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:
Orofino District, Clearwater Co., Idaho, USA

Oldest recorded age at locality: 208
Youngest recorded age at locality: 5.3

mindat Locality ID: 247247
mindat URL: http://www.mindat.org/loc-247247.html

Tectonic Settings:

Total number of sublocalities beneath "Orofino District, Clearwater Co., Idaho, USA": 21
Total number of bottom-level sublocalities: 20

Number of Child Localities: 17
Child Localities:
Big Creek Limestone Occurrence
Clearwater Lime Products Company Quarry (Orofino Prospect)
Dewey
Dicks Creek Placer (Star; West Star)
Dworshak Dam Stone
Gaffney Placer (MRDS - 10240805)
Lewiston Limestone Quarry
Mica Schist Occurrence (North Fork Kyanite Occurrence)
North Fork Clearwater River (MRDS - 10119669)
North Fork Galena Occurrence
North Fork Kyanite Occurrence
Olson Asbestos
Orofino
Orofino Creek Anthophyllite Occurrence
Pit No. 1
Sewell Lime Company Quarry (Lime Mountain)
Teakean Asbestos Prospect

Latitude: 46°31'19"N
Longitude: 116°15'42"W
Decimal Degree (lat, lon): 46.521944444444,-116.26166666667

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.

Amphibole	Apatite	Calcite	Clay	Copper	Corundum	Epidote	Feldspar	Garnet	Mica
None	Not in a structural group	Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Spinel	Staurolite	Talc
Titanite

Albite ()*	Almandine ()*	Anthophyllite ()*	Barroisite ()*	Calcite ()*
Diopside ()*	Dolomite ()*	Enstatite ()*	Fluorapatite ()*	Galena ()*
Gedrite ()*	Gold ()*	Hematite ()*	Ilmenite ()*	Kyanite ()*
Magnetite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Rutile ()*
Sillimanite ()*	Staurolite ()*	Talc ()*	Titanite ()*	Tremolite ()*
Zoisite ()*

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 Au C Ca F Fe H K Mg Na O P Pb S Si Ti

Elements from minerals reported directly at this locality: Al Ca H Mg Na O Si

Structural Groups for minerals in this locality:
Amphibole Apatite Calcite Clay Copper Corundum Epidote Feldspar Garnet Mica
None Not in a structural group Pyrite Pyroxene Quartz Rocksalt Rutile Spinel Staurolite Talc
Titanite

26 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
Albite ()*	Feldspar	Na(AlSi₃O₈)			2	206596,206603	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	206603	2353
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			1	206606	718
Barroisite ()*	Amphibole	(NaCa)(Mg₃Al₂)(Si₇Al)O₂₂(OH)₂	208	5.3	0		49
Calcite ()*	Calcite	Ca(CO₃)			1	206595	27770
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	206603	4135
Dolomite ()*	None	CaMg(CO₃)₂			1	206605	9895
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	206606	944
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	206603	2740
Galena ()*	Rocksalt	PbS			1	206595	24243
Gedrite ()*	Amphibole	Mg₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂			1	206603	178
Gold ()*	Copper	Au	23.8	5.3	1	206589	30554
Hematite ()*	Corundum	Fe₂O₃			1	206596	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	206603	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄			2	206596,206603	1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			2	206596,206603	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	206603	17380
Pyrite ()*	Pyrite	FeS₂			1	206595	39462
Quartz ()*	Quartz	SiO₂			1	206603	61156
Rutile ()*	Rutile	TiO₂			2	206596,206603	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅			2	206596,206603	1516
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			1	206603	978
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	206606	3337
Titanite ()*	Titanite	CaTi(SiO₄)O			2	206596,206603	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			1	206606	2562
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	206603	1025

8 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-48080	23.8	5.3	14.55±9.25	48080	136983	Dicks Creek Placer (Star; West Star), Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-49738	208	100	154±54	49738	137082	Dworshak Dam Stone, Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-51179	208	100	154±54	51179	137082	Dworshak Dam Stone, Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-47963	23.8	5.3	14.55±9.25	47963	138580	Lewiston Limestone Quarry, Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-49739	208	100	154±54	49739	139546	Olson Asbestos, Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-51189	208	100	154±54	51189	139546	Olson Asbestos, Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-49727	208	100	154±54	49727	139848	Pit No. 1, Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-51447	180	65	122+58/-57	51447	139848	Pit No. 1, Orofino District, Clearwater Co., Idaho, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...