Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Opal at Marion Co., Oregon, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 7Ma - 2Ma at this locality

Age range from children

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
NAVDAT-7254	7	2				147743	Breitenbush Hot Springs Cinnabar Occurrence, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-16339	6	2				147743	Breitenbush Hot Springs Cinnabar Occurrence, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
NAVDAT-10959	65	1.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-10962	65	1.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-16339	6	2				147743	Breitenbush Hot Springs Cinnabar Occurrence, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-34479	13.2	10.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-34480	13.2	10.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-34481	13.2	10.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-34482	13.2	10.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-34483	13.2	10.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-50854	19	14				153081	Unnamed Stone - Crushed/Broken Quarry (MRDS - 10274401), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-50855	19	14				153081	Unnamed Stone - Crushed/Broken Quarry (MRDS - 10274401), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-5973	14	12				147662	Blue Jay (Part Of The Ruth Group), Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-5978	14	12				150097	Lower Granger And Shilo Occurrence (Part Of The Santiam Group), Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-5979	14	12				66799	Bornite Breccia Pipe (Cedar Creek Breccia Pipe; Stony Ridge), Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-60035	13.2	10.8				150372	Mineral Cut Prospect, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-60113	19	14				153081	Unnamed Stone - Crushed/Broken Quarry (MRDS - 10274401), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-7201	27	21				149365	Halseth-Breitenbush Tuffstone Occurrence (Placer Claim), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-7204	27	21				151388	Russell - Ritter Mine (Humbug), Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-7234	11	10				151388	Russell - Ritter Mine (Humbug), Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-7254	7	2				147743	Breitenbush Hot Springs Cinnabar Occurrence, Santiam District (Elkhorn District), Marion Co., Oregon, USA	NAVDAT	NAVDAT