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:
Avon District (Mica Mountain District), Latah Co., Idaho, USA

Oldest recorded age at locality: 23.8
Youngest recorded age at locality: 5.3

mindat Locality ID: 28072
mindat URL: http://www.mindat.org/loc-28072.html

Tectonic Settings:

Total number of sublocalities beneath "Avon District (Mica Mountain District), Latah Co., Idaho, USA": 20
Total number of bottom-level sublocalities: 19

Number of Child Localities: 19
Child Localities:
Campbell Mine (Thatuna Lease No. 7)
Doerr Mine (Bentz Claim)
Hungry Gut Mine (Avon; Carlson Lease)
Lindquist Prospect (Monroe; Munro Mill; Avon)
Lucky Jim Prospect (J. H. Nesbitt)
Luella Mine (Campbell Lease)
Maxine No. 2 Mine
McCornack Prospect
Morning Star Claims
Muscovite Mine
O'Donnell Opal Occurrence
Olson Mine (Fitzgerald; Carlson Lease; Scott Rogers)
Sand Mountain
Steelsmith Mine (Levi Anderson; Olson-Vennigerholz)
Sunshine Claim (Violet; Atlas)
Troy Sillimanite Company Prospect (Olson)
Unnamed Opal Location (MRDS - 10168705)
Unnamed Pegmatite
Witherow Mine

Latitude: 46°51'36"N
Longitude: 116°38'22"W
Decimal Degree (lat, lon): 46.86,-116.63944444444

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.

Beryl	Clay	Corundum	Garnet	Malachite	Mica	None	Not in a structural group	Olivine	Quartz
Tourmaline	Vivianite

Almandine ()*	Ankerite ()*	Beryl ()*	Graphite ()*	Hematite ()*
Kyanite ()*	Lithiophilite ()*	Malachite ()*	Muscovite ()*	Quartz ()*
Schorl ()*	Sillimanite ()*	Strengite ()*	Vivianite ()*

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 B Be C Ca Cu Fe H K Li Mn Na O P Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl Clay Corundum Garnet Malachite Mica None Not in a structural group Olivine Quartz
Tourmaline Vivianite

14 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
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			4	209103,209107,209111,209112	2353
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	209116	3092
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			9	209098,209102,209103,209104,209106,209107,209109,209111,209112	4286
Graphite ()*	None	C			1	209111	2812
Hematite ()*	Corundum	Fe₂O₃			1	209107	14640
Kyanite ()*	Not in a structural group	Al₂OSiO₄	23.8	5.3	1	209114	1507
Lithiophilite ()*	Olivine	LiMn²⁺(PO₄)			1	209111	155
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	23.8	5.3	1	209114	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			5	209103,209107,209111,209112,209113	17380
Quartz ()*	Quartz	SiO₂			4	209103,209107,209111,209112	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			3	209107,209111,209112	2705
Sillimanite ()*	Not in a structural group	Al₂SiO₅	23.8	5.3	1	209114	1516
Strengite ()*	None	Fe³⁺(PO₄)·2H₂O			1	209116	263
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O			2	209111,209116	636

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
	NAVDAT-47894	23.8	5.3	14.55±9.25					47894						141224	Troy Sillimanite Company Prospect (Olson), Avon District (Mica Mountain District), Latah Co., Idaho, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...