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:
Pegmatite Peak, Bearpaw Mts, Hill Co., Montana, USA

mindat Locality ID: 63374
mindat URL: http://www.mindat.org/loc-63374.html

Tectonic Settings:

Total number of sublocalities beneath "Pegmatite Peak, Bearpaw Mts, Hill Co., Montana, 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.

Analcime	Ancylite	Apatite	Bastnäsite	Chevkinite	Clay	Coronadite	Corundum	Crichtonite	Feldspar
Mica	Natrolite	None	Perovskite	Pyroxene	Rutile	Spinel	Titanite	Tridymite	Zircon

Aegirine ()*	Analcime ()*	Ancylite-(Ce) ()*	Annite ()*	Barytolamprophyllite ()*
Bastnäsite-(Ce) ()*	Chevkinite-(Ce) ()*	Crichtonite ()*	Fluorapatite ()*	Gibbsite ()*
Henrymeyerite ()*	Ilmenite ()*	Lamprophyllite ()*	Loparite-(Ce) ()*	Magnetite ()*
Microcline ()*	Muscovite ()*	Natrolite ()*	Nepheline ()*	Phlogopite ()*
Priderite ()*	Pyrophanite ()*	Rutile ()*	Strontiochevkinite ()*	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 Ba C Ca Ce Cr F Fe H K La Mg Mn Na Nb O P Si Sr Th Ti U V Y Zr

Elements from minerals reported directly at this locality: Al Ba C Ca Ce Cr F Fe H K La Mg Mn Na Nb O P Si Sr Th Ti U V Y Zr

Structural Groups for minerals in this locality:
Analcime Ancylite Apatite Bastnäsite Chevkinite Clay Coronadite Corundum Crichtonite Feldspar
Mica Natrolite None Perovskite Pyroxene Rutile Spinel Titanite Tridymite Zircon

27 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1022
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Ancylite-(Ce) ()*	Ancylite	CeSr(CO₃)₂(OH)·H₂O	92
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	356
Barytolamprophyllite ()*	None	(BaK)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂	21
Bastnäsite-(Ce) ()*	Bastnäsite	Ce(CO₃)F	304
Chevkinite-(Ce) ()*	Chevkinite	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂	89
Crichtonite ()*	Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈	27
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2740
Gibbsite ()*	None	Al(OH)₃	504
Henrymeyerite ()*	Coronadite	Ba(Ti₇Fe²⁺)O₁₆	9
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Lamprophyllite ()*	None	(SrNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂	63
Loparite-(Ce) ()*	Perovskite	(Na,Ce,Sr)(Ce,Th)(Ti,Nb)₂O₆	57
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	884
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Priderite ()*	Coronadite	K(Ti₇Fe³⁺)O₁₆	41
Pyrophanite ()*	Corundum	Mn²⁺TiO₃	244
Rutile ()*	Rutile	TiO₂	5614
Strontiochevkinite ()*	Chevkinite	(Sr,Ce,La)₄Fe²⁺(Ti,Zr)₄O₈(Si₂O₇)₂	3
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.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...