Republic, Marquette Co., Michigan, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Aeschynite	Allanite	Bastnäsite	Calcite	Clay	Columbite	Epidote	Feldspar	Fluorite	Mica
Molybdenite	Nickeline	None	Quartz	Rocksalt	Titanite	Zircon

Aeschynite-(Y) ()*	Albite ()*	Allanite-(Ce) ()*	Bastnäsite-(Y) ()*	Bornite ()*
Calcite ()*	Columbite-(Fe) ()*	Euxenite-(Y) ()*	Fluorite ()*	Galena ()*
Microcline ()*	Molybdenite ()*	Muscovite ()*	Pyrrhotite ()*	Quartz ()*
Samarskite-(Y) ()*	Thorite ()*	Titanite ()*	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: Al C Ca Ce Cu F Fe H K Mo Na Nb O Pb S Si Ta Th Ti U Y Zr

Elements from minerals reported directly at this locality: Al C Ca Ce Cu F Fe H K Ln Mo Na Nb O Pb S Si Th Ti Y Zr

Structural Groups for minerals in this locality:
Aeschynite Allanite Bastnäsite Calcite Clay Columbite Epidote Feldspar Fluorite Mica
Molybdenite Nickeline None Quartz Rocksalt Titanite Zircon

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aeschynite-(Y) ()*	Aeschynite	(Y,Ln,Ca,Th)(Ti,Nb)₂(O,OH)₆	141
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	706
Bastnäsite-(Y) ()*	Bastnäsite	Y(CO₃)F	10
Bornite ()*	None	Cu₅FeS₄	5516
Calcite ()*	Calcite	Ca(CO₃)	27770
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	518
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	414
Fluorite ()*	Fluorite	CaF₂	9617
Galena ()*	Rocksalt	PbS	24243
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Molybdenite ()*	Molybdenite	MoS₂	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Quartz ()*	Quartz	SiO₂	61156
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	353
Thorite ()*	Zircon	Th(SiO₄)	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Zircon ()*	Zircon	Zr(SiO₄)	5251

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...