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 Microcline at Carbon Co., Wyoming, USA

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

Direct 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
USGS-Rb-Sr-00597	1789.43	1789.43	Microcline			174387	Unknown Mica Occurrence (MRDS - 10157781), Carbon Co., Wyoming, USA	USGS-Rb-Sr	USGS-Rb-Sr

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
USGS-Rb-Sr-00047	2472.37	2372.37		174008	Union Asbestos & Rubber Company, Carbon Co., Wyoming, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-00049	2472.37	2372.37		171544	Baggot's Rock Occurrence, Carbon Co., Wyoming, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-00063	2419.55	2259.55		173390	Rock Creek Uranium, Carbon Co., Wyoming, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-00591	1646.24	1486.24		173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-00598	1789.43	1789.43	Epidote	174387	Unknown Mica Occurrence (MRDS - 10157781), Carbon Co., Wyoming, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-U-Th-Pb-00059_206_238	28.5	18.5		171938	Dave Section 10 Pit (Dave And T G S), Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00059_207_235	29.5	19.5		171938	Dave Section 10 Pit (Dave And T G S), Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01968_206_238	16.9	16.9		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01968_207_206	1150	1150		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01968_207_235	28.4	28.4		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01969_206_238	6.1	6.1		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01969_207_206	2390	2390		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01969_207_235	20.1	20.1		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01970_206_238	6.1	6.1		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01970_207_206	2220	2220		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01970_207_235	18.3	18.3		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01971_206_238	13.6	13.6		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01971_207_206	650	650		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01971_207_235	18	18		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01972_206_238	9.3	9.3		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01972_207_206	1640	1640		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01972_207_235	20.2	20.2		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01973_206_238	91.6	91.6	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01973_207_206	610	610	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01973_207_235	114	114	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01975_206_238	277	277	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01975_207_206	170	170	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01975_207_235	267	267	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01976_206_238	109	109	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01976_207_206	430	430	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01976_207_235	125	125	Pyrite	171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01977_206_238	23.2	23.2		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01977_207_206	450	450		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01977_207_235	27.7	27.7		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01978_206_238	18.1	18.1		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01978_207_206	560	560		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01978_207_235	22.9	22.9		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01980_206_238	17.5	17.5		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01980_207_206	810	810		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01980_207_235	24.9	24.9		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01982_206_238	88.7	88.7		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01982_207_235	23.2	23.2		171415	Airborne Anomaly No. 1 AEC, Shirley Basin District, Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02024_206_238	1422	1422	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02024_207_206	1624	1624	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02024_207_235	1505	1505	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02025_206_238	1288	1288	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02025_207_206	1619	1619	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02025_207_235	1417	1417	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02026_206_238	1149	1149	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02026_207_206	1614	1614	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02026_207_235	1322	1322	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02027_206_238	1021	1021	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02027_207_206	1612	1612	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02027_207_235	1228	1228	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02028_206_238	945	945	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02028_207_206	1607	1607	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02028_207_235	1167	1167	Zircon	173903	Umslopagus Group (MRDS - 10132554), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02050_206_238	893	893	Zircon	174037	Unknown Barium-Barite Occurrence (MRDS - 10181746), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02050_207_206	1653	1653	Zircon	174037	Unknown Barium-Barite Occurrence (MRDS - 10181746), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02050_207_235	1143	1143	Zircon	174037	Unknown Barium-Barite Occurrence (MRDS - 10181746), Carbon Co., Wyoming, USA	USGS-U-Th-Pb	USGS-U-Th-Pb